diff --git a/packages/DocumentsUI/src/com/android/documentsui/Events.java b/packages/DocumentsUI/src/com/android/documentsui/Events.java
index c06ea0a257d74..d4c3ba3ba3c3b 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/Events.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/Events.java
@@ -38,9 +38,7 @@ final class Events {
      * Returns true if event was triggered by a finger or stylus touch.
      */
     static boolean isTouchEvent(MotionEvent e) {
-        return isTouchType(e.getToolType(0))
-                // Temporarily work around uiautomator's missing tool type support.
-                || isUnknownType(e.getToolType(0));
+        return isTouchType(e.getToolType(0));
     }
 
     /**
@@ -51,20 +49,13 @@ final class Events {
     }
 
     /**
-     * Returns true if type is finger or stylus.
+     * Returns true if event was triggered by a finger or stylus touch.
      */
     static boolean isTouchType(int toolType) {
         return toolType == MotionEvent.TOOL_TYPE_FINGER
                 || toolType == MotionEvent.TOOL_TYPE_STYLUS;
     }
 
-    /**
-     * Returns true if type is unknown.
-     */
-    static boolean isUnknownType(int toolType) {
-        return toolType == MotionEvent.TOOL_TYPE_UNKNOWN;
-    }
-
     /**
      * Returns true if event was triggered by a finger or stylus touch.
      */