diff --git a/briar-android/briar-android.iml b/briar-android/briar-android.iml
index 1613f5c83..8cb7b86d6 100644
--- a/briar-android/briar-android.iml
+++ b/briar-android/briar-android.iml
@@ -23,7 +23,7 @@
       </configuration>
     </facet>
   </component>
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="false">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_6" inherit-compiler-output="false">
     <output url="file://$MODULE_DIR$/build/intermediates/classes/debug" />
     <output-test url="file://$MODULE_DIR$/build/intermediates/classes/test/debug" />
     <exclude-output />
diff --git a/briar-android/build.gradle b/briar-android/build.gradle
index 7e0bcbb83..58b6684f5 100644
--- a/briar-android/build.gradle
+++ b/briar-android/build.gradle
@@ -35,4 +35,8 @@ android {
         debug.setRoot('build-types/debug')
         release.setRoot('build-types/release')
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_6
+        targetCompatibility JavaVersion.VERSION_1_6
+    }
 }
diff --git a/briar.iml b/briar.iml
index f2d23be9a..16216bfa2 100644
--- a/briar.iml
+++ b/briar.iml
@@ -8,7 +8,7 @@
       </configuration>
     </facet>
   </component>
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_6" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.gradle" />