diff --git a/source/easymacro/easycalc.py b/source/easymacro/easycalc.py
index 5153660..a7bfa0b 100644
--- a/source/easymacro/easycalc.py
+++ b/source/easymacro/easycalc.py
@@ -794,6 +794,10 @@ class LOCalc(LODocument):
         """Insert new sheet"""
         self._sheets[key] = value
 
+    def __delitem__(self, key):
+        sheet = self._sheets[key]
+        self._sheets.removeByName(sheet.Name)
+
     def __len__(self):
         """Count sheets"""
         return self._sheets.Count