diff --git a/easyexcel-core/src/main/java/com/alibaba/excel/metadata/data/ReadCellData.java b/easyexcel-core/src/main/java/com/alibaba/excel/metadata/data/ReadCellData.java
index 1d3a2a2f..7cb839d8 100644
--- a/easyexcel-core/src/main/java/com/alibaba/excel/metadata/data/ReadCellData.java
+++ b/easyexcel-core/src/main/java/com/alibaba/excel/metadata/data/ReadCellData.java
@@ -1,7 +1,6 @@
 package com.alibaba.excel.metadata.data;
 
 import java.math.BigDecimal;
-import java.time.LocalDateTime;
 
 import com.alibaba.excel.constant.EasyExcelConstants;
 import com.alibaba.excel.enums.CellDataTypeEnum;
diff --git a/easyexcel-core/src/main/java/com/alibaba/excel/util/DateUtils.java b/easyexcel-core/src/main/java/com/alibaba/excel/util/DateUtils.java
index cab7e4d0..90e29143 100644
--- a/easyexcel-core/src/main/java/com/alibaba/excel/util/DateUtils.java
+++ b/easyexcel-core/src/main/java/com/alibaba/excel/util/DateUtils.java
@@ -6,7 +6,6 @@ import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
-import java.time.LocalTime;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
diff --git a/easyexcel-core/src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java b/easyexcel-core/src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java
index 37d91975..7cc23917 100644
--- a/easyexcel-core/src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java
+++ b/easyexcel-core/src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java
@@ -11,7 +11,6 @@ import java.nio.charset.Charset;
 import java.util.HashMap;
 import java.util.Map;
 
-import com.alibaba.excel.enums.CacheLocationEnum;
 import com.alibaba.excel.enums.HolderEnum;
 import com.alibaba.excel.exception.ExcelGenerateException;
 import com.alibaba.excel.metadata.data.DataFormatData;