diff --git a/servo/configure.in b/servo/configure.in
index aa2579ad679f..98e12542406b 100755
--- a/servo/configure.in
+++ b/servo/configure.in
@@ -3,13 +3,10 @@
 SRCDIR="$(cd $(dirname $0) && pwd)"
 sed "s#%VPATH%#${SRCDIR}#" ${SRCDIR}/Makefile.in > Makefile
 
-mkdir -p src/ragel || exit $?
-mkdir -p src/harfbuzz || exit $?
 mkdir -p src/mozjs || exit $?
 mkdir -p src/rust-harfbuzz || exit $?
 mkdir -p src/rust-opengles || exit $?
 mkdir -p src/rust-mozjs || exit $?
-mkdir -p src/rust-sdl || exit $?
 mkdir -p src/rust-azure || exit $?
 mkdir -p src/rust-cocoa || exit $?
 mkdir -p src/rust-stb-image || exit $?
@@ -18,13 +15,10 @@ mkdir -p src/rust-glut || exit $?
 mkdir -p src/rust-layers || exit $?
 mkdir -p src/rust-http-client || exit $?
 
-(cd src/ragel && sh ${SRCDIR}/src/ragel/configure) || exit $?
-(cd src/harfbuzz && sh ${SRCDIR}/src/harfbuzz/configure --enable-static) || exit $?
 (cd src/mozjs && sh ${SRCDIR}/src/mozjs/js/src/configure --enable-debug --disable-optimize) || exit $?
 (cd src/rust-opengles && sh ${SRCDIR}/src/rust-opengles/configure) || exit $?
 (cd src/rust-harfbuzz && sh ${SRCDIR}/src/rust-harfbuzz/configure) || exit $?
 (cd src/rust-mozjs && sh ${SRCDIR}/src/rust-mozjs/configure) || exit $?
-(cd src/rust-sdl && sh ${SRCDIR}/src/rust-sdl/configure) || exit $?
 (cd src/rust-azure && sh ${SRCDIR}/src/rust-azure/configure) || exit $?
 (cd src/rust-cocoa && sh ${SRCDIR}/src/rust-cocoa/configure) || exit $?
 (cd src/rust-stb-image && sh ${SRCDIR}/src/rust-stb-image/configure) || exit $?