diff --git a/kernel/mips/zscal.c b/kernel/mips/zscal.c
index e76fb1ff1..bca1155c1 100644
--- a/kernel/mips/zscal.c
+++ b/kernel/mips/zscal.c
@@ -63,9 +63,8 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r,FLOAT da_i, F
 				x[ip+1] = da_r * x[ip+1] + da_i * x[ip]   ;
 			}
 		}
-//		if (!isnan(x[ip]) && !isinf(x[ip]))
 		x[ip]   = temp;
-		if ( da_r != da_r ) x[ip] = da_r;
+
 		ip += inc_x2;
 	}
 
diff --git a/kernel/riscv64/zscal_vector.c b/kernel/riscv64/zscal_vector.c
index a943135df..d275b75f8 100644
--- a/kernel/riscv64/zscal_vector.c
+++ b/kernel/riscv64/zscal_vector.c
@@ -59,7 +59,6 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r,FLOAT da_i, F
 
         unsigned int gvl = 0;
         FLOAT_V_T vt, v0, v1;
-
         if(da_r == 0.0 && da_i == 0.0){
                 gvl = VSETVL(n);
                 BLASLONG stride_x = inc_x * 2 * sizeof(FLOAT);
@@ -81,7 +80,6 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r,FLOAT da_i, F
                         j += gvl;
                         ix += inc_x * 2 * gvl;
                 }
-#if 0
         }else if(da_r == 0.0){
                 gvl = VSETVL(n);
                 BLASLONG stride_x = inc_x * 2 * sizeof(FLOAT);
@@ -110,7 +108,6 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r,FLOAT da_i, F
                         VSSEV_FLOAT(&x[ix], stride_x, vt, gvl);
                         VSSEV_FLOAT(&x[ix+1], stride_x, v1, gvl);
                 }
-    #endif
         }else if(da_i == 0.0){
                 gvl = VSETVL(n);
                 BLASLONG stride_x = inc_x * 2 * sizeof(FLOAT);