diff --git a/reflect/reflect_test.go b/reflect/reflect_test.go
deleted file mode 100644
index f02be3e..0000000
--- a/reflect/reflect_test.go
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package reflect_test
-
-import (
-	"fmt"
-	"reflect"
-	"testing"
-)
-
-// BenchmarkMap is a copy of reflect_test.BenchmarkMap from the Go standard
-// library, placed here for basic benchmarking testing.
-func BenchmarkMap(b *testing.B) {
-	type V *int
-	value := reflect.ValueOf((V)(nil))
-	stringKeys := []string{}
-	mapOfStrings := map[string]V{}
-	uint64Keys := []uint64{}
-	mapOfUint64s := map[uint64]V{}
-	for i := 0; i < 100; i++ {
-		stringKey := fmt.Sprintf("key%d", i)
-		stringKeys = append(stringKeys, stringKey)
-		mapOfStrings[stringKey] = nil
-
-		uint64Key := uint64(i)
-		uint64Keys = append(uint64Keys, uint64Key)
-		mapOfUint64s[uint64Key] = nil
-	}
-
-	tests := []struct {
-		label          string
-		m, keys, value reflect.Value
-	}{
-		{"StringKeys", reflect.ValueOf(mapOfStrings), reflect.ValueOf(stringKeys), value},
-		{"Uint64Keys", reflect.ValueOf(mapOfUint64s), reflect.ValueOf(uint64Keys), value},
-	}
-
-	for _, tt := range tests {
-		b.Run(tt.label, func(b *testing.B) {
-			b.Run("MapIndex", func(b *testing.B) {
-				b.ReportAllocs()
-				for i := 0; i < b.N; i++ {
-					for j := tt.keys.Len() - 1; j >= 0; j-- {
-						tt.m.MapIndex(tt.keys.Index(j))
-					}
-				}
-			})
-			b.Run("SetMapIndex", func(b *testing.B) {
-				b.ReportAllocs()
-				for i := 0; i < b.N; i++ {
-					for j := tt.keys.Len() - 1; j >= 0; j-- {
-						tt.m.SetMapIndex(tt.keys.Index(j), tt.value)
-					}
-				}
-			})
-		})
-	}
-}