diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/adapters/PasswordTypesAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/adapters/PasswordTypesAdapter.kt
index 311c14815..ca462f8b6 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/adapters/PasswordTypesAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/adapters/PasswordTypesAdapter.kt
@@ -6,9 +6,10 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import com.simplemobiletools.gallery.R
+import com.simplemobiletools.gallery.interfaces.HashListener
 import com.simplemobiletools.gallery.views.PatternTab
 
-class PasswordTypesAdapter(val context: Context, val requiredHash: String, val hashListener: PatternTab.HashListener) : PagerAdapter() {
+class PasswordTypesAdapter(val context: Context, val requiredHash: String, val hashListener: HashListener) : PagerAdapter() {
 
     override fun instantiateItem(container: ViewGroup, position: Int): Any {
         val view = LayoutInflater.from(context).inflate(layoutSelection(position), container, false)
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/dialogs/SecurityDialog.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/dialogs/SecurityDialog.kt
index 55d0064d5..1f9cbd59c 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/dialogs/SecurityDialog.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/dialogs/SecurityDialog.kt
@@ -9,11 +9,11 @@ import com.simplemobiletools.gallery.R
 import com.simplemobiletools.gallery.activities.SimpleActivity
 import com.simplemobiletools.gallery.adapters.PasswordTypesAdapter
 import com.simplemobiletools.gallery.extensions.config
+import com.simplemobiletools.gallery.interfaces.HashListener
 import com.simplemobiletools.gallery.views.MyDialogViewPager
-import com.simplemobiletools.gallery.views.PatternTab
 import kotlinx.android.synthetic.main.dialog_security.view.*
 
-class SecurityDialog(val activity: SimpleActivity, val requiredHash: String, val callback: (hash: String) -> Unit) : PatternTab.HashListener {
+class SecurityDialog(val activity: SimpleActivity, val requiredHash: String, val callback: (hash: String) -> Unit) : HashListener {
     var dialog: AlertDialog? = null
     val view = LayoutInflater.from(activity).inflate(R.layout.dialog_security, null)
 
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/interfaces/HashListener.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/interfaces/HashListener.kt
new file mode 100644
index 000000000..e8145070c
--- /dev/null
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/interfaces/HashListener.kt
@@ -0,0 +1,5 @@
+package com.simplemobiletools.gallery.interfaces
+
+interface HashListener {
+    fun receivedHash(hash: String)
+}
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/views/PatternTab.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/views/PatternTab.kt
index b2a6e0239..304974d98 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/views/PatternTab.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/views/PatternTab.kt
@@ -11,6 +11,7 @@ import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.extensions.updateTextColors
 import com.simplemobiletools.gallery.R
 import com.simplemobiletools.gallery.extensions.config
+import com.simplemobiletools.gallery.interfaces.HashListener
 import kotlinx.android.synthetic.main.tab_pattern.view.*
 
 class PatternTab(context: Context, attrs: AttributeSet) : RelativeLayout(context, attrs) {
@@ -70,8 +71,4 @@ class PatternTab(context: Context, attrs: AttributeSet) : RelativeLayout(context
             }
         }
     }
-
-    interface HashListener {
-        fun receivedHash(hash: String)
-    }
 }