diff --git a/bsps/arm/tms570/start/pinmux.c b/bsps/arm/tms570/start/pinmux.c
index d9c52cd00d..9277a36431 100644
--- a/bsps/arm/tms570/start/pinmux.c
+++ b/bsps/arm/tms570/start/pinmux.c
@@ -182,16 +182,6 @@ tms570_bsp_pinmmr_config(const uint32_t *pinmmr_values, int reg_start, int reg_c
   pval = pinmmr_values;
   cnt = reg_count;
 
-  do {
-    *pinmmrx = *pinmmrx & *pval;
-    pinmmrx++;
-    pval++;
-  } while( --cnt );
-
-  pinmmrx = (&TMS570_IOMM.PINMUX.PINMMR0) + reg_start;
-  pval = pinmmr_values;
-  cnt = reg_count;
-
   do {
     *pinmmrx = *pval;
     pinmmrx++;