diff --git a/.gitignore b/.gitignore
index 53079541c..0ee45035e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,12 @@
 *.apk
 *.ap_
 
+# Zim files
+*.zim
+
+# Native libraries
+*.so
+
 # Files for the Dalvik VM
 *.dex
 
@@ -39,4 +45,4 @@ gen-external-apklibs
 
 ic_launcher_512_*.png
 
-glassify
\ No newline at end of file
+glassify
diff --git a/app/src/customexample/jniLibs/arm64-v8a/libcontent.so b/app/src/customexample/jniLibs/arm64-v8a/libcontent.so
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diff --git a/app/src/customexample/jniLibs/armeabi/libcontent.so b/app/src/customexample/jniLibs/armeabi/libcontent.so
deleted file mode 100644
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diff --git a/app/src/customexample/jniLibs/mips/libcontent.so b/app/src/customexample/jniLibs/mips/libcontent.so
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diff --git a/app/src/customexample/jniLibs/mips64/libcontent.so b/app/src/customexample/jniLibs/mips64/libcontent.so
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diff --git a/app/src/customexample/jniLibs/x86/libcontent.so b/app/src/customexample/jniLibs/x86/libcontent.so
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diff --git a/app/src/customexample/jniLibs/x86_64/libcontent.so b/app/src/customexample/jniLibs/x86_64/libcontent.so
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diff --git a/app/src/customexample/wikipedia_fr_test_2017-07.zim b/app/src/customexample/wikipedia_fr_test_2017-07.zim
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