--- a/mobile/android/base/AndroidManifest.xml.in
+++ b/mobile/android/base/AndroidManifest.xml.in
@@ -41,17 +41,20 @@
 
 #ifdef MOZ_NATIVE_DEVICES
         <!-- This resources comes from Google Play Services. Required for casting support. -->
         <meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version" />
 #endif
 
         <!-- This activity handles all incoming Intents and dispatches them to other activities. -->
         <activity android:name="org.mozilla.gecko.LauncherActivity"
-            android:theme="@android:style/Theme.Translucent.NoTitleBar" />
+            android:theme="@android:style/Theme.Translucent.NoTitleBar"
+            android:relinquishTaskIdentity="true"
+            android:taskAffinity=""
+            android:excludeFromRecents="true" />
 
         <!-- Fennec is shipped as the Android package named
              org.mozilla.{fennec,firefox,firefox_beta}.  The internal Java
              package hierarchy inside the Android package used to have an
              org.mozilla.{fennec,firefox,firefox_beta} subtree *and* an
              org.mozilla.gecko subtree; it now only has org.mozilla.gecko. -->
         <activity android:name="@MOZ_ANDROID_BROWSER_INTENT_CLASS@"
                   android:label="@string/moz_app_displayname"

--- a/mobile/android/base/java/org/mozilla/gecko/LauncherActivity.java
+++ b/mobile/android/base/java/org/mozilla/gecko/LauncherActivity.java
@@ -64,30 +64,41 @@ public class LauncherActivity extends Ac
 
     /**
      * Launch the browser activity.
      */
     private void dispatchNormalIntent() {
         Intent intent = new Intent(getIntent());
         intent.setClassName(getApplicationContext(), AppConstants.MOZ_ANDROID_BROWSER_INTENT_CLASS);
 
-        // Explicitly remove the new task and clear task flags (Our browser activity is a single
-        // task activity and we never want to start a second task here). See bug 1280112.
-        intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_NEW_TASK);
-        intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_CLEAR_TASK);
+        filterFlags(intent);
 
         startActivity(intent);
     }
 
     private void dispatchCustomTabsIntent() {
         Intent intent = new Intent(getIntent());
         intent.setClassName(getApplicationContext(), CustomTabsActivity.class.getName());
+
+        filterFlags(intent);
+
         startActivity(intent);
     }
 
+    private static void filterFlags(Intent intent) {
+        // Explicitly remove the new task and clear task flags (Our browser activity is a single
+        // task activity and we never want to start a second task here). See bug 1280112.
+        intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_NEW_TASK);
+        intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_CLEAR_TASK);
+
+        // LauncherActivity is started with the "exclude from recents" flag (set in manifest). We do
+        // not want to propagate this flag from the launcher activity to the browser.
+        intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
+    }
+
     private static boolean isViewIntentWithURL(@NonNull final SafeIntent safeIntent) {
         return Intent.ACTION_VIEW.equals(safeIntent.getAction())
                 && safeIntent.getDataString() != null;
     }
 
     private static boolean isCustomTabsIntent(@NonNull final SafeIntent safeIntent) {
         return isViewIntentWithURL(safeIntent)
                 && safeIntent.hasExtra(CustomTabsIntent.EXTRA_SESSION);