diff --git a/kernel/x86_64/cgemv_n_4.c b/kernel/x86_64/cgemv_n_4.c
index 14cc9fe09..770c955b2 100644
--- a/kernel/x86_64/cgemv_n_4.c
+++ b/kernel/x86_64/cgemv_n_4.c
@@ -298,8 +298,8 @@ printf("%s %d %d %.16f %.16f %d %d %d\n","zgemv_n",m,n,alpha_r,alpha_i,lda,inc_x
 			if ( n2 & 1 )
 			{
 				cgemv_kernel_4x1(NB,a_ptr,x_ptr,ybuffer);
-				x_ptr += 2;	
-				a_ptr += lda;
+				/* x_ptr += 2;	
+				a_ptr += lda; */
 
 			}
 		}
diff --git a/kernel/x86_64/cgemv_t_4.c b/kernel/x86_64/cgemv_t_4.c
index 3dc19dc4e..d75e58fdd 100644
--- a/kernel/x86_64/cgemv_t_4.c
+++ b/kernel/x86_64/cgemv_t_4.c
@@ -300,8 +300,8 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha_r, FLOAT alpha_i,
 			if ( n2 & 1 )
 			{
 				cgemv_kernel_4x1(NB,a_ptr,xbuffer,y_ptr,alpha);
-				a_ptr += lda;
-				y_ptr += 2;
+				/* a_ptr += lda;
+				y_ptr += 2; */
 
 			}
 
diff --git a/kernel/x86_64/sgemv_n_4.c b/kernel/x86_64/sgemv_n_4.c
index 60074d3d9..fd028964b 100644
--- a/kernel/x86_64/sgemv_n_4.c
+++ b/kernel/x86_64/sgemv_n_4.c
@@ -392,8 +392,8 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *a, BLASLO
 			if ( n2 & 1 )
 			{
 				sgemv_kernel_4x1(NB,a_ptr,x_ptr,ybuffer,&alpha);
-				a_ptr += lda;
-				x_ptr += 1;	
+				/* a_ptr += lda;
+				x_ptr += 1a; */
 
 			}
 
diff --git a/kernel/x86_64/sgemv_t_4.c b/kernel/x86_64/sgemv_t_4.c
index 6f9c7caa0..f04d461f7 100644
--- a/kernel/x86_64/sgemv_t_4.c
+++ b/kernel/x86_64/sgemv_t_4.c
@@ -406,9 +406,9 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *a, BLASLO
 		{
 
 			sgemv_kernel_4x1(NB,a_ptr,xbuffer,ybuffer);
-			a_ptr  += lda;
+			// a_ptr  += lda;
 			*y_ptr += ybuffer[0] * alpha;
-			y_ptr  += inc_y;
+			// y_ptr  += inc_y;
 
 		}
 		a += NB;
diff --git a/kernel/x86_64/zgemv_n_4.c b/kernel/x86_64/zgemv_n_4.c
index 2d7fd5798..f6f88155c 100644
--- a/kernel/x86_64/zgemv_n_4.c
+++ b/kernel/x86_64/zgemv_n_4.c
@@ -300,8 +300,8 @@ printf("%s %d %d %.16f %.16f %d %d %d\n","zgemv_n",m,n,alpha_r,alpha_i,lda,inc_x
 			if ( n2 & 1 )
 			{
 				zgemv_kernel_4x1(NB,a_ptr,x_ptr,ybuffer);
-				x_ptr += 2;	
-				a_ptr += lda;
+				/* x_ptr += 2;	
+				a_ptr += lda; */
 
 			}
 		}
diff --git a/kernel/x86_64/zgemv_t_4.c b/kernel/x86_64/zgemv_t_4.c
index c4a38202b..3e4b7d5df 100644
--- a/kernel/x86_64/zgemv_t_4.c
+++ b/kernel/x86_64/zgemv_t_4.c
@@ -302,8 +302,8 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha_r, FLOAT alpha_i,
 			if ( n2 & 1 )
 			{
 				zgemv_kernel_4x1(NB,a_ptr,xbuffer,y_ptr,alpha);
-				a_ptr += lda;
-				y_ptr += 2;
+				/* a_ptr += lda;
+				y_ptr += 2; */
 
 			}