diff --git a/app/src/main/java/com/philliphsu/clock2/editalarm/GridLayoutNumpad.java b/app/src/main/java/com/philliphsu/clock2/editalarm/GridLayoutNumpad.java
index 26c2a71..3e242d3 100644
--- a/app/src/main/java/com/philliphsu/clock2/editalarm/GridLayoutNumpad.java
+++ b/app/src/main/java/com/philliphsu/clock2/editalarm/GridLayoutNumpad.java
@@ -132,6 +132,7 @@ public abstract class GridLayoutNumpad extends GridLayout implements View.OnClic
     }
 
     // TODO: Why do we need this?
+    @Deprecated
     public void delete(int at) {
         if (at - 1 >= 0) {
             mInput[at - 1] = UNMODIFIED;
@@ -140,10 +141,11 @@ public abstract class GridLayoutNumpad extends GridLayout implements View.OnClic
         }
     }
 
-    public final void clear() {
+    public final boolean clear() {
         Arrays.fill(mInput, UNMODIFIED);
         mCount = 0;
         onDigitsCleared();
+        return true;
     }
 
     /**
diff --git a/app/src/main/java/com/philliphsu/clock2/editalarm/NumpadTimePicker.java b/app/src/main/java/com/philliphsu/clock2/editalarm/NumpadTimePicker.java
index 6d83d40..b4c1dc1 100644
--- a/app/src/main/java/com/philliphsu/clock2/editalarm/NumpadTimePicker.java
+++ b/app/src/main/java/com/philliphsu/clock2/editalarm/NumpadTimePicker.java
@@ -226,11 +226,7 @@ public class NumpadTimePicker extends GridLayoutNumpad implements TimePicker {
     }
 
     @OnClick({ R.id.leftAlt, R.id.rightAlt })
-    void onClick(Button altBtn) {
-        onAltButtonClick(altBtn);
-    }
-
-    private void onAltButtonClick(Button altBtn) {
+    void onAltButtonClick(Button altBtn) {
         if (mAltButtons[0] != altBtn && mAltButtons[1] != altBtn)
             throw new IllegalArgumentException("Not called with one of the alt buttons");