diff --git a/hutool-crypto/src/test/java/cn/hutool/crypto/BCUtilTest.java b/hutool-crypto/src/test/java/cn/hutool/crypto/BCUtilTest.java
index 68971d361..daf27255f 100644
--- a/hutool-crypto/src/test/java/cn/hutool/crypto/BCUtilTest.java
+++ b/hutool-crypto/src/test/java/cn/hutool/crypto/BCUtilTest.java
@@ -1,6 +1,5 @@
 package cn.hutool.crypto;
 
-import cn.hutool.crypto.BCUtil;
 import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
 import org.bouncycastle.crypto.params.ECPublicKeyParameters;
 import org.junit.Assert;
diff --git a/hutool-crypto/src/test/java/cn/hutool/crypto/KeyUtilTest.java b/hutool-crypto/src/test/java/cn/hutool/crypto/KeyUtilTest.java
index 2ef57eea2..b981799f6 100644
--- a/hutool-crypto/src/test/java/cn/hutool/crypto/KeyUtilTest.java
+++ b/hutool-crypto/src/test/java/cn/hutool/crypto/KeyUtilTest.java
@@ -1,8 +1,5 @@
 package cn.hutool.crypto;
 
-import cn.hutool.crypto.CryptoException;
-import cn.hutool.crypto.GlobalBouncyCastleProvider;
-import cn.hutool.crypto.KeyUtil;
 import org.junit.Assert;
 import org.junit.Ignore;
 import org.junit.Test;
diff --git a/hutool-db/src/test/java/cn/hutool/db/dialect/DialectFactoryTest.java b/hutool-db/src/test/java/cn/hutool/db/dialect/DialectFactoryTest.java
index 519e671a4..8222dcdac 100644
--- a/hutool-db/src/test/java/cn/hutool/db/dialect/DialectFactoryTest.java
+++ b/hutool-db/src/test/java/cn/hutool/db/dialect/DialectFactoryTest.java
@@ -4,9 +4,7 @@ import cn.hutool.core.util.RandomUtil;
 import org.junit.Assert;
 import org.junit.Test;
 
-
 import java.util.HashMap;
-
 import java.util.Map;
 
 import static cn.hutool.db.dialect.DriverNamePool.*;
diff --git a/hutool-json/src/test/java/cn/hutool/json/Issue2365Test.java b/hutool-json/src/test/java/cn/hutool/json/Issue2365Test.java
index b4a55dee1..1e3509e7c 100644
--- a/hutool-json/src/test/java/cn/hutool/json/Issue2365Test.java
+++ b/hutool-json/src/test/java/cn/hutool/json/Issue2365Test.java
@@ -1,6 +1,5 @@
 package cn.hutool.json;
 
-import cn.hutool.json.JSONUtil;
 import lombok.Data;
 import org.junit.Assert;
 import org.junit.Test;
diff --git a/hutool-json/src/test/java/cn/hutool/json/Issue2555Test.java b/hutool-json/src/test/java/cn/hutool/json/Issue2555Test.java
index 88419accc..bc0fd4854 100755
--- a/hutool-json/src/test/java/cn/hutool/json/Issue2555Test.java
+++ b/hutool-json/src/test/java/cn/hutool/json/Issue2555Test.java
@@ -1,9 +1,5 @@
 package cn.hutool.json;
 
-import cn.hutool.json.JSON;
-import cn.hutool.json.JSONConfig;
-import cn.hutool.json.JSONObject;
-import cn.hutool.json.JSONUtil;
 import cn.hutool.json.serialize.JSONDeserializer;
 import cn.hutool.json.serialize.JSONObjectSerializer;
 import lombok.Data;
diff --git a/hutool-json/src/test/java/cn/hutool/json/Issue3051Test.java b/hutool-json/src/test/java/cn/hutool/json/Issue3051Test.java
index aa06ee69f..df89a9a88 100644
--- a/hutool-json/src/test/java/cn/hutool/json/Issue3051Test.java
+++ b/hutool-json/src/test/java/cn/hutool/json/Issue3051Test.java
@@ -10,9 +10,8 @@
  * See the Mulan PSL v2 for more details.
  */
 
-package cn.hutool.json;import cn.hutool.json.JSONConfig;
-import cn.hutool.json.JSONObject;
-import cn.hutool.json.JSONUtil;
+package cn.hutool.json;
+
 import lombok.Data;
 import org.junit.Assert;
 import org.junit.Test;