diff --git a/mobile/android/config/mozconfigs/macosx-desktop/nightly b/mobile/android/config/mozconfigs/macosx-desktop/nightly
index 2cf0bfc42db3..e93d3c86f24d 100644
--- a/mobile/android/config/mozconfigs/macosx-desktop/nightly
+++ b/mobile/android/config/mozconfigs/macosx-desktop/nightly
@@ -6,7 +6,7 @@ mk_add_options AUTOCONF=autoconf213
 ac_cv_visibility_pragma=no
 
 ac_add_options --disable-install-strip
-ac_add_options --disable-installer
+
 ac_add_options --enable-application=mobile/android
 
 # Nightlies only since this has a cost in performance
diff --git a/mobile/xul/config/mozconfigs/macosx-desktop/nightly b/mobile/xul/config/mozconfigs/macosx-desktop/nightly
index 7c19dcb7102f..03f616db948a 100644
--- a/mobile/xul/config/mozconfigs/macosx-desktop/nightly
+++ b/mobile/xul/config/mozconfigs/macosx-desktop/nightly
@@ -6,7 +6,7 @@ mk_add_options AUTOCONF=autoconf213
 ac_cv_visibility_pragma=no
 
 ac_add_options --disable-install-strip
-ac_add_options --disable-installer
+
 ac_add_options --enable-application=mobile
 
 # Nightlies only since this has a cost in performance
diff --git a/xulrunner/config/mozconfigs/win32/xulrunner b/xulrunner/config/mozconfigs/win32/xulrunner
index 6fc384610aa5..6b24aed7f1ae 100644
--- a/xulrunner/config/mozconfigs/win32/xulrunner
+++ b/xulrunner/config/mozconfigs/win32/xulrunner
@@ -3,7 +3,6 @@ export JAVA_HOME=/d/jdk1.6.0_14
 
 ac_add_options --enable-application=xulrunner
 ac_add_options --enable-jemalloc
-ac_add_options --disable-installer
 ac_add_options --disable-tests
 
 mk_add_options MOZ_MAKE_FLAGS=-j1
diff --git a/xulrunner/config/mozconfigs/win64/xulrunner b/xulrunner/config/mozconfigs/win64/xulrunner
index 1589802c15fb..51a06f294427 100644
--- a/xulrunner/config/mozconfigs/win64/xulrunner
+++ b/xulrunner/config/mozconfigs/win64/xulrunner
@@ -6,7 +6,6 @@ export JAVA_HOME=/d/jdk1.6.0_14
 
 ac_add_options --enable-application=xulrunner
 ac_add_options --enable-jemalloc
-ac_add_options --disable-installer
 ac_add_options --disable-tests
 
 mk_add_options MOZ_MAKE_FLAGS=-j1