diff --git a/model.config b/model.config
index d2c259ac111b1ea706d06c860198001cd5cc62a1..469d7bea965c23bd5d7b6b80407ef0293c9d0088 100644
--- a/model.config
+++ b/model.config
@@ -7,3 +7,4 @@ OUTPUT_SHAPE=1,64,64,2
 RUNTIME=gpu
 TUNING_OR_NOT=1
 ANDROID_ABI=armeabi-v7a # Or 'arm64-v8a'
+LIMIT_OPENCL_KERNEL_TIME=1
diff --git a/validate_model.sh b/validate_model.sh
index b58829576eaaee9e7d69a88e46d582d381a25edd..b8cfdaf4c7322df73bdae359f715762cf0952daa 100755
--- a/validate_model.sh
+++ b/validate_model.sh
@@ -78,7 +78,6 @@ build_and_run()
     --copt="-D_GLIBCXX_USE_C99_MATH_TR1" \
     --copt="-Werror=return-type" \
     --copt="-DMACE_MODEL_TAG=${MODEL_TAG}" \
-    --copt="-DMACE_OBFUSCATE_LITERALS" \
     $PRODUCTION_MODE_BUILD_FLAGS \
     --define hexagon=true || exit -1
 
@@ -96,6 +95,7 @@ build_and_run()
     MACE_CPP_MIN_VLOG_LEVEL=$VLOG_LEVEL \
     MACE_RUN_PARAMETER_PATH=${PHONE_DATA_DIR}/mace_run.config \
     MACE_KERNEL_PATH=$KERNEL_DIR \
+    MACE_LIMIT_OPENCL_KERNEL_TIME=${LIMIT_OPENCL_KERNEL_TIME} \
     ${PHONE_DATA_DIR}/mace_run \
     --input_shape="${INPUT_SHAPE}"\
     --output_shape="${OUTPUT_SHAPE}"\