diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java
index b57f579..8ffae7c 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java
@@ -171,14 +171,16 @@
     // 描画クリア
     public void clearCanvas() {
         paintViewModel.deleteStrokesRequest();
-        for (int i = 0; i < paths.toArray().length; i++) {
-            paths.get(i).reset();
-            //paints.clear();
-        }
+        paths.clear();
         path.reset();
+        paints.clear();
+        clonepaths.clear();
+        clonepaints.clear();
+        clonepath.reset();
+        invalidate();
         //clonepath.reset();
         //latestpath.reset();
-        invalidate();
+        //invalidate();
     }
 
     //-----------------------------------------------------------------