diff --git a/tools/validate_gcn.sh b/tools/validate_gcn.sh
index 3ba8cfc816609899296cba3ace66066bba05695a..bd0cb6b3e7be434aff2ea65d3378ec36ea061edf 100644
--- a/tools/validate_gcn.sh
+++ b/tools/validate_gcn.sh
@@ -44,7 +44,6 @@ build_and_run()
 
   adb shell "mkdir -p ${PHONE_DATA_DIR}"
   if [ "$EMBED_OPENCL_BINARY" = false ]; then
-    adb shell "rm -rf ${KERNEL_DIR}"
     adb shell "mkdir -p ${KERNEL_DIR}"
     adb push mace/kernels/opencl/cl/. ${KERNEL_DIR}
   fi