diff --git a/vtm-android-example/src/org/oscim/android/test/AtlasThemeActivity.java b/vtm-android-example/src/org/oscim/android/test/AtlasThemeActivity.java
index d0dcb1dd..c5188dc8 100644
--- a/vtm-android-example/src/org/oscim/android/test/AtlasThemeActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/AtlasThemeActivity.java
@@ -1,6 +1,6 @@
 /*
  * Copyright 2017 Longri
- * Copyright 2017 devemux86
+ * Copyright 2017-2018 devemux86
  *
  * This program is free software: you can redistribute it and/or modify it under the
  * terms of the GNU Lesser General Public License as published by the Free Software
@@ -27,4 +27,11 @@ public class AtlasThemeActivity extends SimpleMapActivity {
 
         super.onCreate(savedInstanceState);
     }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+
+        Parameters.TEXTURE_ATLAS = false;
+    }
 }
diff --git a/vtm-android-example/src/org/oscim/android/test/MapsforgePolyLabelActivity.java b/vtm-android-example/src/org/oscim/android/test/MapsforgePolyLabelActivity.java
index 8c2ac434..cc250ed2 100644
--- a/vtm-android-example/src/org/oscim/android/test/MapsforgePolyLabelActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/MapsforgePolyLabelActivity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 devemux86
+ * Copyright 2017-2018 devemux86
  *
  * This program is free software: you can redistribute it and/or modify it under the
  * terms of the GNU Lesser General Public License as published by the Free Software
@@ -26,4 +26,11 @@ public class MapsforgePolyLabelActivity extends MapsforgeMapActivity {
 
         super.onCreate(savedInstanceState);
     }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+
+        Parameters.POLY_LABEL = false;
+    }
 }
diff --git a/vtm-android-example/src/org/oscim/android/test/NewGesturesActivity.java b/vtm-android-example/src/org/oscim/android/test/NewGesturesActivity.java
index 2045c040..599a6e75 100644
--- a/vtm-android-example/src/org/oscim/android/test/NewGesturesActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/NewGesturesActivity.java
@@ -27,7 +27,6 @@ public class NewGesturesActivity extends MarkerOverlayActivity {
     protected void onDestroy() {
         super.onDestroy();
 
-        // Revert gestures for other activities
         Parameters.MAP_EVENT_LAYER2 = false;
     }
 }
diff --git a/vtm-android-example/src/org/oscim/android/test/POTTextureActivity.java b/vtm-android-example/src/org/oscim/android/test/POTTextureActivity.java
index bef12fc1..bacb5ee0 100644
--- a/vtm-android-example/src/org/oscim/android/test/POTTextureActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/POTTextureActivity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 devemux86
+ * Copyright 2017-2018 devemux86
  *
  * This program is free software: you can redistribute it and/or modify it under the
  * terms of the GNU Lesser General Public License as published by the Free Software
@@ -26,4 +26,11 @@ public class POTTextureActivity extends SimpleMapActivity {
 
         super.onCreate(savedInstanceState);
     }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+
+        Parameters.POT_TEXTURES = false;
+    }
 }