diff --git a/photoeditor/src/main/java/ja/burhanrashid52/photoeditor/PhotoEditor.kt b/photoeditor/src/main/java/ja/burhanrashid52/photoeditor/PhotoEditor.kt
index 587a0762..6e7dd627 100644
--- a/photoeditor/src/main/java/ja/burhanrashid52/photoeditor/PhotoEditor.kt
+++ b/photoeditor/src/main/java/ja/burhanrashid52/photoeditor/PhotoEditor.kt
@@ -186,19 +186,12 @@ interface PhotoEditor {
      */
     fun undo(): Boolean
 
-    /**
-     * How many undo operations are available.
-     *
-     * @return size of undo stack
-     */
-    val undoStackCount: Int
-
     /**
      * Returns whether any undo operation is available.
      *
      * @return `true` if no undo operations available, `false` otherwise
      */
-    val isUndoAvailable get() = undoStackCount > 0
+    val isUndoAvailable: Boolean
 
     /**
      * Redo the last operation perform on the [PhotoEditor]
@@ -207,19 +200,12 @@ interface PhotoEditor {
      */
     fun redo(): Boolean
 
-    /**
-     * How many redo operations are available.
-     *
-     * @return size of redo stack
-     */
-    val redoStackCount: Int
-
     /**
      * Returns whether any redo operation is available.
      *
      * @return `true` if no redo operations available, `false` otherwise
      */
-    val isRedoAvailable get() = redoStackCount > 0
+    val isRedoAvailable: Boolean
 
     /**
      * Removes all the edited operations performed [PhotoEditorView]
diff --git a/photoeditor/src/main/java/ja/burhanrashid52/photoeditor/PhotoEditorImpl.kt b/photoeditor/src/main/java/ja/burhanrashid52/photoeditor/PhotoEditorImpl.kt
index 37604ee5..8f24ae38 100644
--- a/photoeditor/src/main/java/ja/burhanrashid52/photoeditor/PhotoEditorImpl.kt
+++ b/photoeditor/src/main/java/ja/burhanrashid52/photoeditor/PhotoEditorImpl.kt
@@ -188,13 +188,13 @@ internal class PhotoEditorImpl @SuppressLint("ClickableViewAccessibility") const
         return mGraphicManager.undoView()
     }
 
-    override val undoStackCount: Int get() = viewState.addedViewsCount
+    override val isUndoAvailable get() = viewState.addedViewsCount > 0
 
     override fun redo(): Boolean {
         return mGraphicManager.redoView()
     }
 
-    override val redoStackCount: Int get() = mGraphicManager.redoStackCount
+    override val isRedoAvailable get() = mGraphicManager.redoStackCount > 0
 
     override fun clearAllViews() {
         mBoxHelper.clearAllViews(drawingView)