diff --git a/profoil_canvas.py b/profoil_canvas.py
index dbecb12..abef0a0 100644
--- a/profoil_canvas.py
+++ b/profoil_canvas.py
@@ -189,11 +189,11 @@ def clear_axes(self):
         """
         clears all axes data such that new session with new airfoil can be loaded.
         """
-        self.ue_ax.lines=[]
-        self.ue_ax.collections=[]
+        self.ue_ax.clear()
+        # self.ue_ax.collections=[]
 
-        self.xy_ax.lines=[]
-        self.xy_ax.collections=[]
+        self.xy_ax.clear()
+        # self.xy_ax.collections=[]
 
         self.clear_an_ax()
 
@@ -729,4 +729,4 @@ def save_airfoil(self, out_file):
         file_path = Path(out_file)
         file_path.parent.mkdir(parents=True, exist_ok=True)
         with file_path.open("w") as f:
-            f.write(Path(WORKDIR/"profoil.in").open().read())
\ No newline at end of file
+            f.write(Path(WORKDIR/"profoil.in").open().read())