diff --git a/src/lib/viewers/BaseViewer.js b/src/lib/viewers/BaseViewer.js
index c67052169..ac69cda63 100644
--- a/src/lib/viewers/BaseViewer.js
+++ b/src/lib/viewers/BaseViewer.js
@@ -648,6 +648,17 @@ class BaseViewer extends EventEmitter {
         }
     }
 
+    /**
+     * Returns click handler for toggling annotation mode.
+     * TODO(@spramod): Remove this method after refactor
+     *
+     * @param {string} mode - Target annotation mode
+     * @return {Function|null} Click handler
+     */
+    getAnnotationModeClickHandler(mode) {
+        return this.annotator.getAnnotationModeClickHandler(mode);
+    }
+
     /**
      * Initializes annotations.
      *