diff --git a/src/Context.ts b/src/Context.ts
index 9edbc2fe..f71a6e51 100644
--- a/src/Context.ts
+++ b/src/Context.ts
@@ -141,8 +141,7 @@ export class Context {
    * @param {Konva.Shape} shape
    */
   fillStrokeShape(shape) {
-    var fillEnabled = shape.getFillEnabled();
-    if (fillEnabled) {
+    if (shape.getFillEnabled()) {
       this._fill(shape);
     }
     if (shape.getStrokeEnabled()) {
diff --git a/src/DragAndDrop.ts b/src/DragAndDrop.ts
index c3955a39..52d9eaa9 100644
--- a/src/DragAndDrop.ts
+++ b/src/DragAndDrop.ts
@@ -93,7 +93,7 @@ export const DD = {
         }
       }
 
-      delete DD.node;
+      DD.node = null;
 
       if (layer || node instanceof getGlobalKonva().Stage) {
         (layer || node).draw();
diff --git a/src/Node.ts b/src/Node.ts
index 5356330e..1f0b862c 100644
--- a/src/Node.ts
+++ b/src/Node.ts
@@ -182,7 +182,7 @@ export abstract class Node {
   _clearSelfAndDescendantCache(attr?) {
     this._clearCache(attr);
 
-    // skip clearing of node is cached with canvas
+    // skip clearing if node is cached with canvas
     if (this._cache.canvas) {
       return;
     }