diff --git a/app/src/main/java/eu/kanade/tachiyomi/widget/FABAnimationBase.kt b/app/src/main/java/eu/kanade/tachiyomi/widget/FABAnimationBase.kt
deleted file mode 100644
index eaa4201e1b..0000000000
--- a/app/src/main/java/eu/kanade/tachiyomi/widget/FABAnimationBase.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package eu.kanade.tachiyomi.widget
-
-import android.support.design.widget.CoordinatorLayout
-import android.support.design.widget.FloatingActionButton
-import android.support.v4.view.ViewCompat
-import android.view.View
-
-abstract class FABAnimationBase : FloatingActionButton.Behavior() {
-
-    var isAnimatingOut = false
-
-    override fun onStartNestedScroll(coordinatorLayout: CoordinatorLayout, child: FloatingActionButton,
-                                     directTargetChild: View, target: View, axes: Int, type: Int): Boolean {
-        // Ensure we react to vertical scrolling
-        return axes == ViewCompat.SCROLL_AXIS_VERTICAL ||
-                super.onStartNestedScroll(coordinatorLayout, child, directTargetChild, target, axes, type)
-    }
-
-    override fun onNestedScroll(coordinatorLayout: CoordinatorLayout, child: FloatingActionButton,
-                                target: View, dxConsumed: Int, dyConsumed: Int, dxUnconsumed: Int,
-                                dyUnconsumed: Int, type: Int) {
-        super.onNestedScroll(coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed, type)
-        if (dyConsumed > 0 && !isAnimatingOut && child.visibility == View.VISIBLE) {
-            // User scrolled down and the FAB is currently visible -> hide the FAB
-            animateOut(child)
-        } else if (dyConsumed < 0 && child.visibility != View.VISIBLE) {
-            // User scrolled up and the FAB is currently not visible -> show the FAB
-            animateIn(child)
-        }
-    }
-
-    abstract fun animateOut(button: FloatingActionButton)
-    abstract fun animateIn(button: FloatingActionButton)
-}
\ No newline at end of file
diff --git a/app/src/main/java/eu/kanade/tachiyomi/widget/FABAnimationUpDown.kt b/app/src/main/java/eu/kanade/tachiyomi/widget/FABAnimationUpDown.kt
deleted file mode 100644
index e1c4245d27..0000000000
--- a/app/src/main/java/eu/kanade/tachiyomi/widget/FABAnimationUpDown.kt
+++ /dev/null
@@ -1,51 +0,0 @@
-package eu.kanade.tachiyomi.widget
-
-import android.content.Context
-import android.support.design.widget.FloatingActionButton
-import android.support.v4.view.animation.FastOutSlowInInterpolator
-import android.util.AttributeSet
-import android.view.View
-import android.view.animation.Animation
-import android.view.animation.AnimationUtils
-import eu.kanade.tachiyomi.R
-
-@Suppress("unused", "UNUSED_PARAMETER")
-class FABAnimationUpDown @JvmOverloads constructor(ctx: Context, attrs: AttributeSet? = null) : FABAnimationBase() {
-
-    private val INTERPOLATOR = FastOutSlowInInterpolator()
-
-    private val outAnimation by lazy {
-        AnimationUtils.loadAnimation(ctx, R.anim.fab_hide_to_bottom).apply {
-            duration = 200
-            interpolator = INTERPOLATOR
-        }
-    }
-    private val inAnimation by lazy {
-        AnimationUtils.loadAnimation(ctx, R.anim.fab_show_from_bottom).apply {
-            duration = 200
-            interpolator = INTERPOLATOR
-        }
-    }
-
-    override fun animateOut(button: FloatingActionButton) {
-        outAnimation.setAnimationListener(object : Animation.AnimationListener {
-            override fun onAnimationStart(animation: Animation) {
-                isAnimatingOut = true
-            }
-
-            override fun onAnimationEnd(animation: Animation) {
-                isAnimatingOut = false
-                button.visibility = View.INVISIBLE
-            }
-
-            override fun onAnimationRepeat(animation: Animation) {
-            }
-        })
-        button.startAnimation(outAnimation)
-    }
-
-    override fun animateIn(button: FloatingActionButton) {
-        button.visibility = View.VISIBLE
-        button.startAnimation(inAnimation)
-    }
-}
\ No newline at end of file