diff --git a/sycl/include/sycl/context.hpp b/sycl/include/sycl/context.hpp
index 89b054a2193d3..2b874cbfca9d4 100644
--- a/sycl/include/sycl/context.hpp
+++ b/sycl/include/sycl/context.hpp
@@ -215,13 +215,6 @@ class __SYCL_EXPORT context : public detail::OwnerLessBase<context> {
   cl_context get() const;
 #endif
 
-  /// Checks if this context is a SYCL host context.
-  ///
-  /// \return true if this context is a SYCL host context.
-  __SYCL2020_DEPRECATED(
-      "is_host() is deprecated as the host device is no longer supported.")
-  bool is_host() const;
-
   /// Returns the backend associated with this context.
   ///
   /// \return the backend associated with this context.
diff --git a/sycl/include/sycl/detail/image_accessor_util.hpp b/sycl/include/sycl/detail/image_accessor_util.hpp
index 1de4e5808a7da..03b3ce762b87b 100644
--- a/sycl/include/sycl/detail/image_accessor_util.hpp
+++ b/sycl/include/sycl/detail/image_accessor_util.hpp
@@ -5,8 +5,8 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-// This file includes some utilities that are used by image accessors on host
-// device
+// This file includes some utilities that are used by image accessors in host
+// code
 //
 
 #pragma once
@@ -685,7 +685,7 @@ convertWriteData(const half4 WriteData,
 }
 
 // imageWriteHostImpl method is called by the write API in image accessors for
-// host device. Steps:
+// host code. Steps:
 // 1. Calculates the offset from the base ptr of the image where the pixel
 // denoted by Coord is located.(getImageOffset method.)
 // 2. Converts the ptr to the appropriate datatype based on
diff --git a/sycl/include/sycl/device.hpp b/sycl/include/sycl/device.hpp
index da5686a0818d2..80bf15bd10583 100644
--- a/sycl/include/sycl/device.hpp
+++ b/sycl/include/sycl/device.hpp
@@ -119,13 +119,6 @@ class __SYCL_EXPORT device : public detail::OwnerLessBase<device> {
   cl_device_id get() const;
 #endif
 
-  /// Check if device is a host device
-  ///
-  /// \return true if SYCL device is a host device
-  __SYCL2020_DEPRECATED(
-      "is_host() is deprecated as the host device is no longer supported.")
-  bool is_host() const;
-
   /// Check if device is a CPU device
   ///
   /// \return true if SYCL device is a CPU device
@@ -145,8 +138,7 @@ class __SYCL_EXPORT device : public detail::OwnerLessBase<device> {
   ///
   /// If this SYCL device is an OpenCL device then the SYCL platform
   /// must encapsulate the OpenCL cl_plaform_id associated with the
-  /// underlying OpenCL cl_device_id of this SYCL device. If this SYCL device
-  /// is a host device then the SYCL platform must be a host platform.
+  /// underlying OpenCL cl_device_id of this SYCL device.
   /// The value returned must be equal to that returned by
   /// get_info<info::device::platform>().
   ///
@@ -240,9 +232,6 @@ class __SYCL_EXPORT device : public detail::OwnerLessBase<device> {
 
   /// Query available SYCL devices
   ///
-  /// The returned std::vector must contain a single SYCL device
-  /// that is a host device, permitted by the deviceType parameter
-  ///
   /// \param deviceType is one of the values described in A.3 of SYCL Spec
   /// \return a std::vector containing all SYCL devices available in the system
   /// of the device type specified
diff --git a/sycl/include/sycl/device_selector.hpp b/sycl/include/sycl/device_selector.hpp
index 49cb513b4a4fa..911a8e321b6d3 100644
--- a/sycl/include/sycl/device_selector.hpp
+++ b/sycl/include/sycl/device_selector.hpp
@@ -94,18 +94,6 @@ __SYCL2020_DEPRECATED("Use the callable sycl::accelerator_selector_v instead.")
   int operator()(const device &dev) const override;
 };
 
-/// Selects SYCL host device.
-///
-/// \sa device
-///
-/// \ingroup sycl_api_dev_sel
-class __SYCL_EXPORT
-__SYCL2020_DEPRECATED("Host device is no longer supported.") host_selector
-    : public device_selector {
-public:
-  int operator()(const device &dev) const override;
-};
-
 // -------------- SYCL 2020
 
 // SYCL 2020 standalone selectors
diff --git a/sycl/include/sycl/event.hpp b/sycl/include/sycl/event.hpp
index 8e966b5e3302e..c4ed0c045aa9e 100644
--- a/sycl/include/sycl/event.hpp
+++ b/sycl/include/sycl/event.hpp
@@ -70,13 +70,6 @@ class __SYCL_EXPORT event : public detail::OwnerLessBase<event> {
 
   bool operator!=(const event &rhs) const;
 
-  /// Checks if this event is a SYCL host event.
-  ///
-  /// \return true if this event is a SYCL host event.
-  __SYCL2020_DEPRECATED(
-      "is_host() is deprecated as the host device is no longer supported.")
-  bool is_host() const;
-
   /// Return the list of events that this event waits for.
   ///
   /// Only direct dependencies are returned. Already completed events are not
diff --git a/sycl/include/sycl/group_barrier.hpp b/sycl/include/sycl/group_barrier.hpp
index 1f34d5603889b..8e400993d611d 100644
--- a/sycl/include/sycl/group_barrier.hpp
+++ b/sycl/include/sycl/group_barrier.hpp
@@ -31,7 +31,7 @@ group_barrier(Group G, memory_scope FenceScope = Group::fence_scope) {
   (void)G;
   (void)FenceScope;
   throw sycl::exception(make_error_code(errc::feature_not_supported),
-                        "Barriers are not supported on host device");
+                        "Barriers are not supported on host");
 #endif
 }
 
diff --git a/sycl/include/sycl/handler.hpp b/sycl/include/sycl/handler.hpp
index b43d3dcd78e5a..7f5a1153f4fd0 100644
--- a/sycl/include/sycl/handler.hpp
+++ b/sycl/include/sycl/handler.hpp
@@ -465,32 +465,9 @@ class __SYCL_EXPORT handler {
   /// Constructs SYCL handler from queue.
   ///
   /// \param Queue is a SYCL queue.
-  /// \param IsHost indicates if this handler is created for SYCL host device.
-  /// TODO: Unused. Remove with ABI break.
-  handler(std::shared_ptr<detail::queue_impl> Queue, bool /*Unused*/);
-
-  /// Constructs SYCL handler from the associated queue and the submission's
-  /// primary and secondary queue.
-  ///
-  /// \param Queue is a SYCL queue. This is equal to either PrimaryQueue or
-  ///        SecondaryQueue.
-  /// \param PrimaryQueue is the primary SYCL queue of the submission.
-  /// \param SecondaryQueue is the secondary SYCL queue of the submission. This
-  ///        is null if no secondary queue is associated with the submission.
-  /// TODO: Unused. Remove with ABI break.
-  handler(std::shared_ptr<detail::queue_impl> Queue,
-          std::shared_ptr<detail::queue_impl> PrimaryQueue,
-          std::shared_ptr<detail::queue_impl> SecondaryQueue,
-          bool /* Unused */);
-
-  /// Constructs SYCL handler from queue.
-  ///
-  /// \param Queue is a SYCL queue.
-  /// \param IsHost indicates if this handler is created for SYCL host device.
   /// \param CallerNeedsEvent indicates if the event resulting from this handler
   ///        is needed by the caller.
-  handler(std::shared_ptr<detail::queue_impl> Queue,
-          bool /* ABI break: remove */, bool CallerNeedsEvent);
+  handler(std::shared_ptr<detail::queue_impl> Queue, bool CallerNeedsEvent);
 
   /// Constructs SYCL handler from the associated queue and the submission's
   /// primary and secondary queue.
@@ -500,13 +477,12 @@ class __SYCL_EXPORT handler {
   /// \param PrimaryQueue is the primary SYCL queue of the submission.
   /// \param SecondaryQueue is the secondary SYCL queue of the submission. This
   ///        is null if no secondary queue is associated with the submission.
-  /// \param IsHost indicates if this handler is created for SYCL host device.
   /// \param CallerNeedsEvent indicates if the event resulting from this handler
   ///        is needed by the caller.
   handler(std::shared_ptr<detail::queue_impl> Queue,
           std::shared_ptr<detail::queue_impl> PrimaryQueue,
           std::shared_ptr<detail::queue_impl> SecondaryQueue,
-          bool /* ABI break: remove */, bool CallerNeedsEvent);
+          bool CallerNeedsEvent);
 
   /// Constructs SYCL handler from Graph.
   ///
@@ -652,9 +628,6 @@ class __SYCL_EXPORT handler {
 
   ~handler() = default;
 
-  // TODO: Private and unusued. Remove when ABI break is allowed.
-  bool is_host() { return false; }
-
 #ifdef __SYCL_DEVICE_ONLY__
   // In device compilation accessor isn't inherited from host base classes, so
   // can't detect by it. Since we don't expect it to be ever called in device
@@ -784,12 +757,6 @@ class __SYCL_EXPORT handler {
           &DynamicParamBase,
       int ArgIndex);
 
-  // TODO: Unusued. Remove when ABI break is allowed.
-  void verifyKernelInvoc(const kernel &Kernel) {
-    std::ignore = Kernel;
-    return;
-  }
-
   /* The kernel passed to StoreLambda can take an id, an item or an nd_item as
    * its argument. Since esimd plugin directly invokes the kernel (doesn’t use
    * piKernelSetArg), the kernel argument type must be known to the plugin.
@@ -1110,7 +1077,6 @@ class __SYCL_EXPORT handler {
   ///
   /// \param Src is a source SYCL accessor.
   /// \param Dst is a destination SYCL accessor.
-  // ABI break: to remove whole method
   template <typename TSrc, int DimSrc, access::mode ModeSrc,
             access::target TargetSrc, typename TDst, int DimDst,
             access::mode ModeDst, access::target TargetDst,
@@ -1121,81 +1087,6 @@ class __SYCL_EXPORT handler {
     return false;
   }
 
-#ifndef __SYCL_DEVICE_ONLY__
-  // ABI break: to remove whole method
-  /// Copies the content of memory object accessed by Src into the memory
-  /// pointed by Dst.
-  ///
-  /// \param Src is a source SYCL accessor.
-  /// \param Dst is a pointer to destination memory.
-  template <typename TSrc, typename TDst, int Dim, access::mode AccMode,
-            access::target AccTarget, access::placeholder IsPH>
-  std::enable_if_t<(Dim > 0)>
-  copyAccToPtrHost(accessor<TSrc, Dim, AccMode, AccTarget, IsPH> Src,
-                   TDst *Dst) {
-    range<Dim> Range = Src.get_range();
-    parallel_for<__copyAcc2Ptr<TSrc, TDst, Dim, AccMode, AccTarget, IsPH>>(
-        Range, [=](id<Dim> Index) {
-          const size_t LinearIndex = detail::getLinearIndex(Index, Range);
-          using TSrcNonConst = typename std::remove_const_t<TSrc>;
-          (reinterpret_cast<TSrcNonConst *>(Dst))[LinearIndex] = Src[Index];
-        });
-  }
-
-  // ABI break: to remove whole method
-  /// Copies 1 element accessed by 0-dimensional accessor Src into the memory
-  /// pointed by Dst.
-  ///
-  /// \param Src is a source SYCL accessor.
-  /// \param Dst is a pointer to destination memory.
-  template <typename TSrc, typename TDst, int Dim, access::mode AccMode,
-            access::target AccTarget, access::placeholder IsPH>
-  std::enable_if_t<Dim == 0>
-  copyAccToPtrHost(accessor<TSrc, Dim, AccMode, AccTarget, IsPH> Src,
-                   TDst *Dst) {
-    single_task<__copyAcc2Ptr<TSrc, TDst, Dim, AccMode, AccTarget, IsPH>>(
-        [=]() {
-          using TSrcNonConst = typename std::remove_const_t<TSrc>;
-          *(reinterpret_cast<TSrcNonConst *>(Dst)) = *(Src.get_pointer());
-        });
-  }
-
-  // ABI break: to remove whole method
-  /// Copies the memory pointed by Src into the memory accessed by Dst.
-  ///
-  /// \param Src is a pointer to source memory.
-  /// \param Dst is a destination SYCL accessor.
-  template <typename TSrc, typename TDst, int Dim, access::mode AccMode,
-            access::target AccTarget, access::placeholder IsPH>
-  std::enable_if_t<(Dim > 0)>
-  copyPtrToAccHost(TSrc *Src,
-                   accessor<TDst, Dim, AccMode, AccTarget, IsPH> Dst) {
-    range<Dim> Range = Dst.get_range();
-    parallel_for<__copyPtr2Acc<TSrc, TDst, Dim, AccMode, AccTarget, IsPH>>(
-        Range, [=](id<Dim> Index) {
-          const size_t LinearIndex = detail::getLinearIndex(Index, Range);
-          Dst[Index] = (reinterpret_cast<const TDst *>(Src))[LinearIndex];
-        });
-  }
-
-  // ABI break: to remove whole method
-  /// Copies 1 element pointed by Src to memory accessed by 0-dimensional
-  /// accessor Dst.
-  ///
-  /// \param Src is a pointer to source memory.
-  /// \param Dst is a destination SYCL accessor.
-  template <typename TSrc, typename TDst, int Dim, access::mode AccMode,
-            access::target AccTarget, access::placeholder IsPH>
-  std::enable_if_t<Dim == 0>
-  copyPtrToAccHost(TSrc *Src,
-                   accessor<TDst, Dim, AccMode, AccTarget, IsPH> Dst) {
-    single_task<__copyPtr2Acc<TSrc, TDst, Dim, AccMode, AccTarget, IsPH>>(
-        [=]() {
-          *(Dst.get_pointer()) = *(reinterpret_cast<const TDst *>(Src));
-        });
-  }
-#endif // __SYCL_DEVICE_ONLY__
-
   constexpr static bool isConstOrGlobal(access::target AccessTarget) {
     return AccessTarget == access::target::device ||
            AccessTarget == access::target::constant_buffer;
@@ -3426,8 +3317,6 @@ class __SYCL_EXPORT handler {
   /// Storage for the CG created when handling graph nodes added explicitly.
   std::unique_ptr<detail::CG> MGraphNodeCG;
 
-  bool MIsHost = false; // ABI break: to remove
-
   detail::code_location MCodeLoc = {};
   bool MIsFinalized = false;
   event MLastEvent;
diff --git a/sycl/include/sycl/kernel.hpp b/sycl/include/sycl/kernel.hpp
index a4afbb2040bce..dec5e9547a7ae 100644
--- a/sycl/include/sycl/kernel.hpp
+++ b/sycl/include/sycl/kernel.hpp
@@ -101,21 +101,13 @@ class __SYCL_EXPORT kernel : public detail::OwnerLessBase<kernel> {
   /// Get a valid OpenCL kernel handle
   ///
   /// If this kernel encapsulates an instance of OpenCL kernel, a valid
-  /// cl_kernel will be returned. If this kernel is a host kernel,
-  /// an invalid_object_error exception will be thrown.
+  /// cl_kernel will be returned.
   ///
   /// \return a valid cl_kernel instance
 #ifdef __SYCL_INTERNAL_API
   cl_kernel get() const;
 #endif
 
-  /// Check if the associated SYCL context is a SYCL host context.
-  ///
-  /// \return true if this SYCL kernel is a host kernel.
-  __SYCL2020_DEPRECATED(
-      "is_host() is deprecated as the host device is no longer supported.")
-  bool is_host() const;
-
   /// Get the context that this kernel is defined for.
   ///
   /// The value returned must be equal to that returned by
diff --git a/sycl/include/sycl/kernel_handler.hpp b/sycl/include/sycl/kernel_handler.hpp
index 50504fe5ae2cf..deb8308b2c8f5 100644
--- a/sycl/include/sycl/kernel_handler.hpp
+++ b/sycl/include/sycl/kernel_handler.hpp
@@ -49,11 +49,9 @@ class __SYCL_TYPE(kernel_handler) kernel_handler {
 #ifdef __SYCL_DEVICE_ONLY__
     return getSpecializationConstantOnDevice<S>();
 #else
-    // TODO: add support of host device
-    throw sycl::feature_not_supported(
-        "kernel_handler::get_specialization_constant() is not yet supported by "
-        "host device.",
-        PI_ERROR_INVALID_OPERATION);
+    throw sycl::feature_not_supported("kernel_handler::get_specialization_"
+                                      "constant() is not supported on host",
+                                      PI_ERROR_INVALID_OPERATION);
 #endif // __SYCL_DEVICE_ONLY__
   }
 
diff --git a/sycl/include/sycl/platform.hpp b/sycl/include/sycl/platform.hpp
index 6c8db5d4623c4..7d174f18a291d 100644
--- a/sycl/include/sycl/platform.hpp
+++ b/sycl/include/sycl/platform.hpp
@@ -159,13 +159,6 @@ class __SYCL_EXPORT platform : public detail::OwnerLessBase<platform> {
       "use platform::has() function with aspects APIs instead")
   bool has_extension(const std::string &ExtensionName) const;
 
-  /// Checks if this SYCL platform is a host platform.
-  ///
-  /// \return true if this SYCL platform is a host platform.
-  __SYCL2020_DEPRECATED(
-      "is_host() is deprecated as the host device is no longer supported.")
-  bool is_host() const;
-
   /// Returns all SYCL devices associated with this platform.
   ///
   /// If this SYCL platform is a host platform, resulting vector contains only
diff --git a/sycl/include/sycl/queue.hpp b/sycl/include/sycl/queue.hpp
index 04b6969fe2b12..fbcf563ddfaa1 100644
--- a/sycl/include/sycl/queue.hpp
+++ b/sycl/include/sycl/queue.hpp
@@ -318,11 +318,6 @@ class __SYCL_EXPORT queue : public detail::OwnerLessBase<queue> {
       ext::oneapi::experimental::graph_state::modifiable>
   ext_oneapi_get_graph() const;
 
-  /// \return true if this queue is a SYCL host queue.
-  __SYCL2020_DEPRECATED(
-      "is_host() is deprecated as the host device is no longer supported.")
-  bool is_host() const;
-
   /// Queries SYCL queue for information.
   ///
   /// The return type depends on information being queried.
diff --git a/sycl/include/sycl/reduction.hpp b/sycl/include/sycl/reduction.hpp
index 3e9fca6dd91fc..3e969837759b8 100644
--- a/sycl/include/sycl/reduction.hpp
+++ b/sycl/include/sycl/reduction.hpp
@@ -1178,7 +1178,7 @@ namespace reduction {
 inline void finalizeHandler(handler &CGH) { CGH.finalize(); }
 template <class FunctorTy> void withAuxHandler(handler &CGH, FunctorTy Func) {
   event E = CGH.finalize();
-  handler AuxHandler(CGH.MQueue, CGH.MIsHost, CGH.eventNeeded());
+  handler AuxHandler(CGH.MQueue, CGH.eventNeeded());
   if (!createSyclObjFromImpl<queue>(CGH.MQueue).is_in_order())
     AuxHandler.depends_on(E);
   AuxHandler.saveCodeLoc(CGH.MCodeLoc);
diff --git a/sycl/include/sycl/stream.hpp b/sycl/include/sycl/stream.hpp
index c9083184fbb06..00236a0fdd816 100644
--- a/sycl/include/sycl/stream.hpp
+++ b/sycl/include/sycl/stream.hpp
@@ -1042,8 +1042,6 @@ class __SYCL_EXPORT __SYCL_SPECIAL_CLASS __SYCL_TYPE(stream) stream
     WIOffset = GlobalOffset[1].fetch_add(FlushBufferSize);
 
     // Initialize flush subbuffer's offset for each work item on device.
-    // Initialization on host device is performed via submition of additional
-    // host task.
     SetFlushBufOffset(GlobalFlushBuf, WIOffset, 0);
   }
 
@@ -1052,9 +1050,6 @@ class __SYCL_EXPORT __SYCL_SPECIAL_CLASS __SYCL_TYPE(stream) stream
     // necessary if user hasn't yet flushed data on its own and kernel execution
     // is finished
     // NOTE: A call to this function will be generated by compiler
-    // NOTE: In the current implementation user should explicitly flush data on
-    // the host device. Data is not flushed automatically after kernel execution
-    // because of the missing feature in scheduler.
     flushBuffer(GlobalOffset, GlobalBuf, GlobalFlushBuf, WIOffset);
   }
 #endif
diff --git a/sycl/source/context.cpp b/sycl/source/context.cpp
index e4c7404c7b078..78f26a427834c 100644
--- a/sycl/source/context.cpp
+++ b/sycl/source/context.cpp
@@ -126,11 +126,6 @@ context::get_backend_info() const {
 
 cl_context context::get() const { return impl->get(); }
 
-bool context::is_host() const {
-  assert(false && "context::is_host should not be called in implementation.");
-  return false;
-}
-
 backend context::get_backend() const noexcept { return impl->getBackend(); }
 
 platform context::get_platform() const {
diff --git a/sycl/source/detail/platform_impl.cpp b/sycl/source/detail/platform_impl.cpp
index 2b4dbf8c92fd2..1b085ed7bcaee 100644
--- a/sycl/source/detail/platform_impl.cpp
+++ b/sycl/source/detail/platform_impl.cpp
@@ -456,9 +456,6 @@ platform_impl::get_devices(info::device_type DeviceType) const {
   std::vector<device> Res;
 
   ods_target_list *OdsTargetList = SYCLConfig<ONEAPI_DEVICE_SELECTOR>::get();
-
-  // If any DeviceType other than host was requested for host platform,
-  // an empty vector will be returned.
   if (DeviceType == info::device_type::host)
     return Res;
 
diff --git a/sycl/source/detail/queue_impl.cpp b/sycl/source/detail/queue_impl.cpp
index 588254743701f..066bc83fb2427 100644
--- a/sycl/source/detail/queue_impl.cpp
+++ b/sycl/source/detail/queue_impl.cpp
@@ -354,7 +354,7 @@ event queue_impl::submit_impl(const std::function<void(handler &)> &CGF,
                               bool CallerNeedsEvent,
                               const detail::code_location &Loc,
                               const SubmitPostProcessF *PostProcess) {
-  handler Handler(Self, PrimaryQueue, SecondaryQueue, false, CallerNeedsEvent);
+  handler Handler(Self, PrimaryQueue, SecondaryQueue, CallerNeedsEvent);
   Handler.saveCodeLoc(Loc);
 
   {
diff --git a/sycl/source/detail/stream_impl.cpp b/sycl/source/detail/stream_impl.cpp
index f74599a4353b9..d0094c025c844 100644
--- a/sycl/source/detail/stream_impl.cpp
+++ b/sycl/source/detail/stream_impl.cpp
@@ -97,12 +97,6 @@ void stream_impl::generateFlushCommand(handler &cgh) {
   });
 }
 
-// ABI break: remove
-void stream_impl::initStreamHost(QueueImplPtr) {}
-
-// ABI break: remove
-void stream_impl::flush(const EventImplPtr &) {}
-
 } // namespace detail
 } // namespace _V1
 } // namespace sycl
diff --git a/sycl/source/detail/stream_impl.hpp b/sycl/source/detail/stream_impl.hpp
index 59b4c77e057c3..efe78bc452b8f 100644
--- a/sycl/source/detail/stream_impl.hpp
+++ b/sycl/source/detail/stream_impl.hpp
@@ -37,12 +37,6 @@ class stream_impl {
   // buffer and offset in the flush buffer
   GlobalOffsetAccessorT accessGlobalOffset(handler &CGH);
 
-  // ABI break: remove
-  void initStreamHost(QueueImplPtr);
-
-  // ABI break: remove
-  void flush(const EventImplPtr &);
-
   size_t size() const noexcept;
 
   size_t get_work_item_buffer_size() const;
diff --git a/sycl/source/device.cpp b/sycl/source/device.cpp
index 423ff7be44121..a06e3a534ebc3 100644
--- a/sycl/source/device.cpp
+++ b/sycl/source/device.cpp
@@ -70,11 +70,6 @@ std::vector<device> device::get_devices(info::device_type deviceType) {
 
 cl_device_id device::get() const { return impl->get(); }
 
-bool device::is_host() const {
-  assert(false && "device::is_host should not be called in implementation.");
-  return false;
-}
-
 bool device::is_cpu() const { return impl->is_cpu(); }
 
 bool device::is_gpu() const { return impl->is_gpu(); }
diff --git a/sycl/source/device_selector.cpp b/sycl/source/device_selector.cpp
index e857dfdf539a4..c69910edc2841 100644
--- a/sycl/source/device_selector.cpp
+++ b/sycl/source/device_selector.cpp
@@ -232,14 +232,6 @@ __SYCL_EXPORT int accelerator_selector_v(const device &dev) {
   return Score;
 }
 
-int host_selector::operator()(const device &dev) const {
-  // Host device has been removed and host_selector has been deprecated, so this
-  // should never be able to select a device.
-  std::ignore = dev;
-  traceDeviceSelector("info::device_type::host");
-  return detail::REJECT_DEVICE_SCORE;
-}
-
 __SYCL_EXPORT detail::DSelectorInvocableType
 aspect_selector(const std::vector<aspect> &RequireList,
                 const std::vector<aspect> &DenyList /* ={} */) {
diff --git a/sycl/source/event.cpp b/sycl/source/event.cpp
index 69d62f354ea4c..65d163df465df 100644
--- a/sycl/source/event.cpp
+++ b/sycl/source/event.cpp
@@ -37,11 +37,6 @@ bool event::operator==(const event &rhs) const { return rhs.impl == impl; }
 
 bool event::operator!=(const event &rhs) const { return !(*this == rhs); }
 
-bool event::is_host() const {
-  assert(false && "event::is_host should not be called in implementation.");
-  return false;
-}
-
 void event::wait() { impl->wait(impl); }
 
 void event::wait(const std::vector<event> &EventList) {
diff --git a/sycl/source/handler.cpp b/sycl/source/handler.cpp
index aee154fa19dbd..14aec10e67313 100644
--- a/sycl/source/handler.cpp
+++ b/sycl/source/handler.cpp
@@ -80,29 +80,18 @@ void *getValueFromDynamicParameter(
 
 } // namespace detail
 
-/// TODO: Unused. Remove with ABI break.
-handler::handler(std::shared_ptr<detail::queue_impl> Queue, bool)
-    : handler(Queue, false, /*CallerNeedsEvent=*/true) {}
-
-/// TODO: Unused. Remove with ABI break.
 handler::handler(std::shared_ptr<detail::queue_impl> Queue,
-                 std::shared_ptr<detail::queue_impl> PrimaryQueue,
-                 std::shared_ptr<detail::queue_impl> SecondaryQueue, bool)
-    : handler(Queue, PrimaryQueue, SecondaryQueue, false,
-              /*CallerNeedsEvent=*/true) {}
-
-handler::handler(std::shared_ptr<detail::queue_impl> Queue, bool,
                  bool CallerNeedsEvent)
-    : handler(Queue, Queue, nullptr, false, CallerNeedsEvent) {}
+    : handler(Queue, Queue, nullptr, CallerNeedsEvent) {}
 
 handler::handler(std::shared_ptr<detail::queue_impl> Queue,
                  std::shared_ptr<detail::queue_impl> PrimaryQueue,
-                 std::shared_ptr<detail::queue_impl> SecondaryQueue, bool,
+                 std::shared_ptr<detail::queue_impl> SecondaryQueue,
                  bool CallerNeedsEvent)
     : MImpl(std::make_shared<detail::handler_impl>(std::move(PrimaryQueue),
                                                    std::move(SecondaryQueue),
                                                    CallerNeedsEvent)),
-      MQueue(std::move(Queue)), MIsHost(false) {}
+      MQueue(std::move(Queue)) {}
 
 handler::handler(
     std::shared_ptr<ext::oneapi::experimental::detail::graph_impl> Graph)
diff --git a/sycl/source/kernel.cpp b/sycl/source/kernel.cpp
index 625eb995c47d3..4461d26281150 100644
--- a/sycl/source/kernel.cpp
+++ b/sycl/source/kernel.cpp
@@ -30,11 +30,6 @@ kernel::kernel(cl_kernel ClKernel, const context &SyclContext)
 
 cl_kernel kernel::get() const { return impl->get(); }
 
-bool kernel::is_host() const {
-  assert(false && "kernel::is_host should not be called in implementation.");
-  return false;
-}
-
 context kernel::get_context() const {
   return impl->get_info<info::kernel::context>();
 }
diff --git a/sycl/source/platform.cpp b/sycl/source/platform.cpp
index 179c8c09d0825..1b717c6093abc 100644
--- a/sycl/source/platform.cpp
+++ b/sycl/source/platform.cpp
@@ -40,11 +40,6 @@ bool platform::has_extension(const std::string &ExtensionName) const {
   return impl->has_extension(ExtensionName);
 }
 
-bool platform::is_host() const {
-  assert(false && "platform::is_host should not be called in implementation.");
-  return false;
-}
-
 std::vector<device> platform::get_devices(info::device_type DeviceType) const {
   return impl->get_devices(DeviceType);
 }
diff --git a/sycl/source/queue.cpp b/sycl/source/queue.cpp
index 9977b526349b3..d7201ae64c7ef 100644
--- a/sycl/source/queue.cpp
+++ b/sycl/source/queue.cpp
@@ -95,11 +95,6 @@ queue::ext_oneapi_get_graph() const {
           ext::oneapi::experimental::graph_state::modifiable>>(Graph);
 }
 
-bool queue::is_host() const {
-  assert(false && "queue::is_host should not be called in implementation.");
-  return false;
-}
-
 void queue::throw_asynchronous() { impl->throw_asynchronous(); }
 
 event queue::memset(void *Ptr, int Value, size_t Count,
diff --git a/sycl/test/abi/layout_handler.cpp b/sycl/test/abi/layout_handler.cpp
index 7fa91db1db58d..710f6c4991782 100644
--- a/sycl/test/abi/layout_handler.cpp
+++ b/sycl/test/abi/layout_handler.cpp
@@ -171,20 +171,19 @@ void foo() {
 // CHECK-NEXT: 520 |             struct std::_Tuple_impl<1, struct std::default_delete<class sycl::detail::CG> > (base) (empty)
 // CHECK:      520 |             struct std::_Head_base<0, class sycl::detail::CG *> (base)
 // CHECK-NEXT: 520 |               class sycl::detail::CG * _M_head_impl
-// CHECK-NEXT: 528 |   _Bool MIsHost
-// CHECK-NEXT: 536 |   struct sycl::detail::code_location MCodeLoc
-// CHECK-NEXT: 536 |     const char * MFileName
-// CHECK-NEXT: 544 |     const char * MFunctionName
-// CHECK-NEXT: 552 |     unsigned long MLineNo
-// CHECK-NEXT: 560 |     unsigned long MColumnNo
-// CHECK-NEXT: 568 |   _Bool MIsFinalized
-// CHECK-NEXT: 576 |   class sycl::event MLastEvent
-// CHECK-NEXT: 576 |     class sycl::detail::OwnerLessBase<class sycl::event> (base) (empty)
-// CHECK-NEXT: 576 |     class std::shared_ptr<class sycl::detail::event_impl> impl
-// CHECK-NEXT: 576 |       class std::__shared_ptr<class sycl::detail::event_impl> (base)
-// CHECK-NEXT: 576 |         class std::__shared_ptr_access<class sycl::detail::event_impl, __gnu_cxx::_S_atomic> (base) (empty)
-// CHECK-NEXT: 576 |         element_type * _M_ptr
-// CHECK-NEXT: 584 |         class std::__shared_count<> _M_refcount
-// CHECK-NEXT: 584 |           _Sp_counted_base<(_Lock_policy)2U> * _M_pi
-// CHECK-NEXT:     | [sizeof=592, dsize=592, align=8,
-// CHECK-NEXT:     |  nvsize=592, nvalign=8]
+// CHECK-NEXT: 528 |   struct sycl::detail::code_location MCodeLoc
+// CHECK-NEXT: 528 |     const char * MFileName
+// CHECK-NEXT: 536 |     const char * MFunctionName
+// CHECK-NEXT: 544 |     unsigned long MLineNo
+// CHECK-NEXT: 552 |     unsigned long MColumnNo
+// CHECK-NEXT: 560 |   _Bool MIsFinalized
+// CHECK-NEXT: 568 |   class sycl::event MLastEvent
+// CHECK-NEXT: 568 |     class sycl::detail::OwnerLessBase<class sycl::event> (base) (empty)
+// CHECK-NEXT: 568 |     class std::shared_ptr<class sycl::detail::event_impl> impl
+// CHECK-NEXT: 568 |       class std::__shared_ptr<class sycl::detail::event_impl> (base)
+// CHECK-NEXT: 568 |         class std::__shared_ptr_access<class sycl::detail::event_impl, __gnu_cxx::_S_atomic> (base) (empty)
+// CHECK-NEXT: 568 |         element_type * _M_ptr
+// CHECK-NEXT: 576 |         class std::__shared_count<> _M_refcount
+// CHECK-NEXT: 576 |           _Sp_counted_base<(_Lock_policy)2U> * _M_pi
+// CHECK-NEXT:     | [sizeof=584, dsize=584, align=8,
+// CHECK-NEXT:     |  nvsize=584, nvalign=8]
diff --git a/sycl/test/abi/sycl_symbols_linux.dump b/sycl/test/abi/sycl_symbols_linux.dump
index 997c0d8df57c2..029bbea8fa301 100644
--- a/sycl/test/abi/sycl_symbols_linux.dump
+++ b/sycl/test/abi/sycl_symbols_linux.dump
@@ -3540,14 +3540,10 @@ _ZN4sycl3_V17handler8finalizeEv
 _ZN4sycl3_V17handler8prefetchEPKvm
 _ZN4sycl3_V17handlerC1ESt10shared_ptrINS0_3ext6oneapi12experimental6detail10graph_implEE
 _ZN4sycl3_V17handlerC1ESt10shared_ptrINS0_6detail10queue_implEES5_S5_b
-_ZN4sycl3_V17handlerC1ESt10shared_ptrINS0_6detail10queue_implEES5_S5_bb
 _ZN4sycl3_V17handlerC1ESt10shared_ptrINS0_6detail10queue_implEEb
-_ZN4sycl3_V17handlerC1ESt10shared_ptrINS0_6detail10queue_implEEbb
 _ZN4sycl3_V17handlerC2ESt10shared_ptrINS0_3ext6oneapi12experimental6detail10graph_implEE
 _ZN4sycl3_V17handlerC2ESt10shared_ptrINS0_6detail10queue_implEES5_S5_b
-_ZN4sycl3_V17handlerC2ESt10shared_ptrINS0_6detail10queue_implEES5_S5_bb
 _ZN4sycl3_V17handlerC2ESt10shared_ptrINS0_6detail10queue_implEEb
-_ZN4sycl3_V17handlerC2ESt10shared_ptrINS0_6detail10queue_implEEbb
 _ZN4sycl3_V17samplerC1ENS0_29coordinate_normalization_modeENS0_15addressing_modeENS0_14filtering_modeERKNS0_13property_listE
 _ZN4sycl3_V17samplerC1EP11_cl_samplerRKNS0_7contextE
 _ZN4sycl3_V17samplerC2ENS0_29coordinate_normalization_modeENS0_15addressing_modeENS0_14filtering_modeERKNS0_13property_listE
@@ -3590,7 +3586,6 @@ _ZN4sycl3_V19kernel_idC1EPKc
 _ZN4sycl3_V19kernel_idC2EPKc
 _ZNK4sycl3_V112cpu_selectorclERKNS0_6deviceE
 _ZNK4sycl3_V112gpu_selectorclERKNS0_6deviceE
-_ZNK4sycl3_V113host_selectorclERKNS0_6deviceE
 _ZNK4sycl3_V114exception_list3endEv
 _ZNK4sycl3_V114exception_list4sizeEv
 _ZNK4sycl3_V114exception_list5beginEv
@@ -3632,7 +3627,6 @@ _ZNK4sycl3_V15event16get_backend_infoINS0_4info8platform7versionEEENS0_6detail20
 _ZNK4sycl3_V15event18get_profiling_infoINS0_4info15event_profiling11command_endEEENS0_6detail28is_event_profiling_info_descIT_E11return_typeEv
 _ZNK4sycl3_V15event18get_profiling_infoINS0_4info15event_profiling13command_startEEENS0_6detail28is_event_profiling_info_descIT_E11return_typeEv
 _ZNK4sycl3_V15event18get_profiling_infoINS0_4info15event_profiling14command_submitEEENS0_6detail28is_event_profiling_info_descIT_E11return_typeEv
-_ZNK4sycl3_V15event7is_hostEv
 _ZNK4sycl3_V15event8get_infoINS0_4info5event15reference_countEEENS0_6detail18is_event_info_descIT_E11return_typeEv
 _ZNK4sycl3_V15event8get_infoINS0_4info5event24command_execution_statusEEENS0_6detail18is_event_info_descIT_E11return_typeEv
 _ZNK4sycl3_V15event9getNativeEv
@@ -3674,7 +3668,6 @@ _ZNK4sycl3_V15queue20ext_oneapi_get_stateEv
 _ZNK4sycl3_V15queue25ext_oneapi_get_last_eventEv
 _ZNK4sycl3_V15queue28ext_codeplay_supports_fusionEv
 _ZNK4sycl3_V15queue3getEv
-_ZNK4sycl3_V15queue7is_hostEv
 _ZNK4sycl3_V15queue8get_infoINS0_4info5queue15reference_countEEENS0_6detail18is_queue_info_descIT_E11return_typeEv
 _ZNK4sycl3_V15queue8get_infoINS0_4info5queue6deviceEEENS0_6detail18is_queue_info_descIT_E11return_typeEv
 _ZNK4sycl3_V15queue8get_infoINS0_4info5queue7contextEEENS0_6detail18is_queue_info_descIT_E11return_typeEv
@@ -4010,7 +4003,6 @@ _ZNK4sycl3_V16device3getEv
 _ZNK4sycl3_V16device3hasENS0_6aspectE
 _ZNK4sycl3_V16device6is_cpuEv
 _ZNK4sycl3_V16device6is_gpuEv
-_ZNK4sycl3_V16device7is_hostEv
 _ZNK4sycl3_V16device9getNativeEv
 _ZNK4sycl3_V16kernel11get_backendEv
 _ZNK4sycl3_V16kernel11get_contextEv
@@ -4026,7 +4018,6 @@ _ZNK4sycl3_V16kernel16get_backend_infoINS0_4info8platform7versionEEENS0_6detail2
 _ZNK4sycl3_V16kernel17get_kernel_bundleEv
 _ZNK4sycl3_V16kernel19ext_oneapi_get_infoINS0_3ext6oneapi12experimental4info21kernel_queue_specific23max_num_work_group_syncEEENT_11return_typeERKNS0_5queueE
 _ZNK4sycl3_V16kernel3getEv
-_ZNK4sycl3_V16kernel7is_hostEv
 _ZNK4sycl3_V16kernel8get_infoINS0_4info22kernel_device_specific15work_group_sizeEEENS0_6detail35is_kernel_device_specific_info_descIT_E11return_typeERKNS0_6deviceE
 _ZNK4sycl3_V16kernel8get_infoINS0_4info22kernel_device_specific16global_work_sizeEEENS0_6detail35is_kernel_device_specific_info_descIT_E11return_typeERKNS0_6deviceE
 _ZNK4sycl3_V16kernel8get_infoINS0_4info22kernel_device_specific16private_mem_sizeEEENS0_6detail35is_kernel_device_specific_info_descIT_E11return_typeERKNS0_6deviceE
@@ -4120,7 +4111,6 @@ _ZNK4sycl3_V17context16get_backend_infoINS0_4info6device15backend_versionEEENS0_
 _ZNK4sycl3_V17context16get_backend_infoINS0_4info6device7versionEEENS0_6detail20is_backend_info_descIT_E11return_typeEv
 _ZNK4sycl3_V17context16get_backend_infoINS0_4info8platform7versionEEENS0_6detail20is_backend_info_descIT_E11return_typeEv
 _ZNK4sycl3_V17context3getEv
-_ZNK4sycl3_V17context7is_hostEv
 _ZNK4sycl3_V17context8get_infoINS0_4info7context15reference_countEEENS0_6detail20is_context_info_descIT_E11return_typeEv
 _ZNK4sycl3_V17context8get_infoINS0_4info7context31atomic_fence_order_capabilitiesEEENS0_6detail20is_context_info_descIT_E11return_typeEv
 _ZNK4sycl3_V17context8get_infoINS0_4info7context31atomic_fence_scope_capabilitiesEEENS0_6detail20is_context_info_descIT_E11return_typeEv
@@ -4188,7 +4178,6 @@ _ZNK4sycl3_V18platform30ext_oneapi_get_default_contextEv
 _ZNK4sycl3_V18platform32ext_oneapi_get_composite_devicesEv
 _ZNK4sycl3_V18platform3getEv
 _ZNK4sycl3_V18platform3hasENS0_6aspectE
-_ZNK4sycl3_V18platform7is_hostEv
 _ZNK4sycl3_V18platform9getNativeEv
 _ZNK4sycl3_V19exception11get_contextEv
 _ZNK4sycl3_V19exception11has_contextEv
diff --git a/sycl/test/abi/sycl_symbols_windows.dump b/sycl/test/abi/sycl_symbols_windows.dump
index 136f094ef937a..de8a65e885348 100644
--- a/sycl/test/abi/sycl_symbols_windows.dump
+++ b/sycl/test/abi/sycl_symbols_windows.dump
@@ -567,13 +567,8 @@
 ??0half@host_half_impl@detail@_V1@sycl@@QEAA@AEBM@Z
 ??0half@host_half_impl@detail@_V1@sycl@@QEAA@G@Z
 ??0handler@_V1@sycl@@AEAA@V?$shared_ptr@Vgraph_impl@detail@experimental@oneapi@ext@_V1@sycl@@@std@@@Z
-??0handler@_V1@sycl@@AEAA@V?$shared_ptr@Vqueue_impl@detail@_V1@sycl@@@std@@00_N1@Z
 ??0handler@_V1@sycl@@AEAA@V?$shared_ptr@Vqueue_impl@detail@_V1@sycl@@@std@@00_N@Z
-??0handler@_V1@sycl@@AEAA@V?$shared_ptr@Vqueue_impl@detail@_V1@sycl@@@std@@_N1@Z
 ??0handler@_V1@sycl@@AEAA@V?$shared_ptr@Vqueue_impl@detail@_V1@sycl@@@std@@_N@Z
-??0host_selector@_V1@sycl@@QEAA@$$QEAV012@@Z
-??0host_selector@_V1@sycl@@QEAA@AEBV012@@Z
-??0host_selector@_V1@sycl@@QEAA@XZ
 ??0image_mem@experimental@oneapi@ext@_V1@sycl@@QEAA@$$QEAV012345@@Z
 ??0image_mem@experimental@oneapi@ext@_V1@sycl@@QEAA@AEBUimage_descriptor@12345@AEBVdevice@45@AEBVcontext@45@@Z
 ??0image_mem@experimental@oneapi@ext@_V1@sycl@@QEAA@AEBUimage_descriptor@12345@AEBVqueue@45@@Z
@@ -674,7 +669,6 @@
 ??1fusion_wrapper@experimental@codeplay@ext@_V1@sycl@@QEAA@XZ
 ??1gpu_selector@_V1@sycl@@UEAA@XZ
 ??1handler@_V1@sycl@@AEAA@XZ
-??1host_selector@_V1@sycl@@UEAA@XZ
 ??1image_mem@experimental@oneapi@ext@_V1@sycl@@QEAA@XZ
 ??1image_mem_impl@detail@experimental@oneapi@ext@_V1@sycl@@QEAA@XZ
 ??1image_plain@detail@_V1@sycl@@QEAA@XZ
@@ -754,8 +748,6 @@
 ??4gpu_selector@_V1@sycl@@QEAAAEAV012@$$QEAV012@@Z
 ??4gpu_selector@_V1@sycl@@QEAAAEAV012@AEBV012@@Z
 ??4half@host_half_impl@detail@_V1@sycl@@QEAAAEAV01234@AEBV01234@@Z
-??4host_selector@_V1@sycl@@QEAAAEAV012@$$QEAV012@@Z
-??4host_selector@_V1@sycl@@QEAAAEAV012@AEBV012@@Z
 ??4image_mem@experimental@oneapi@ext@_V1@sycl@@QEAAAEAV012345@$$QEAV012345@@Z
 ??4image_mem@experimental@oneapi@ext@_V1@sycl@@QEAAAEAV012345@AEBV012345@@Z
 ??4image_plain@detail@_V1@sycl@@QEAAAEAV0123@$$QEAV0123@@Z
@@ -820,7 +812,6 @@
 ??Rfilter_selector@ONEAPI@_V1@sycl@@UEBAHAEBVdevice@23@@Z
 ??Rfilter_selector@oneapi@ext@_V1@sycl@@UEBAHAEBVdevice@34@@Z
 ??Rgpu_selector@_V1@sycl@@UEBAHAEBVdevice@12@@Z
-??Rhost_selector@_V1@sycl@@UEBAHAEBVdevice@12@@Z
 ??Xhalf@host_half_impl@detail@_V1@sycl@@QEAAAEAV01234@AEBV01234@@Z
 ??Yhalf@host_half_impl@detail@_V1@sycl@@QEAAAEAV01234@AEBV01234@@Z
 ??Zhalf@host_half_impl@detail@_V1@sycl@@QEAAAEAV01234@AEBV01234@@Z
@@ -834,7 +825,6 @@
 ??_7filter_selector@ONEAPI@_V1@sycl@@6B@
 ??_7filter_selector@oneapi@ext@_V1@sycl@@6B@
 ??_7gpu_selector@_V1@sycl@@6B@
-??_7host_selector@_V1@sycl@@6B@
 ??_8exception@_V1@sycl@@7B@
 ??_Dexception@_V1@sycl@@QEAAXXZ
 ??_Fcontext@_V1@sycl@@QEAAXXZ
@@ -4296,13 +4286,6 @@
 ?is_compatible@_V1@sycl@@YA_NAEBV?$vector@Vkernel_id@_V1@sycl@@V?$allocator@Vkernel_id@_V1@sycl@@@std@@@std@@AEBVdevice@12@@Z
 ?is_cpu@device@_V1@sycl@@QEBA_NXZ
 ?is_gpu@device@_V1@sycl@@QEBA_NXZ
-?is_host@context@_V1@sycl@@QEBA_NXZ
-?is_host@device@_V1@sycl@@QEBA_NXZ
-?is_host@event@_V1@sycl@@QEBA_NXZ
-?is_host@handler@_V1@sycl@@AEAA_NXZ
-?is_host@kernel@_V1@sycl@@QEBA_NXZ
-?is_host@platform@_V1@sycl@@QEBA_NXZ
-?is_host@queue@_V1@sycl@@QEBA_NXZ
 ?is_in_fusion_mode@fusion_wrapper@experimental@codeplay@ext@_V1@sycl@@QEBA_NXZ
 ?is_in_order@queue@_V1@sycl@@QEBA_NXZ
 ?is_source_kernel_bundle_supported@detail@experimental@oneapi@ext@_V1@sycl@@YA_NW4backend@56@W4source_language@23456@@Z
@@ -4478,7 +4461,6 @@
 ?updateValue@dynamic_parameter_base@detail@experimental@oneapi@ext@_V1@sycl@@IEAAXPEBX_K@Z
 ?use_kernel_bundle@handler@_V1@sycl@@QEAAXAEBV?$kernel_bundle@$01@23@@Z
 ?verifyDeviceHasProgressGuarantee@handler@_V1@sycl@@AEAAXW4forward_progress_guarantee@experimental@oneapi@ext@23@W4execution_scope@56723@1@Z
-?verifyKernelInvoc@handler@_V1@sycl@@AEAAXAEBVkernel@23@@Z
 ?verifyUsedKernelBundle@handler@_V1@sycl@@AEAAXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
 ?verifyUsedKernelBundleInternal@handler@_V1@sycl@@AEAAXVstring_view@detail@23@@Z
 ?wait@event@_V1@sycl@@QEAAXXZ
diff --git a/sycl/test/abi/symbol_size_alignment.cpp b/sycl/test/abi/symbol_size_alignment.cpp
index ba1c683d55ad5..0d3d43faf3f35 100644
--- a/sycl/test/abi/symbol_size_alignment.cpp
+++ b/sycl/test/abi/symbol_size_alignment.cpp
@@ -52,9 +52,9 @@ int main() {
   check<event, 16, 8>();
   check<gpu_selector, 8, 8>();
 #ifdef _MSC_VER
-  check<handler, 584, 8>();
+  check<handler, 576, 8>();
 #else
-  check<handler, 592, 8>();
+  check<handler, 584, 8>();
 #endif
   check<image<1>, 16, 8>();
   check<kernel, 16, 8>();
diff --git a/sycl/test/invoke_simd/invoke_simd.cpp b/sycl/test/invoke_simd/invoke_simd.cpp
index 087834eb7b089..33017aa2d9337 100644
--- a/sycl/test/invoke_simd/invoke_simd.cpp
+++ b/sycl/test/invoke_simd/invoke_simd.cpp
@@ -46,17 +46,14 @@ ESIMD_CALLEE(float *A, esimd::simd<float, VL> b, int i) SYCL_ESIMD_FUNCTION {
 float SPMD_CALLEE(float *A, float b, int i) { return A[i] + b; }
 
 class ESIMDSelector : public device_selector {
-  // Require GPU device unless HOST is requested in ONEAPI_DEVICE_SELECTOR env
+  // Require GPU device
   virtual int operator()(const device &device) const {
     if (const char *dev_filter = getenv("ONEAPI_DEVICE_SELECTOR")) {
       std::string filter_string(dev_filter);
       if (filter_string.find("gpu") != std::string::npos)
         return device.is_gpu() ? 1000 : -1;
-      if (filter_string.find("host") != std::string::npos)
-        return device.is_host() ? 1000 : -1;
       std::cerr
-          << "Supported 'ONEAPI_DEVICE_SELECTOR' env var values are 'gpu' and "
-             "'host', '"
+          << "Supported 'ONEAPI_DEVICE_SELECTOR' env var value is 'gpu', '"
           << filter_string << "' does not contain such substrings.\n";
       return -1;
     }
diff --git a/sycl/test/warnings/sycl_2020_deprecations.cpp b/sycl/test/warnings/sycl_2020_deprecations.cpp
index 6839499c14ebf..b89b72b001bf2 100644
--- a/sycl/test/warnings/sycl_2020_deprecations.cpp
+++ b/sycl/test/warnings/sycl_2020_deprecations.cpp
@@ -183,8 +183,6 @@ int main() {
   sycl::gpu_selector gs;
   // expected-warning@+1{{'accelerator_selector' is deprecated: Use the callable sycl::accelerator_selector_v instead.}}
   sycl::accelerator_selector as;
-  // expected-warning@+1{{'host_selector' is deprecated: Host device is no longer supported.}}
-  sycl::host_selector hs;
 
   // expected-warning@+1{{Use SYCL 2020 callable device selectors instead.}}
   class user_defined_device_selector : public sycl::device_selector {
@@ -201,8 +199,6 @@ int main() {
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::device ad{as};
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
-  sycl::device hd{hs};
-  // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::device udd{uds};
 
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
@@ -214,8 +210,6 @@ int main() {
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::platform ap{as};
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
-  sycl::platform hp{hs};
-  // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::platform udp{uds};
 
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
@@ -227,8 +221,6 @@ int main() {
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::queue aq1{as};
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
-  sycl::queue hq1{hs};
-  // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::queue udq1{uds};
 
   sycl::context ctx;
@@ -242,8 +234,6 @@ int main() {
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::queue aq2{ctx, as};
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
-  sycl::queue hq2{ctx, hs};
-  // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::queue udq2{ctx, uds};
 
   auto ah = [](sycl::exception_list) {};
@@ -257,8 +247,6 @@ int main() {
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::queue aq3{as, ah};
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
-  sycl::queue hq3{hs, ah};
-  // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::queue udq3{uds, ah};
 
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
@@ -270,8 +258,6 @@ int main() {
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::queue aq4{ctx, as, ah};
   // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
-  sycl::queue hq4{ctx, hs, ah};
-  // expected-warning@+1{{SYCL 1.2.1 device selectors are deprecated. Please use SYCL 2020 device selectors instead.}}
   sycl::queue udq4{ctx, uds, ah};
 
   Queue.submit([&](sycl::handler &CGH) {
diff --git a/sycl/unittests/program_manager/arg_mask/EliminatedArgMask.cpp b/sycl/unittests/program_manager/arg_mask/EliminatedArgMask.cpp
index b4d4e7cdb7535..649e7a6126729 100644
--- a/sycl/unittests/program_manager/arg_mask/EliminatedArgMask.cpp
+++ b/sycl/unittests/program_manager/arg_mask/EliminatedArgMask.cpp
@@ -111,7 +111,7 @@ class MockHandler : public sycl::handler {
 
 public:
   MockHandler(std::shared_ptr<sycl::detail::queue_impl> Queue)
-      : sycl::handler(Queue, /* IsHost */ false, /*CallerNeedsEvent*/ true) {}
+      : sycl::handler(Queue, /*CallerNeedsEvent*/ true) {}
 
   std::unique_ptr<sycl::detail::CG> finalize() {
     auto CGH = static_cast<sycl::handler *>(this);
diff --git a/sycl/unittests/scheduler/AccessorDefaultCtor.cpp b/sycl/unittests/scheduler/AccessorDefaultCtor.cpp
index bf200ec660fb9..4b91b8c3063d3 100644
--- a/sycl/unittests/scheduler/AccessorDefaultCtor.cpp
+++ b/sycl/unittests/scheduler/AccessorDefaultCtor.cpp
@@ -21,7 +21,7 @@ TEST_F(SchedulerTest, AccDefaultCtorDoesntAffectDepGraph) {
 
   std::vector<detail::Command *> ToEnqueue;
 
-  MockHandlerCustomFinalize MockCGH(QueueDevImpl, false,
+  MockHandlerCustomFinalize MockCGH(QueueDevImpl,
                                     /*CallerNeedsEvent=*/true);
 
   sycl::accessor<int, 0, sycl::access::mode::read_write, sycl::target::device>
diff --git a/sycl/unittests/scheduler/EnqueueWithDependsOnDeps.cpp b/sycl/unittests/scheduler/EnqueueWithDependsOnDeps.cpp
index 31d4e92bf89a8..d58d48f2f6ad0 100644
--- a/sycl/unittests/scheduler/EnqueueWithDependsOnDeps.cpp
+++ b/sycl/unittests/scheduler/EnqueueWithDependsOnDeps.cpp
@@ -56,7 +56,7 @@ class DependsOnTests : public ::testing::Test {
     std::vector<detail::Command *> ToEnqueue;
 
     // Emulating processing of command group function
-    MockHandlerCustomFinalize MockCGH(QueueDevImpl, false,
+    MockHandlerCustomFinalize MockCGH(QueueDevImpl,
                                       /*CallerNeedsEvent=*/true);
 
     for (auto EventImpl : Events)
diff --git a/sycl/unittests/scheduler/GraphCleanup.cpp b/sycl/unittests/scheduler/GraphCleanup.cpp
index 94be957e03051..186768b3fd823 100644
--- a/sycl/unittests/scheduler/GraphCleanup.cpp
+++ b/sycl/unittests/scheduler/GraphCleanup.cpp
@@ -327,7 +327,7 @@ TEST_F(SchedulerTest, StreamBufferDeallocation) {
   AttachSchedulerWrapper AttachScheduler{MSPtr};
   detail::EventImplPtr EventImplPtr;
   {
-    MockHandlerCustomFinalize MockCGH(QueueImplPtr, false,
+    MockHandlerCustomFinalize MockCGH(QueueImplPtr,
                                       /*CallerNeedsEvent=*/true);
     kernel_bundle KernelBundle =
         sycl::get_kernel_bundle<sycl::bundle_state::input>(
@@ -390,7 +390,7 @@ TEST_F(SchedulerTest, AuxiliaryResourcesDeallocation) {
   detail::EventImplPtr EventImplPtr;
   bool MockAuxResourceDeleted = false;
   {
-    MockHandlerCustomFinalize MockCGH(QueueImplPtr, false,
+    MockHandlerCustomFinalize MockCGH(QueueImplPtr,
                                       /*CallerNeedsEvent=*/true);
     kernel_bundle KernelBundle =
         sycl::get_kernel_bundle<sycl::bundle_state::input>(
diff --git a/sycl/unittests/scheduler/KernelFusion.cpp b/sycl/unittests/scheduler/KernelFusion.cpp
index 5503749ea71d7..025f8ece059eb 100644
--- a/sycl/unittests/scheduler/KernelFusion.cpp
+++ b/sycl/unittests/scheduler/KernelFusion.cpp
@@ -22,7 +22,7 @@ template <typename T, int Dim>
 detail::Command *CreateTaskCommand(MockScheduler &MS,
                                    detail::QueueImplPtr DevQueue,
                                    buffer<T, Dim> &buf) {
-  MockHandlerCustomFinalize MockCGH(DevQueue, false,
+  MockHandlerCustomFinalize MockCGH(DevQueue,
                                     /*CallerNeedsEvent=*/true);
 
   auto acc = buf.get_access(static_cast<sycl::handler &>(MockCGH));
diff --git a/sycl/unittests/scheduler/SchedulerTestUtils.hpp b/sycl/unittests/scheduler/SchedulerTestUtils.hpp
index 4974501a66581..9d89a970c9a09 100644
--- a/sycl/unittests/scheduler/SchedulerTestUtils.hpp
+++ b/sycl/unittests/scheduler/SchedulerTestUtils.hpp
@@ -225,9 +225,9 @@ sycl::detail::Requirement getMockRequirement(const MemObjT &MemObj) {
 
 class MockHandler : public sycl::handler {
 public:
-  MockHandler(std::shared_ptr<sycl::detail::queue_impl> Queue, bool IsHost,
+  MockHandler(std::shared_ptr<sycl::detail::queue_impl> Queue,
               bool CallerNeedsEvent)
-      : sycl::handler(Queue, IsHost, CallerNeedsEvent) {}
+      : sycl::handler(Queue, CallerNeedsEvent) {}
   // Methods
   using sycl::handler::addReduction;
   using sycl::handler::getType;
@@ -293,8 +293,8 @@ class MockHandler : public sycl::handler {
 class MockHandlerCustomFinalize : public MockHandler {
 public:
   MockHandlerCustomFinalize(std::shared_ptr<sycl::detail::queue_impl> Queue,
-                            bool IsHost, bool CallerNeedsEvent)
-      : MockHandler(Queue, IsHost, CallerNeedsEvent) {}
+                            bool CallerNeedsEvent)
+      : MockHandler(Queue, CallerNeedsEvent) {}
 
   std::unique_ptr<sycl::detail::CG> finalize() {
     std::unique_ptr<sycl::detail::CG> CommandGroup;
diff --git a/sycl/unittests/scheduler/StreamInitDependencyOnHost.cpp b/sycl/unittests/scheduler/StreamInitDependencyOnHost.cpp
index af11192c31851..d4f65caddf56c 100644
--- a/sycl/unittests/scheduler/StreamInitDependencyOnHost.cpp
+++ b/sycl/unittests/scheduler/StreamInitDependencyOnHost.cpp
@@ -21,9 +21,9 @@ inline constexpr auto DisableCleanupName =
 
 class MockHandlerStreamInit : public MockHandler {
 public:
-  MockHandlerStreamInit(std::shared_ptr<detail::queue_impl> Queue, bool IsHost,
+  MockHandlerStreamInit(std::shared_ptr<detail::queue_impl> Queue,
                         bool CallerNeedsEvent)
-      : MockHandler(Queue, IsHost, CallerNeedsEvent) {}
+      : MockHandler(Queue, CallerNeedsEvent) {}
   std::unique_ptr<detail::CG> finalize() {
     std::unique_ptr<detail::CG> CommandGroup;
     switch (getType()) {