diff --git a/context_test.go b/context_test.go
index 9243a852..7f364286 100644
--- a/context_test.go
+++ b/context_test.go
@@ -3131,7 +3131,7 @@ func TestRemoteIPFail(t *testing.T) {
 	c.Request.RemoteAddr = "[:::]:80"
 	ip, err := netip.ParseAddr(c.RemoteIP())
 	trust := c.engine.isTrustedProxy(ip)
-	assert.NotNil(t, err)
+	require.Error(t, err)
 	assert.False(t, trust)
 }
 
diff --git a/gin_test.go b/gin_test.go
index a5c899bd..fe6bbdfd 100644
--- a/gin_test.go
+++ b/gin_test.go
@@ -970,14 +970,6 @@ func TestPrepareTrustedCIRDsWith(t *testing.T) {
 	}
 }
 
-func parseCIDR(cidr string) netip.Prefix {
-	prefix, err := netip.ParsePrefix(cidr)
-	if err != nil {
-		fmt.Println(err)
-	}
-	return prefix.Masked()
-}
-
 func assertRoutePresent(t *testing.T, gotRoutes RoutesInfo, wantRoute RouteInfo) {
 	for _, gotRoute := range gotRoutes {
 		if gotRoute.Path == wantRoute.Path && gotRoute.Method == wantRoute.Method {