diff --git a/openmp/libomptarget/src/device.cpp b/openmp/libomptarget/src/device.cpp
--- a/openmp/libomptarget/src/device.cpp
+++ b/openmp/libomptarget/src/device.cpp
@@ -134,7 +134,7 @@
     if (Event)
       destroyEvent(Event);
     HDTTMap->erase(It);
-    return OFFLOAD_SUCCESS;
+    return notifyDataUnmapped(HstPtrBegin);
   }
 
   REPORT("Trying to disassociate a pointer which was not mapped via "