diff --git a/src/common/java/com/minelittlepony/gui/IGUIAction.java b/src/common/java/com/minelittlepony/gui/IGUIAction.java
deleted file mode 100644
index 48aa5efa..00000000
--- a/src/common/java/com/minelittlepony/gui/IGUIAction.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.minelittlepony.gui;
-
-/**
- * Response actions for UI events.
- */
-@FunctionalInterface
-public interface IGUIAction<T> {
-    /**
-     * Performs this action now.
-     *
-     * @param value    New Value of the field being changed
-     * @return Adjusted value the field must take on
-     */
-    T perform(T value);
-}