diff --git a/vlib/v/gen/c/comptime.v b/vlib/v/gen/c/comptime.v
index 393e9424a9..ff8a1ca2ec 100644
--- a/vlib/v/gen/c/comptime.v
+++ b/vlib/v/gen/c/comptime.v
@@ -192,7 +192,6 @@ fn (mut g Gen) comp_if(node ast.IfExpr) {
 	if !node.is_expr && !node.has_else && node.branches.len == 1 {
 		if node.branches[0].stmts.len == 0 {
 			// empty ifdef; result of target OS != conditional => skip
-			g.write('/*empty $ if*/')
 			return
 		}
 		if !g.pref.output_cross_c {