diff --git a/.gitmodules b/.gitmodules
index 48eed570a2d..2b613359cb6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "src/rust-sdl"]
-	path = src/rust-sdl
-	url = git://github.com/brson/rust-sdl.git
 [submodule "src/rust-azure"]
 	path = src/rust-azure
 	url = git://github.com/brson/rust-azure.git
@@ -13,15 +10,9 @@
 [submodule "src/rust-mozjs"]
 	path = src/rust-mozjs
 	url = git://github.com/brson/rust-mozjs.git
-[submodule "src/harfbuzz"]
-	path = src/harfbuzz
-	url = git://github.com/brson/harfbuzz-servo.git
 [submodule "src/rust-harfbuzz"]
 	path = src/rust-harfbuzz
 	url = git://github.com/brson/rust-harfbuzz.git
-[submodule "src/ragel"]
-	path = src/ragel
-	url = git://github.com/brson/ragel-dist.git
 [submodule "src/rust-stb-image"]
 	path = src/rust-stb-image
 	url = git://github.com/pcwalton/rust-stb-image.git
diff --git a/Makefile.in b/Makefile.in
index 2ea005d25ab..c591a969d6c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -21,7 +21,6 @@ RUSTLIBS = \
 	-L src/rust-harfbuzz \
 	-L src/rust-mozjs \
 	-L src/rust-azure \
-	-L src/rust-sdl \
 	-L src/rust-cocoa \
 	-L src/rust-stb-image \
 	-L src/rust-geom \
@@ -63,7 +62,6 @@ SERVO_DEPS += \
 	src/rust-harfbuzz/libharfbuzz.dummy \
 	src/rust-mozjs/libmozjs.dummy \
 	src/rust-azure/libazure.dummy \
-	src/rust-sdl/libsdl.dummy \
 	src/rust-stb-image/libstb-image.dummy \
 	src/rust-geom/libgeom.dummy \
     src/rust-opengles/libopengles.dummy \
@@ -75,7 +73,6 @@ SERVO_DEPS += \
 CHECK_DEPS += \
 	check-rust-harfbuzz \
 	check-rust-mozjs \
-	check-rust-sdl \
 	check-rust-azure \
 	check-rust-stb-image \
 	check-rust-geom \
@@ -90,7 +87,6 @@ CLEAN_DEPS += \
 	clean-rust-harfbuzz \
 	clean-mozjs \
 	clean-rust-mozjs \
-	clean-rust-sdl \
 	clean-rust-azure \
 	clean-rust-stb-image \
 	clean-rust-geom \
@@ -126,9 +122,6 @@ src/rust-mozjs/libmozjs.dummy: src/mozjs/libjs_static.a
 src/rust-azure/libazure.dummy: $(AZURE_DEPS)
 	RUSTFLAGS="$(RUSTFLAGS) -L ../rust-cocoa -L ../rust-geom" $(MAKE) -C src/rust-azure
 
-src/rust-sdl/libsdl.dummy:
-	$(MAKE) -C src/rust-sdl
-
 src/rust-cocoa/libcocoa.dummy:
 	$(MAKE) -C src/rust-cocoa
 
@@ -169,10 +162,6 @@ check-rust-mozjs: src/mozjs/libjs_static.a
 check-rust-azure: $(AZURE_DEPS)
 	RUSTFLAGS="$(RUSTFLAGS) -L ../rust-cocoa -L ../rust-geom" $(MAKE) check -C src/rust-azure
 
-.PHONY: check-rust-sdl
-check-rust-sdl:
-	$(MAKE) check -C src/rust-sdl
-
 .PHONY: check-rust-cocoa
 check-rust-cocoa:
 	$(MAKE) check -C src/rust-cocoa
@@ -221,10 +210,6 @@ clean-rust-mozjs:
 clean-rust-azure:
 	$(MAKE) clean -C src/rust-azure
 
-.PHONY: clean-rust-sdl
-clean-rust-sdl:
-	$(MAKE) clean -C src/rust-sdl
-
 .PHONY: clean-rust-cocoa
 clean-rust-cocoa:
 	$(MAKE) clean -C src/rust-cocoa
@@ -261,12 +246,10 @@ ifeq ($(OSTYPE),darwin)
 
 package: servo
 	mkdir -p Servo.app/Contents/MacOS/src/rust-cocoa
-	mkdir -p Servo.app/Contents/MacOS/src/rust-sdl
 	mkdir -p Servo.app/Contents/MacOS/src/rust-azure
 	cp $(VPATH)/Info.plist Servo.app/Contents/
 	cp servo Servo.app/Contents/MacOS/
 	cp src/rust-cocoa/lib*.dylib Servo.app/Contents/MacOS/src/rust-cocoa/
-	cp src/rust-sdl/lib*.dylib Servo.app/Contents/MacOS/src/rust-sdl/
 	cp src/rust-azure/lib*.dylib Servo.app/Contents/MacOS/src/rust-azure/
 
 else
diff --git a/src/harfbuzz b/src/harfbuzz
deleted file mode 160000
index cd9478610c7..00000000000
--- a/src/harfbuzz
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit cd9478610c792270490b479db1413d74113f587a
diff --git a/src/ragel b/src/ragel
deleted file mode 160000
index c2cf0a2438c..00000000000
--- a/src/ragel
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit c2cf0a2438cdc2c50261613613d0c3e523338c0f
diff --git a/src/rust-sdl b/src/rust-sdl
deleted file mode 160000
index af4cb2481c6..00000000000
--- a/src/rust-sdl
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit af4cb2481c60688d6b10dd8d5e2ffd6842a28384
diff --git a/src/servo/servo.rc b/src/servo/servo.rc
index 58883cb8c3c..dd4408e2215 100755
--- a/src/servo/servo.rc
+++ b/src/servo/servo.rc
@@ -8,7 +8,6 @@
 #[crate_type = "lib"];
 
 use std;
-use sdl;
 use azure;
 use js;
 use stb_image;