maps: delete unused var

Change-Id: I3d0c196e2ec139d224d057a954c631251b80e921
Reviewed-on: https://go-review.googlesource.com/c/go/+/496077
Run-TryBot: xie cui <523516579@qq.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>

diff --git a/src/maps/maps_test.go b/src/maps/maps_test.go
index a7a8c10f71fc92262e206a85a31420a5aef99218..bab884ef350c9db4ecb92d8eee0bfbe82517187b 100644 (file)
--- a/src/maps/maps_test.go
+++ b/src/maps/maps_test.go
@@ -234,8 +234,6 @@ func TestCloneWithMapAssign(t *testing.T) {
        }
 }
 
-var keysArr []int
-
 func BenchmarkKeys(b *testing.B) {
        m := make(map[int]int, 1000000)
        for i := 0; i < 1000000; i++ {