diff --git a/include/hip/hip_runtime_api.h b/include/hip/hip_runtime_api.h
index 6836fa5358..c3c11c883b 100644
--- a/include/hip/hip_runtime_api.h
+++ b/include/hip/hip_runtime_api.h
@@ -5305,10 +5305,6 @@ hipError_t hipMipmappedArrayGetLevel(
  *  @{
  *  This section describes the callback/Activity of HIP runtime API.
  */
-hipError_t hipRegisterApiCallback(uint32_t id, void* fun, void* arg);
-hipError_t hipRemoveApiCallback(uint32_t id);
-hipError_t hipRegisterActivityCallback(uint32_t id, void* fun, void* arg);
-hipError_t hipRemoveActivityCallback(uint32_t id);
 const char* hipApiName(uint32_t id);
 const char* hipKernelNameRef(const hipFunction_t f);
 const char* hipKernelNameRefByPtr(const void* hostFunction, hipStream_t stream);