diff --git a/src/mame/video/xbox_nv2a.cpp b/src/mame/video/xbox_nv2a.cpp
index 86199e84c24..cdc75a5fa4b 100644
--- a/src/mame/video/xbox_nv2a.cpp
+++ b/src/mame/video/xbox_nv2a.cpp
@@ -845,9 +845,6 @@ void vertex_program_simulator::compute_scalar_operation(float t_out[4], int inst
 		t_out[0] = t_out[1] = t_out[2] = t_out[3] = t.f;
 		break;
 	case 4: // "RSQ"
-		/*
-		 *  NOTE: this was abs which is "int abs(int x)" - and changed to fabsf due to clang 3.6 warning
-		 */
 		t_out[0] = t_out[1] = t_out[2] = t_out[3] = 1.0f / sqrtf(fabsf(par_in[p3_C + 0]));
 		break;
 	case 5: // "EXP"
@@ -862,9 +859,6 @@ void vertex_program_simulator::compute_scalar_operation(float t_out[4], int inst
 		t_out[1] = frexp(par_in[p3_C + 0], &e)*2.0; // frexp gives mantissa as 0.5....1
 		t_out[0] = e - 1;
 #ifndef __OS2__
-		/*
-		 *  NOTE: this was abs which is "int abs(int x)" - and changed to fabsf due to clang 3.6 warning
-		 */
 		t.f = log2(fabsf(par_in[p3_C + 0]));
 #else
 		static double log_2 = 0.0;