diff --git a/proxy/socks/protocol/socks_fuzz_test.go b/proxy/socks/protocol/socks_fuzz_test.go
deleted file mode 100644
index c2a730399..000000000
--- a/proxy/socks/protocol/socks_fuzz_test.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package protocol
-
-import (
-	"testing"
-
-	"github.com/v2ray/v2ray-core/testing/fuzzing"
-)
-
-const (
-	Iterations = int(500000)
-)
-
-func TestReadAuthentication(t *testing.T) {
-	for i := 0; i < Iterations; i++ {
-		ReadAuthentication(fuzzing.RandomReader())
-	}
-}
-
-func TestReadUserPassRequest(t *testing.T) {
-	for i := 0; i < Iterations; i++ {
-		ReadUserPassRequest(fuzzing.RandomReader())
-	}
-}
-
-func TestReadRequest(t *testing.T) {
-	for i := 0; i < Iterations; i++ {
-		ReadRequest(fuzzing.RandomReader())
-	}
-}
-
-func TestReadUDPRequest(t *testing.T) {
-	for i := 0; i < Iterations; i++ {
-		ReadUDPRequest(fuzzing.RandomBytes())
-	}
-}
diff --git a/proxy/vmess/protocol/vmess_fuzz_test.go b/proxy/vmess/protocol/vmess_fuzz_test.go
deleted file mode 100644
index 4acad4b66..000000000
--- a/proxy/vmess/protocol/vmess_fuzz_test.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package protocol
-
-import (
-	"testing"
-
-	"github.com/v2ray/v2ray-core/proxy/vmess/protocol/user/testing/mocks"
-	"github.com/v2ray/v2ray-core/testing/fuzzing"
-)
-
-func TestVMessRequestReader(t *testing.T) {
-	reader := NewVMessRequestReader(&mocks.StaticUserSet{})
-	for i := 0; i < 1000000; i++ {
-		reader.Read(fuzzing.RandomReader())
-	}
-}