diff --git a/binder/cookie_test.go b/binder/cookie_test.go
index c26395b40a..5f6d84e724 100644
--- a/binder/cookie_test.go
+++ b/binder/cookie_test.go
@@ -62,6 +62,9 @@ func Benchmark_CookieBinder_Bind(b *testing.B) {
 	var user User
 
 	req := fasthttp.AcquireRequest()
+	b.Cleanup(func() {
+		fasthttp.ReleaseRequest(req)
+	})
 
 	req.Header.SetCookie("name", "john")
 	req.Header.SetCookie("age", "42")
diff --git a/binder/form_test.go b/binder/form_test.go
index c8b16ef44e..a146b74dcf 100644
--- a/binder/form_test.go
+++ b/binder/form_test.go
@@ -133,13 +133,16 @@ func Benchmark_FormBinder_BindMultipart(b *testing.B) {
 	}
 
 	type User struct {
-		Name  string   `query:"name"`
-		Posts []string `query:"posts"`
-		Age   int      `query:"age"`
+		Name  string   `form:"name"`
+		Posts []string `form:"posts"`
+		Age   int      `form:"age"`
 	}
 	var user User
 
 	req := fasthttp.AcquireRequest()
+	b.Cleanup(func() {
+		fasthttp.ReleaseRequest(req)
+	})
 
 	buf := &bytes.Buffer{}
 	mw := multipart.NewWriter(buf)
diff --git a/binder/header_test.go b/binder/header_test.go
index 3bf2632f43..d1b96a098a 100644
--- a/binder/header_test.go
+++ b/binder/header_test.go
@@ -62,6 +62,10 @@ func Benchmark_HeaderBinder_Bind(b *testing.B) {
 	var user User
 
 	req := fasthttp.AcquireRequest()
+	b.Cleanup(func() {
+		fasthttp.ReleaseRequest(req)
+	})
+
 	req.Header.Set("name", "john")
 	req.Header.Set("age", "42")
 	req.Header.Set("posts", "post1,post2,post3")
diff --git a/binder/query_test.go b/binder/query_test.go
index 60d821f240..aa4c687a6a 100644
--- a/binder/query_test.go
+++ b/binder/query_test.go
@@ -63,6 +63,10 @@ func Benchmark_QueryBinder_Bind(b *testing.B) {
 	var user User
 
 	req := fasthttp.AcquireRequest()
+	b.Cleanup(func() {
+		fasthttp.ReleaseRequest(req)
+	})
+
 	req.URI().SetQueryString("name=john&age=42&posts=post1,post2,post3")
 
 	var err error