diff --git a/default.xml b/default.xml
index f6a1238..04921e6 100644
--- a/default.xml
+++ b/default.xml
@@ -319,7 +319,7 @@
   <project path="device/google/accessory/demokit" name="device/google/accessory/demokit" groups="device" remote="aosp" />
   <project path="device/sample" name="device/sample" groups="pdk" remote="aosp" />
   <project path="docs/source.android.com" name="platform/docs/source.android.com" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
-  <project path="external/aac" name="platform/external/aac" groups="pdk" remote="aosp" />
+  <project path="external/aac" name="LineageOS-mirror/android_external_aac.git" groups="pdk" remote="lineage-mirror" />
   <project path="external/androidplot" name="platform/external/androidplot" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="external/antlr" name="platform/external/antlr" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="external/apache-commons-math" name="platform/external/apache-commons-math" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
@@ -403,7 +403,7 @@
   <project path="external/libusb-compat" name="platform/external/libusb-compat" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="external/libutf" name="platform/external/libutf" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="external/libvncserver" name="platform/external/libvncserver" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
-  <project path="external/libvorbis" name="platform/external/libvorbis" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
+  <project path="external/libvorbis" name="LineageOS-mirror/android_external_libvorbis.git" groups="pdk-cw-fs,pdk-fs" remote="lineage-mirror" />
   <project path="external/libyuv" name="platform/external/libyuv" groups="libyuv,pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="external/littlemock" name="platform/external/littlemock" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="external/lld" name="platform/external/lld" groups="pdk-fs" remote="aosp" />