diff --git a/src/testing/testing.go b/src/testing/testing.go
index 471046e89d..5b0a33f28d 100644
--- a/src/testing/testing.go
+++ b/src/testing/testing.go
@@ -345,7 +345,6 @@
 //
 //	func TestGroupedParallel(t *testing.T) {
 //	    for _, tc := range tests {
-//	        tc := tc // capture range variable
 //	        t.Run(tc.Name, func(t *testing.T) {
 //	            t.Parallel()
 //	            ...