diff --git a/frame/3/gemm/ukernels/bli_gemm_ref_mxn.c b/frame/3/gemm/ukernels/bli_gemm_ref_mxn.c
index 0ca72ab61..d0545bf4f 100644
--- a/frame/3/gemm/ukernels/bli_gemm_ref_mxn.c
+++ b/frame/3/gemm/ukernels/bli_gemm_ref_mxn.c
@@ -47,8 +47,8 @@ void PASTEMAC(ch,varname)( \
                            ctype* restrict c, inc_t rs_c, inc_t cs_c \
                          ) \
 { \
-	const dim_t     MR    = PASTEMAC2(ch,varname,_mr); \
-	const dim_t     NR    = PASTEMAC2(ch,varname,_nr); \
+	const dim_t     MR    = PASTEMAC(ch,mr); \
+	const dim_t     NR    = PASTEMAC(ch,nr); \
 \
 	const dim_t     m     = MR; \
 	const dim_t     n     = NR; \
diff --git a/frame/3/gemm/ukernels/bli_gemm_ref_mxn.h b/frame/3/gemm/ukernels/bli_gemm_ref_mxn.h
index ca91158c5..6a85ca9ec 100644
--- a/frame/3/gemm/ukernels/bli_gemm_ref_mxn.h
+++ b/frame/3/gemm/ukernels/bli_gemm_ref_mxn.h
@@ -33,22 +33,6 @@
 */
 
 
-//
-// Define micro-kernel blocksizes.
-//
-#define bli_sgemm_ref_mxn_mr   BLIS_DEFAULT_MR_S
-#define bli_sgemm_ref_mxn_nr   BLIS_DEFAULT_NR_S
-
-#define bli_dgemm_ref_mxn_mr   BLIS_DEFAULT_MR_D
-#define bli_dgemm_ref_mxn_nr   BLIS_DEFAULT_NR_D
-
-#define bli_cgemm_ref_mxn_mr   BLIS_DEFAULT_MR_C
-#define bli_cgemm_ref_mxn_nr   BLIS_DEFAULT_NR_C
-
-#define bli_zgemm_ref_mxn_mr   BLIS_DEFAULT_MR_Z
-#define bli_zgemm_ref_mxn_nr   BLIS_DEFAULT_NR_Z
-
-
 //
 // Prototype micro-kernel interfaces.
 //