diff --git a/changelog/Galoretka_fix-leakybucket-test-duplicate.md b/changelog/Galoretka_fix-leakybucket-test-duplicate.md
new file mode 100644
index 0000000000..57e70c5505
--- /dev/null
+++ b/changelog/Galoretka_fix-leakybucket-test-duplicate.md
@@ -0,0 +1,2 @@
+## Ignored
+- Remove duplicate test case in `container/leaky-bucket/collector_test.go` to reduce redundancy. (#15672)
diff --git a/container/leaky-bucket/collector_test.go b/container/leaky-bucket/collector_test.go
index 5fa508b86b..3a39117953 100644
--- a/container/leaky-bucket/collector_test.go
+++ b/container/leaky-bucket/collector_test.go
@@ -141,7 +141,6 @@ func TestCollector(t *testing.T) {
 	setElapsed(0)
 
 	tests := []testSet{
-		collectorSimple,
 		collectorSimple,
 		collectorVaried,
 	}