diff --git a/app/src/main/java/com/keylesspalace/tusky/components/compose/view/IProgressView.java b/app/src/main/java/com/keylesspalace/tusky/components/compose/view/IProgressView.java
deleted file mode 100644
index 0fdae730..00000000
--- a/app/src/main/java/com/keylesspalace/tusky/components/compose/view/IProgressView.java
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright 2017 Andrew Dawson
- *
- * This file is a part of Tusky.
- *
- * This program is free software; you can redistribute it and/or modify it under the terms of the
- * GNU General Public License as published by the Free Software Foundation; either version 3 of the
- * License, or (at your option) any later version.
- *
- * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- * Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with Tusky; if not,
- * see <http://www.gnu.org/licenses>. */
-
-package com.keylesspalace.tusky.components.compose.view;
-
-public interface IProgressView {
-    public void setProgress(int progress);
-    public void setChecked(boolean checked);
-}
diff --git a/app/src/main/java/com/keylesspalace/tusky/components/compose/view/ProgressImageView.java b/app/src/main/java/com/keylesspalace/tusky/components/compose/view/ProgressImageView.java
index b8f22da7..836d81bd 100644
--- a/app/src/main/java/com/keylesspalace/tusky/components/compose/view/ProgressImageView.java
+++ b/app/src/main/java/com/keylesspalace/tusky/components/compose/view/ProgressImageView.java
@@ -32,7 +32,7 @@ import android.util.AttributeSet;
 import com.keylesspalace.tusky.R;
 import at.connyduck.sparkbutton.helpers.Utils;
 
-public final class ProgressImageView extends AppCompatImageView implements IProgressView {
+public final class ProgressImageView extends AppCompatImageView {
 
     private int progress = -1;
     private final RectF progressRect = new RectF();
@@ -70,7 +70,6 @@ public final class ProgressImageView extends AppCompatImageView implements IProg
         captionDrawable = AppCompatResources.getDrawable(getContext(), R.drawable.spellcheck);
     }
 
-    @Override
     public void setProgress(int progress) {
         this.progress = progress;
         if (progress != -1) {
@@ -81,7 +80,6 @@ public final class ProgressImageView extends AppCompatImageView implements IProg
         invalidate();
     }
 
-    @Override
     public void setChecked(boolean checked) {
         this.markBgPaint.setColor(ContextCompat.getColor(getContext(),
                 checked ? R.color.tusky_blue : R.color.description_marker_unselected));
diff --git a/app/src/main/java/com/keylesspalace/tusky/components/compose/view/ProgressTextView.java b/app/src/main/java/com/keylesspalace/tusky/components/compose/view/ProgressTextView.java
index 331df083..3bdbb3fe 100644
--- a/app/src/main/java/com/keylesspalace/tusky/components/compose/view/ProgressTextView.java
+++ b/app/src/main/java/com/keylesspalace/tusky/components/compose/view/ProgressTextView.java
@@ -32,7 +32,7 @@ import android.util.AttributeSet;
 import com.keylesspalace.tusky.R;
 import at.connyduck.sparkbutton.helpers.Utils;
 
-public final class ProgressTextView extends AppCompatTextView implements IProgressView {
+public final class ProgressTextView extends AppCompatTextView {
 
     private int progress = -1;
     private final RectF progressRect = new RectF();
@@ -70,13 +70,11 @@ public final class ProgressTextView extends AppCompatTextView implements IProgre
         captionDrawable = AppCompatResources.getDrawable(getContext(), R.drawable.spellcheck);
     }
 
-    @Override
     public void setProgress(int progress) {
         this.progress = progress;
         invalidate();
     }
 
-    @Override
     public void setChecked(boolean checked) {
         this.markBgPaint.setColor(ContextCompat.getColor(getContext(),
                 checked ? R.color.tusky_blue : R.color.description_marker_unselected));