diff --git a/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/FloatLayers.kt b/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/FloatLayers.kt
index cc9855b..5e48010 100644
--- a/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/FloatLayers.kt
+++ b/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/FloatLayers.kt
@@ -1,7 +1,7 @@
 package per.goweii.anylayer.ktx
 
 import android.view.View
-import androidx.annotation.LayoutRes
+import android.support.annotation.LayoutRes
 import per.goweii.anylayer.floats.FloatLayer
 
 fun <T : FloatLayer> T.setFloatView(@LayoutRes layoutId: Int) = this.apply {
diff --git a/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/GuideLayers.kt b/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/GuideLayers.kt
index ba214d5..e2ab05c 100644
--- a/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/GuideLayers.kt
+++ b/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/GuideLayers.kt
@@ -1,9 +1,9 @@
 package per.goweii.anylayer.ktx
 
 import android.view.View
-import androidx.annotation.ColorInt
-import androidx.annotation.ColorRes
-import androidx.annotation.IdRes
+import android.support.annotation.ColorInt
+import android.support.annotation.ColorRes
+import android.support.annotation.IdRes
 import per.goweii.anylayer.Layer
 import per.goweii.anylayer.guide.GuideLayer
 
diff --git a/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/NotificationLayers.kt b/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/NotificationLayers.kt
index cf7fb83..6df19c8 100644
--- a/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/NotificationLayers.kt
+++ b/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/NotificationLayers.kt
@@ -2,9 +2,9 @@ package per.goweii.anylayer.ktx
 
 import android.graphics.drawable.Drawable
 import android.view.View
-import androidx.annotation.DrawableRes
-import androidx.annotation.LayoutRes
-import androidx.annotation.StringRes
+import android.support.annotation.DrawableRes
+import android.support.annotation.LayoutRes
+import android.support.annotation.StringRes
 import per.goweii.anylayer.notification.NotificationLayer
 
 
diff --git a/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/ToastLayers.kt b/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/ToastLayers.kt
index 06d89c1..ca60f80 100644
--- a/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/ToastLayers.kt
+++ b/anylayer-ktx/src/main/java/per/goweii/anylayer/ktx/ToastLayers.kt
@@ -1,10 +1,10 @@
 package per.goweii.anylayer.ktx
 
 import android.graphics.drawable.Drawable
-import androidx.annotation.ColorInt
-import androidx.annotation.ColorRes
-import androidx.annotation.DrawableRes
-import androidx.annotation.StringRes
+import android.support.annotation.ColorInt
+import android.support.annotation.ColorRes
+import android.support.annotation.DrawableRes
+import android.support.annotation.StringRes
 import per.goweii.anylayer.toast.ToastLayer
 
 fun <T : ToastLayer> T.setRemoveOthers(removeOthers: Boolean) = this.apply {