diff --git a/config/zen/bli_family_zen.h b/config/zen/bli_family_zen.h
index 31e1d2dd7..01544e8b5 100644
--- a/config/zen/bli_family_zen.h
+++ b/config/zen/bli_family_zen.h
@@ -42,7 +42,7 @@
 #define BLIS_DEFAULT_MR_THREAD_MAX 1
 #define BLIS_DEFAULT_NR_THREAD_MAX 1
 
-//#define BLIS_ENABLE_ZEN_BLOCK_SIZES
+
 #define BLIS_ENABLE_SMALL_MATRIX
 #define BLIS_ENABLE_SMALL_MATRIX_TRSM