diff --git a/src/controllers/AnnotationModeController.js b/src/controllers/AnnotationModeController.js
index 17acbc047..0aa12d6c3 100644
--- a/src/controllers/AnnotationModeController.js
+++ b/src/controllers/AnnotationModeController.js
@@ -599,6 +599,21 @@ class AnnotationModeController extends EventEmitter {
         Object.keys(this.annotations).forEach((pageNum) => this.renderPage(pageNum));
     }
 
+    /**
+     * Unregisters and destroys the specified thread
+     *
+     * @param {AnnotationThread} thread thread to destroy
+     * @return {void}
+     */
+    destroyThread(thread: AnnotationThread) {
+        if (!thread) {
+            return;
+        }
+
+        this.unregisterThread(thread);
+        thread.destroy();
+    }
+
     /**
      * Renders annotations from memory for a specified page.
      *
@@ -614,8 +629,7 @@ class AnnotationModeController extends EventEmitter {
         pageThreads.forEach((thread, index) => {
             // Destroy any pending threads that may exist on re-render
             if (thread.state === STATES.pending || thread.id === this.pendingThreadID) {
-                this.unregisterThread(thread);
-                thread.destroy();
+                this.destroyThread(thread);
                 return;
             }
 
@@ -645,10 +659,9 @@ class AnnotationModeController extends EventEmitter {
             const pageThreads = this.annotations[pageNum].all() || [];
             pageThreads.forEach((thread) => {
                 if (thread.state === STATES.pending || thread.id === this.pendingThreadID) {
-                    this.unregisterThread(thread);
+                    this.destroyThread(thread);
                     hadPendingThreads = true;
                     this.pendingThreadID = null;
-                    thread.destroy();
                 }
             });
         });
diff --git a/src/controllers/DrawingModeController.js b/src/controllers/DrawingModeController.js
index 0cd5ed118..2ddc5746a 100644
--- a/src/controllers/DrawingModeController.js
+++ b/src/controllers/DrawingModeController.js
@@ -92,11 +92,7 @@ class DrawingModeController extends AnnotationModeController {
      * @return {void}
      */
     cancelDrawing(): void {
-        if (this.currentThread) {
-            this.unregisterThread(this.currentThread);
-            this.currentThread.destroy();
-        }
-
+        this.destroyThread(this.currentThread);
         this.exit();
     }
 
@@ -307,8 +303,7 @@ class DrawingModeController extends AnnotationModeController {
                     this.unbindListeners();
                     this.bindListeners();
                 } else {
-                    this.unregisterThread(thread);
-                    thread.destroy();
+                    this.destroyThread(thread);
                     this.renderPage(thread.location.page);
                 }
 
diff --git a/src/controllers/PointModeController.js b/src/controllers/PointModeController.js
index e7aaf8449..4041232af 100644
--- a/src/controllers/PointModeController.js
+++ b/src/controllers/PointModeController.js
@@ -64,11 +64,7 @@ class PointModeController extends AnnotationModeController {
         this.annotatedElement.classList.remove(CLASS_ANNOTATION_POINT_MODE);
 
         const thread = this.getThreadByID(this.pendingThreadID);
-        if (thread) {
-            this.unregisterThread(thread);
-            thread.destroy();
-        }
-
+        this.destroyThread(thread);
         this.pendingThreadID = null;
     }