diff --git a/edgeless_api/proto/messages.proto b/edgeless_api/proto/messages.proto
index 61c26149..63a369d7 100644
--- a/edgeless_api/proto/messages.proto
+++ b/edgeless_api/proto/messages.proto
@@ -461,8 +461,6 @@ message ResourceInstanceSpecification {
     string resource_class_type = 1;
     // Resource configuration (depends on the type).
     map<string, string> configuration = 2;
-    // Mapping of the outputs to concrete function/resource instances.
-    map<string, InstanceId> output_mapping = 3;
 }
 
 // Message containing information provided as response to failed request.
diff --git a/edgeless_api/src/coap_impl/resource_configuration.rs b/edgeless_api/src/coap_impl/resource_configuration.rs
index 1fb9303f..0a355c96 100644
--- a/edgeless_api/src/coap_impl/resource_configuration.rs
+++ b/edgeless_api/src/coap_impl/resource_configuration.rs
@@ -8,12 +8,7 @@ impl crate::resource_configuration::ResourceConfigurationAPI<edgeless_api_core::
         &mut self,
         instance_specification: crate::resource_configuration::ResourceInstanceSpecification,
     ) -> anyhow::Result<crate::common::StartComponentResponse<edgeless_api_core::instance_id::InstanceId>> {
-        let mut outputs = heapless::Vec::<(&str, edgeless_api_core::instance_id::InstanceId), 16>::new();
         let mut configuration = heapless::Vec::<(&str, &str), 16>::new();
-        for (key, val) in &instance_specification.output_mapping {
-            outputs.push((key, *val)).map_err(|_| anyhow::anyhow!("Too many outputs"))?;
-        }
-
         for (key, val) in &instance_specification.configuration {
             configuration
                 .push((key, val))
@@ -22,7 +17,6 @@ impl crate::resource_configuration::ResourceConfigurationAPI<edgeless_api_core::
 
         let encoded_resource_spec = edgeless_api_core::resource_configuration::EncodedResourceInstanceSpecification {
             class_type: &instance_specification.class_type,
-            output_mapping: outputs,
             configuration,
         };
 
diff --git a/edgeless_api/src/grpc_impl/resource_configuration.rs b/edgeless_api/src/grpc_impl/resource_configuration.rs
index 68f367a4..12d4fc8a 100644
--- a/edgeless_api/src/grpc_impl/resource_configuration.rs
+++ b/edgeless_api/src/grpc_impl/resource_configuration.rs
@@ -13,17 +13,6 @@ impl ResourceConfigurationConverters {
         Ok(crate::resource_configuration::ResourceInstanceSpecification {
             class_type: api_spec.resource_class_type.clone(),
             configuration: api_spec.configuration.clone(),
-            output_mapping: api_spec
-                .output_mapping
-                .iter()
-                .flat_map(|(name, id)| {
-                    let id = CommonConverters::parse_instance_id(id);
-                    match id {
-                        Ok(val) => Some((name.to_string(), val)),
-                        Err(_) => None,
-                    }
-                })
-                .collect(),
         })
     }
 
@@ -33,11 +22,6 @@ impl ResourceConfigurationConverters {
         crate::grpc_impl::api::ResourceInstanceSpecification {
             resource_class_type: crate_spec.class_type.clone(),
             configuration: crate_spec.configuration.clone(),
-            output_mapping: crate_spec
-                .output_mapping
-                .iter()
-                .map(|(name, id)| (name.to_string(), CommonConverters::serialize_instance_id(id)))
-                .collect(),
         }
     }
 }
diff --git a/edgeless_api/src/resource_configuration.rs b/edgeless_api/src/resource_configuration.rs
index 7b8e9405..23f49a4e 100644
--- a/edgeless_api/src/resource_configuration.rs
+++ b/edgeless_api/src/resource_configuration.rs
@@ -7,8 +7,6 @@ use crate::common::PatchRequest;
 #[derive(Debug, PartialEq, Clone, serde::Serialize, serde::Deserialize)]
 pub struct ResourceInstanceSpecification {
     pub class_type: String,
-    #[serde(skip)]
-    pub output_mapping: std::collections::HashMap<String, crate::function_instance::InstanceId>, // XXX
     pub configuration: std::collections::HashMap<String, String>,
 }
 
diff --git a/edgeless_api_core/src/resource_configuration.rs b/edgeless_api_core/src/resource_configuration.rs
index 5e4768b4..1a2ba5d4 100644
--- a/edgeless_api_core/src/resource_configuration.rs
+++ b/edgeless_api_core/src/resource_configuration.rs
@@ -5,7 +5,6 @@
 #[derive(Clone, PartialEq, Eq)]
 pub struct EncodedResourceInstanceSpecification<'a> {
     pub class_type: &'a str,
-    pub output_mapping: heapless::Vec<(&'a str, crate::instance_id::InstanceId), 16>,
     pub configuration: heapless::Vec<(&'a str, &'a str), 16>,
 }
 
@@ -18,13 +17,6 @@ pub struct EncodedPatchRequest<'a> {
 impl<C> minicbor::Encode<C> for EncodedResourceInstanceSpecification<'_> {
     fn encode<W: minicbor::encode::Write>(&self, e: &mut minicbor::Encoder<W>, _ctx: &mut C) -> Result<(), minicbor::encode::Error<W::Error>> {
         let mut e = e.str(self.class_type)?;
-        {
-            e = e.array(self.output_mapping.len() as u64)?;
-            for data in &self.output_mapping {
-                e = e.encode(data)?;
-            }
-        }
-
         {
             e = e.array(self.configuration.len() as u64)?;
             for data in &self.configuration {
@@ -38,20 +30,14 @@ impl<C> minicbor::Encode<C> for EncodedResourceInstanceSpecification<'_> {
 impl<'b, C> minicbor::Decode<'b, C> for EncodedResourceInstanceSpecification<'b> {
     fn decode(d: &mut minicbor::Decoder<'b>, _ctx: &mut C) -> Result<Self, minicbor::decode::Error> {
         let id = d.str()?;
-        let mut outputs = heapless::Vec::<(&'b str, crate::instance_id::InstanceId), 16>::new();
         let mut configuration = heapless::Vec::<(&'b str, &'b str), 16>::new();
 
-        for item in d.array_iter::<(&str, crate::instance_id::InstanceId)>().unwrap().flatten() {
-            let _ = outputs.push(item);
-        }
-
         for item in d.array_iter::<(&str, &str)>().unwrap().flatten() {
             let _ = configuration.push(item);
         }
 
         Ok(EncodedResourceInstanceSpecification {
             class_type: id,
-            output_mapping: outputs,
             configuration,
         })
     }
@@ -61,8 +47,6 @@ impl<C> minicbor::CborLen<C> for EncodedResourceInstanceSpecification<'_> {
     fn cbor_len(&self, ctx: &mut C) -> usize {
         let mut len: usize = self.class_type.cbor_len(ctx);
 
-        len += self.output_mapping[..self.output_mapping.len()].cbor_len(ctx);
-
         len += self.configuration[..self.configuration.len()].cbor_len(ctx);
 
         len
@@ -136,7 +120,6 @@ mod test {
 
         let id = super::EncodedResourceInstanceSpecification {
             class_type: "class-1",
-            output_mapping: outputs,
             configuration,
         };
 
diff --git a/edgeless_con/src/controller/controller_task.rs b/edgeless_con/src/controller/controller_task.rs
index f3f1fccc..6806318e 100644
--- a/edgeless_con/src/controller/controller_task.rs
+++ b/edgeless_con/src/controller/controller_task.rs
@@ -638,7 +638,6 @@ impl ControllerTask {
             .start(edgeless_api::resource_configuration::ResourceInstanceSpecification {
                 class_type: resource.class_type.clone(),
                 configuration: resource.configurations.clone(),
-                output_mapping: std::collections::HashMap::new(),
             })
             .await;
 
diff --git a/edgeless_embedded/src/resource/mock_sensor.rs b/edgeless_embedded/src/resource/mock_sensor.rs
index 58cd1609..ce823b25 100644
--- a/edgeless_embedded/src/resource/mock_sensor.rs
+++ b/edgeless_embedded/src/resource/mock_sensor.rs
@@ -22,7 +22,7 @@ impl MockSensor {
     async fn parse_configuration<'a>(
         data: edgeless_api_core::resource_configuration::EncodedResourceInstanceSpecification<'a>,
     ) -> Result<MockSensorConfiguration, edgeless_api_core::common::ErrorResponse> {
-        let mut out_id: Option<edgeless_api_core::instance_id::InstanceId> = None;
+        let out_id: Option<edgeless_api_core::instance_id::InstanceId> = None;
 
         if data.class_type != "scd30-sensor" {
             return Err(edgeless_api_core::common::ErrorResponse {
@@ -31,13 +31,6 @@ impl MockSensor {
             });
         }
 
-        for (key, val) in data.output_mapping {
-            if key == "data_out" {
-                out_id = Some(val);
-                break;
-            }
-        }
-
         // let out_id = match out_id {
         //     Some(val) => val,
         //     None => {
diff --git a/edgeless_embedded/src/resource/scd30_sensor.rs b/edgeless_embedded/src/resource/scd30_sensor.rs
index 9e074daa..7309de97 100644
--- a/edgeless_embedded/src/resource/scd30_sensor.rs
+++ b/edgeless_embedded/src/resource/scd30_sensor.rs
@@ -43,7 +43,7 @@ impl SCD30Sensor {
     async fn parse_configuration<'a>(
         data: edgeless_api_core::resource_configuration::EncodedResourceInstanceSpecification<'a>,
     ) -> Result<SCD30SensorConfiguration, edgeless_api_core::common::ErrorResponse> {
-        let mut out_id: Option<edgeless_api_core::instance_id::InstanceId> = None;
+        let out_id: Option<edgeless_api_core::instance_id::InstanceId> = None;
 
         if data.class_type != "scd30-sensor" {
             return Err(edgeless_api_core::common::ErrorResponse {
@@ -51,14 +51,6 @@ impl SCD30Sensor {
                 detail: None,
             });
         }
-
-        for (key, val) in data.output_mapping {
-            if key == "data_out" {
-                out_id = Some(val);
-                break;
-            }
-        }
-
         Ok(SCD30SensorConfiguration { data_out_id: out_id })
     }
 
diff --git a/edgeless_node/src/resources/dda/mod.rs b/edgeless_node/src/resources/dda/mod.rs
index 66e2c049..0ac3f487 100644
--- a/edgeless_node/src/resources/dda/mod.rs
+++ b/edgeless_node/src/resources/dda/mod.rs
@@ -102,10 +102,6 @@ impl ResourceConfigurationAPI<edgeless_api::function_instance::InstanceId> for D
             let new_id = edgeless_api::function_instance::InstanceId::new(lck.resource_provider_id.node_id);
             let dataplane_handle = lck.dataplane_provider.get_handle_for(new_id).await;
 
-            // insert the initial output_mapping before the Instance is created
-            // to avoid data race
-            lck.mappings.insert(new_id.function_id, instance_specification.output_mapping);
-
             // create the resource
             let dda_res = match DDAResource::new(
                 self.clone(),
diff --git a/edgeless_orc/src/orchestrator/test.rs b/edgeless_orc/src/orchestrator/test.rs
index 247d88c9..083616d9 100644
--- a/edgeless_orc/src/orchestrator/test.rs
+++ b/edgeless_orc/src/orchestrator/test.rs
@@ -349,7 +349,6 @@ fn make_spawn_function_request(class_id: &str) -> edgeless_api::function_instanc
 fn make_start_resource_request(class_type: &str) -> edgeless_api::resource_configuration::ResourceInstanceSpecification {
     edgeless_api::resource_configuration::ResourceInstanceSpecification {
         class_type: class_type.to_string(),
-        output_mapping: std::collections::HashMap::new(),
         configuration: std::collections::HashMap::new(),
     }
 }
diff --git a/edgeless_orc/src/orchestrator_task.rs b/edgeless_orc/src/orchestrator_task.rs
index fdae2fcc..5f8f5b70 100644
--- a/edgeless_orc/src/orchestrator_task.rs
+++ b/edgeless_orc/src/orchestrator_task.rs
@@ -320,8 +320,6 @@ impl OrchestratorTask {
                         .resource_configuration_api()
                         .start(edgeless_api::resource_configuration::ResourceInstanceSpecification {
                             class_type: resource_provider.class_type.clone(),
-                            // [TODO] Issue #94 remove output mapping
-                            output_mapping: std::collections::HashMap::new(),
                             configuration: start_req.configuration.clone(),
                         })
                         .await
diff --git a/edgeless_orc/src/proxy_redis.rs b/edgeless_orc/src/proxy_redis.rs
index 35285e89..920acad0 100644
--- a/edgeless_orc/src/proxy_redis.rs
+++ b/edgeless_orc/src/proxy_redis.rs
@@ -761,7 +761,6 @@ mod test {
                 crate::active_instance::ActiveInstance::Resource(
                     edgeless_api::resource_configuration::ResourceInstanceSpecification {
                         class_type: "res".to_string(),
-                        output_mapping: std::collections::HashMap::new(),
                         configuration: std::collections::HashMap::from([
                             ("key1".to_string(), "val1".to_string()),
                             ("key2".to_string(), "val2".to_string()),