diff --git a/OpenCL/m29100_a3-pure.cl b/OpenCL/m29100_a3-pure.cl
index 3d3f096ef..5ad364e1b 100644
--- a/OpenCL/m29100_a3-pure.cl
+++ b/OpenCL/m29100_a3-pure.cl
@@ -3,7 +3,7 @@
  * License.....: MIT
  */
 
-#define NEW_SIMD_CODE
+//#define NEW_SIMD_CODE
 
 #ifdef KERNEL_STATIC
 #include M2S(INCLUDE_PATH/inc_vendor.h)