diff --git a/F-Droid/ant.properties b/F-Droid/ant.properties
deleted file mode 100644
index e5d868bde..000000000
--- a/F-Droid/ant.properties
+++ /dev/null
@@ -1,3 +0,0 @@
-java.encoding=UTF-8
-java.source=1.7
-java.target=1.7
diff --git a/F-Droid/project.properties b/F-Droid/project.properties
index b37ddfb4e..f9835af26 100644
--- a/F-Droid/project.properties
+++ b/F-Droid/project.properties
@@ -10,3 +10,10 @@ android.library.reference.7=../extern/Support/v7/appcompat
 
 # For java libraries, place symlinks in ../extern/symlinks-for-ant-and-eclipse/
 source.dir=src;../extern/symlinks-for-ant-and-eclipse
+
+# With a target SDK of android-19 (4.4.2/KitKat) and a Java 1.7 compiler, you
+# can use Java 1.7 features like the <> diamond operator, multi-catch, strings
+# in switches, etc. zxing uses the <> operator, so Java 1.7 is required.
+java.encoding=UTF-8
+java.source=1.7
+java.target=1.7