diff --git a/projects/rocr-runtime/src/fmm.c b/projects/rocr-runtime/src/fmm.c
index af4840268d..cf1be8ac45 100644
--- a/projects/rocr-runtime/src/fmm.c
+++ b/projects/rocr-runtime/src/fmm.c
@@ -139,6 +139,7 @@ static void __fmm_release(void *address,
 static int _fmm_unmap_from_gpu_scratch(uint32_t gpu_id,
 				       manageble_aperture_t *aperture,
 				       void *address);
+void __attribute__ ((destructor)) fmm_release_global_resources(void);
 
 static vm_area_t *vm_create_and_init_area(void *start, void *end)
 {
@@ -1544,3 +1545,16 @@ bool fmm_get_handle(void *address, uint64_t *handle)
 
 	return found;
 }
+
+void fmm_release_global_resources(void)
+{
+	uint64_t len;
+
+	if (dgpu_shared_aperture_base) {
+		len = (uint64_t)dgpu_shared_aperture_limit
+			- (uint64_t)dgpu_shared_aperture_base + 1;
+		munmap(dgpu_shared_aperture_base, len);
+	}
+	dgpu_shared_aperture_base = NULL;
+	dgpu_shared_aperture_limit = NULL;
+}
diff --git a/projects/rocr-runtime/src/perfctr.c b/projects/rocr-runtime/src/perfctr.c
index 64ab168fda..403ff4ad3e 100644
--- a/projects/rocr-runtime/src/perfctr.c
+++ b/projects/rocr-runtime/src/perfctr.c
@@ -48,6 +48,8 @@ extern int amd_hsa_thunk_lock_fd;
 
 static HsaCounterProperties *counter_props[MAX_NODES] = {NULL};
 
+void __attribute__ ((destructor)) perfctr_release_global_resources(void);
+
 static int blockid2uuid(enum perf_block_id block_id, HSA_UUID *uuid)
 {
     int rc = 0;
@@ -368,3 +370,14 @@ hsaKmtPmcStopTrace(
 
     return HSAKMT_STATUS_SUCCESS;
 }
+
+void perfctr_release_global_resources(void)
+{
+	int i;
+
+	for (i=0; i<MAX_NODES; i++)
+		if (counter_props[i] != NULL) {
+			free(counter_props[i]);
+			counter_props[i] = NULL;
+		}
+}