diff --git a/param.h b/param.h
index a0d45c573..42f63b4b5 100644
--- a/param.h
+++ b/param.h
@@ -644,9 +644,10 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define CGEMM_DEFAULT_UNROLL_N 2
 #define ZGEMM_DEFAULT_UNROLL_N 2
 #define XGEMM_DEFAULT_UNROLL_N 1
-
+/*
 #define SGEMM_DEFAULT_UNROLL_MN 32
 #define DGEMM_DEFAULT_UNROLL_MN 32
+*/
 #endif
 
 #ifdef ARCH_X86
@@ -1552,9 +1553,10 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define CGEMM_DEFAULT_UNROLL_N 2
 #define ZGEMM_DEFAULT_UNROLL_N 2
 #define XGEMM_DEFAULT_UNROLL_N 1
-
+/*
 #define SGEMM_DEFAULT_UNROLL_MN 32
 #define DGEMM_DEFAULT_UNROLL_MN 32
+*/
 #endif
 
 #ifdef ARCH_X86