diff --git a/src/main/java/gregtech/api/mui/StateOverlay.java b/src/main/java/gregtech/api/mui/StateOverlay.java
deleted file mode 100644
index fefdc7fc477..00000000000
--- a/src/main/java/gregtech/api/mui/StateOverlay.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package gregtech.api.mui;
-
-import com.cleanroommc.modularui.api.drawable.IDrawable;
-import com.cleanroommc.modularui.widgets.ToggleButton;
-
-import java.util.function.Consumer;
-
-public interface StateOverlay {
-
-    StateOverlay overlay(boolean selected, IDrawable... overlay);
-
-    StateOverlay hoverOverlay(boolean selected, IDrawable... overlay);
-
-    static ToggleButton cast(ToggleButton button, Consumer<StateOverlay> function) {
-        function.accept((StateOverlay) button);
-        return button;
-    }
-
-    static ToggleButton create(Consumer<StateOverlay> function) {
-        return cast(new ToggleButton(), function);
-    }
-}
diff --git a/src/main/java/gregtech/api/mui/UnboxFix.java b/src/main/java/gregtech/api/mui/UnboxFix.java
deleted file mode 100644
index 48f1bda2f20..00000000000
--- a/src/main/java/gregtech/api/mui/UnboxFix.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package gregtech.api.mui;
-
-public interface UnboxFix {
-
-    void gregTech$useDefaultTextColor(boolean b);
-
-    void gregTech$useDefaultShadow(boolean b);
-}