diff --git a/protocol/bluetooth/inc/sl_bt_stack_init.h b/protocol/bluetooth/inc/sl_bt_stack_init.h
index 781de5591f..1181d3cfd2 100644
--- a/protocol/bluetooth/inc/sl_bt_stack_init.h
+++ b/protocol/bluetooth/inc/sl_bt_stack_init.h
@@ -18,6 +18,10 @@
 #ifndef SL_BT_STACK_INIT_H
 #define SL_BT_STACK_INIT_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include "sl_status.h"
 #include "sl_bt_api.h"
 #include "sl_bt_stack_config.h"
@@ -173,4 +177,8 @@ static inline void sl_bt_init_whitelisting()
  */
 sl_status_t sl_bt_init_classes(const struct sli_bgapi_class * const * classes);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
\ No newline at end of file
diff --git a/util/silicon_labs/silabs_core/memory_manager/sl_malloc.h b/util/silicon_labs/silabs_core/memory_manager/sl_malloc.h
index 93cb8113d3..e114b66532 100644
--- a/util/silicon_labs/silabs_core/memory_manager/sl_malloc.h
+++ b/util/silicon_labs/silabs_core/memory_manager/sl_malloc.h
@@ -20,6 +20,10 @@
 #ifndef SL_MALLOC_H
 #define SL_MALLOC_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stddef.h>
 
 void *sl_malloc(size_t size);
@@ -27,4 +31,8 @@ void *sl_calloc(size_t nmemb, size_t size);
 void *sl_realloc(void * ptr, size_t size);
 void sl_free(void * ptr);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif // SL_MALLOC_H
diff --git a/util/third_party/crypto/mbedtls/library/psa_crypto.c b/util/third_party/crypto/mbedtls/library/psa_crypto.c
index 6c26e821ce..48f307ca4b 100644
--- a/util/third_party/crypto/mbedtls/library/psa_crypto.c
+++ b/util/third_party/crypto/mbedtls/library/psa_crypto.c
@@ -1619,7 +1619,7 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
 #if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) || \
     defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY)
             mbedtls_rsa_context *rsa = NULL;
-            psa_status_t status = psa_load_rsa_representation(
+            status = psa_load_rsa_representation(
                                     slot->attr.type,
                                     slot->data.key.data,
                                     slot->data.key.bytes,
@@ -1648,7 +1648,7 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
 #if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR) || \
     defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_PUBLIC_KEY)
             mbedtls_ecp_keypair *ecp = NULL;
-            psa_status_t status = psa_load_ecp_representation(
+            status = psa_load_ecp_representation(
                                     slot->attr.type,
                                     slot->data.key.data,
                                     slot->data.key.bytes,
diff --git a/util/third_party/crypto/sl_component/se_manager/src/sl_se_manager_cipher.c b/util/third_party/crypto/sl_component/se_manager/src/sl_se_manager_cipher.c
index 0a40bfa898..176ffdbfca 100644
--- a/util/third_party/crypto/sl_component/se_manager/src/sl_se_manager_cipher.c
+++ b/util/third_party/crypto/sl_component/se_manager/src/sl_se_manager_cipher.c
@@ -1127,8 +1127,8 @@ sl_status_t sl_se_gcm_starts(sl_se_gcm_streaming_context_t *gcm_ctx,
     }
 
     {
-      SE_DataTransfer_t iv_in = SE_DATATRANSFER_DEFAULT(iv, iv_len);
-      SE_DataTransfer_t add_in = SE_DATATRANSFER_DEFAULT(add, add_len);
+      iv_in = (SE_DataTransfer_t)SE_DATATRANSFER_DEFAULT(iv, iv_len);
+      add_in = (SE_DataTransfer_t)SE_DATATRANSFER_DEFAULT(add, add_len);
       SE_DataTransfer_t ctx_out =
         SE_DATATRANSFER_DEFAULT(gcm_ctx->se_ctx_enc, sizeof(gcm_ctx->se_ctx_enc));
 
@@ -1156,8 +1156,8 @@ sl_status_t sl_se_gcm_starts(sl_se_gcm_streaming_context_t *gcm_ctx,
 
     // Do decryption if requested
     if (gcm_ctx->mode == SL_SE_DECRYPT) {
-      SE_DataTransfer_t iv_in = SE_DATATRANSFER_DEFAULT((void*)iv, iv_len);
-      SE_DataTransfer_t add_in = SE_DATATRANSFER_DEFAULT((void*)add, add_len);
+      iv_in = (SE_DataTransfer_t)SE_DATATRANSFER_DEFAULT((void*)iv, iv_len);
+      add_in = (SE_DataTransfer_t)SE_DATATRANSFER_DEFAULT((void*)add, add_len);
       SE_DataTransfer_t ctx_out = SE_DATATRANSFER_DEFAULT(gcm_ctx->se_ctx_dec,
                                                           sizeof(gcm_ctx->se_ctx_dec));