diff --git a/.gitignore b/.gitignore
index a489e5d7b15bc..b33ca8c7fbe77 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,23 +11,8 @@ junitvmwatcher*.properties
 test-output/
 .*.swp
 common/build
-firefox/build
-htmlunit/build
-jobbie/build
-selenium/build
-support/build
-iphone/lib/buildtime-src/cocoahttpserver/build/CocoaHTTPServerLibrary.build/Release-iphonesimulator/CocoaHTTPServer.build
-iphone/lib/buildtime-src/build/
-iphone/build/
-iphone/src/objc/atoms.h
 /build/
-android/client/bin/
-android/server/bin/
-android/gen/org/openqa/selenium/android/app/BuildConfig.java
-android/gen/org/openqa/selenium/android/app/Manifest.java
-android/gen/org/openqa/selenium/android/app/R.java
 cpp/iedriver/IEReturnTypes.h
-java/org/openqa/selenium/ie/IeReturnTypes.java
 java/client/src/org/openqa/selenium/ie/IeReturnTypes.java
 javascript/deps.js
 .idea/vcs.xml
@@ -37,24 +22,9 @@ javascript/deps.js
 .idea/scopes/
 out
 cpp/IEDriver/sizzle.h
-third_party/gecko-2/linux
-third_party/gecko-2/linux64
-third_party/gecko-2/win32
-third_party/gecko-1.9.2/linux
-third_party/gecko-1.9.2/win32
-third_party/gecko-5/linux
-third_party/gecko-5/linux64
-third_party/gecko-5/win32
-third_party/gecko-6
-third_party/gecko-7
-third_party/gecko-8
 third_party/gecko-*
 cpp/iedriver/Generated/atoms.h
 chromedriver.log
-android/libs
-android/bin
-android/local.properties
-android/proguard.cfg
 junit*.properties
 WebDriver.suo
 WebDriver.sln.cache