diff --git a/src/main/java/com/alibaba/fastjson/parser/deserializer/SqlDateDeserializer.java b/src/main/java/com/alibaba/fastjson/parser/deserializer/SqlDateDeserializer.java
index 4be346256..de8f919e2 100644
--- a/src/main/java/com/alibaba/fastjson/parser/deserializer/SqlDateDeserializer.java
+++ b/src/main/java/com/alibaba/fastjson/parser/deserializer/SqlDateDeserializer.java
@@ -3,7 +3,6 @@ package com.alibaba.fastjson.parser.deserializer;
 import java.lang.reflect.Type;
 import java.text.DateFormat;
 import java.text.ParseException;
-import java.text.SimpleDateFormat;
 import java.util.Date;
 
 import com.alibaba.fastjson.JSONException;
diff --git a/src/main/java/com/alibaba/fastjson/parser/deserializer/TimestampDeserializer.java b/src/main/java/com/alibaba/fastjson/parser/deserializer/TimestampDeserializer.java
index c457eb367..799e2762d 100644
--- a/src/main/java/com/alibaba/fastjson/parser/deserializer/TimestampDeserializer.java
+++ b/src/main/java/com/alibaba/fastjson/parser/deserializer/TimestampDeserializer.java
@@ -4,7 +4,6 @@ import java.lang.reflect.Type;
 import java.sql.Timestamp;
 import java.text.DateFormat;
 import java.text.ParseException;
-import java.text.SimpleDateFormat;
 import java.util.Date;
 
 import com.alibaba.fastjson.JSONException;