diff --git a/base/src/user_model/common.rs b/base/src/user_model/common.rs
index d89428a..48cdc4f 100644
--- a/base/src/user_model/common.rs
+++ b/base/src/user_model/common.rs
@@ -659,8 +659,12 @@ impl UserModel {
         Ok(())
     }
 
-    fn clear_column_formatting(&mut self, sheet: u32, column: i32) -> Result<(), String> {
-        let mut diff_list = Vec::new();
+    fn clear_column_formatting(
+        &mut self,
+        sheet: u32,
+        column: i32,
+        diff_list: &mut Vec<Diff>,
+    ) -> Result<(), String> {
         let old_value = self.model.get_column_style(sheet, column)?;
         self.model.delete_column_style(sheet, column)?;
         diff_list.push(Diff::DeleteColumnStyle {
@@ -739,12 +743,15 @@ impl UserModel {
                 }
             }
         }
-        self.push_diff_list(diff_list);
         Ok(())
     }
 
-    fn clear_row_formatting(&mut self, sheet: u32, row: i32) -> Result<(), String> {
-        let mut diff_list = Vec::new();
+    fn clear_row_formatting(
+        &mut self,
+        sheet: u32,
+        row: i32,
+        diff_list: &mut Vec<Diff>,
+    ) -> Result<(), String> {
         let old_value = self.model.get_row_style(sheet, row)?;
         self.model.delete_row_style(sheet, row)?;
         diff_list.push(Diff::DeleteRowStyle {
@@ -791,8 +798,6 @@ impl UserModel {
                 }
             }
         }
-        self.push_diff_list(diff_list);
-
         Ok(())
     }
 
@@ -803,19 +808,21 @@ impl UserModel {
     /// * [UserModel::range_clear_contents]
     pub fn range_clear_formatting(&mut self, range: &Area) -> Result<(), String> {
         let sheet = range.sheet;
+        let mut diff_list = Vec::new();
         if range.row == 1 && range.height == LAST_ROW {
             for column in range.column..range.column + range.width {
-                self.clear_column_formatting(sheet, column)?;
+                self.clear_column_formatting(sheet, column, &mut diff_list)?;
             }
+            self.push_diff_list(diff_list);
             return Ok(());
         }
         if range.column == 1 && range.width == LAST_COLUMN {
             for row in range.row..range.row + range.height {
-                self.clear_row_formatting(sheet, row)?;
+                self.clear_row_formatting(sheet, row, &mut diff_list)?;
             }
+            self.push_diff_list(diff_list);
             return Ok(());
         }
-        let mut diff_list = Vec::new();
         for row in range.row..range.row + range.height {
             for column in range.column..range.column + range.width {
                 if let Some(old_style) = self.model.get_cell_style_or_none(sheet, row, column)? {