diff --git a/libgralloc/alloc_controller.cpp b/libgralloc/alloc_controller.cpp
index ebd7e98..20f7973 100644
--- a/libgralloc/alloc_controller.cpp
+++ b/libgralloc/alloc_controller.cpp
@@ -76,8 +76,7 @@
 static bool useUncached(int usage)
 {
     // System heaps cannot be uncached
-    if(usage & (GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP |
-                GRALLOC_USAGE_PRIVATE_IOMMU_HEAP))
+    if(usage & GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP)
         return false;
     if (usage & GRALLOC_USAGE_PRIVATE_UNCACHED)
         return true;