diff --git a/mobile/build.mk b/mobile/build.mk
index 72208ed6cb1..15e4dfaf3ba 100644
--- a/mobile/build.mk
+++ b/mobile/build.mk
@@ -52,7 +52,6 @@ tier_app_dirs += extensions
 endif
 
 ifdef MOZ_SERVICES_SYNC
-tier_app_dirs += services/crypto
 tier_app_dirs += services/sync
 endif