diff --git a/default.xml b/default.xml
index 2eb7390..688264d 100644
--- a/default.xml
+++ b/default.xml
@@ -100,7 +100,6 @@
   <project path="external/c-ares" name="platform/external/c-ares" groups="pdk" />
   <project path="external/caliper" name="platform/external/caliper" groups="pdk" />
   <project path="external/cblas" name="platform/external/cblas" groups="pdk" />
-  <project path="external/ceres-solver" name="platform/external/ceres-solver" groups="pdk" />
   <project path="external/chromium-libpac" name="platform/external/chromium-libpac" groups="pdk" />
   <project path="external/chromium-trace" name="platform/external/chromium-trace" groups="pdk" />
   <project path="external/chromium-webview" name="platform/external/chromium-webview" groups="pdk" />