diff --git a/projects/clr/rocclr/device/rocm/rocdevice.cpp b/projects/clr/rocclr/device/rocm/rocdevice.cpp
index aea8c403c7..f15fc0449f 100755
--- a/projects/clr/rocclr/device/rocm/rocdevice.cpp
+++ b/projects/clr/rocclr/device/rocm/rocdevice.cpp
@@ -906,7 +906,8 @@ hsa_status_t Device::iterateGpuMemoryPoolCallback(hsa_amd_memory_pool_t pool, vo
           if (tmp == HSA_AMD_MEMORY_POOL_ACCESS_NEVER_ALLOWED) {
             dev->info_.largeBar_ = false;
           } else {
-            dev->info_.largeBar_ = true;
+            // Disable smallCopy optimization for now
+            dev->info_.largeBar_ = false;
           }
         }