diff --git a/app/src/main/java/protect/card_locker/BarcodeSelectorActivity.java b/app/src/main/java/protect/card_locker/BarcodeSelectorActivity.java
index 9e1c29830..4a9384cd3 100644
--- a/app/src/main/java/protect/card_locker/BarcodeSelectorActivity.java
+++ b/app/src/main/java/protect/card_locker/BarcodeSelectorActivity.java
@@ -191,14 +191,7 @@ public class BarcodeSelectorActivity extends AppCompatActivity
                     public void onGlobalLayout()
                     {
                         Log.d(TAG, "Global layout finished, type: + " + formatType + ", width: " + image.getWidth());
-                        if (Build.VERSION.SDK_INT < 16)
-                        {
-                            image.getViewTreeObserver().removeGlobalOnLayoutListener(this);
-                        }
-                        else
-                        {
-                            image.getViewTreeObserver().removeOnGlobalLayoutListener(this);
-                        }
+                        image.getViewTreeObserver().removeOnGlobalLayoutListener(this);
 
                         Log.d(TAG, "Generating barcode for type " + formatType);
                         BarcodeImageWriterTask task = new BarcodeImageWriterTask(image, cardId, format, text);
diff --git a/app/src/main/java/protect/card_locker/LoyaltyCardEditActivity.java b/app/src/main/java/protect/card_locker/LoyaltyCardEditActivity.java
index 2bb279610..ca15b6a42 100644
--- a/app/src/main/java/protect/card_locker/LoyaltyCardEditActivity.java
+++ b/app/src/main/java/protect/card_locker/LoyaltyCardEditActivity.java
@@ -590,11 +590,7 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
                     new ViewTreeObserver.OnGlobalLayoutListener() {
                         @Override
                         public void onGlobalLayout() {
-                            if (Build.VERSION.SDK_INT < 16) {
-                                barcodeImage.getViewTreeObserver().removeGlobalOnLayoutListener(this);
-                            } else {
-                                barcodeImage.getViewTreeObserver().removeOnGlobalLayoutListener(this);
-                            }
+                            barcodeImage.getViewTreeObserver().removeOnGlobalLayoutListener(this);
 
                             Log.d(TAG, "ImageView size now known");
                             new BarcodeImageWriterTask(barcodeImage, cardId, barcodeFormat).execute();
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3d7ad24fd..ea6d16bd6 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,5 +1,6 @@
 <resources
-    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <string name="app_name" translatable="false">Catima</string>
     <string name="action_search">Search</string>
@@ -69,7 +70,7 @@
     <string name="importOptionApplicationButton">Use external app</string>
 
     <string name="about">About</string>
-    <string name="app_copyright_fmt" translatable="false">Copyright 2019–<xliff:g>%d</xliff:g> Sylvia van Os.</string>
+    <string name="app_copyright_fmt" translatable="false" tools:ignore="PluralsCandidate">Copyright 2019–<xliff:g>%d</xliff:g> Sylvia van Os.</string>
     <string name="app_copyright_old">Based on Loyalty Card Keychain, copyright 2016–2020 Branden Archer.</string>
     <string name="app_license">Copylefted libre software, licensed GPLv3+.</string>
     <string name="about_title_fmt">About <xliff:g id="app_name">%s</xliff:g></string>