diff --git a/src/SourceBuild/content/repo-projects/roslyn.proj b/src/SourceBuild/content/repo-projects/roslyn.proj
index 078b23836..b67a113d9 100644
--- a/src/SourceBuild/content/repo-projects/roslyn.proj
+++ b/src/SourceBuild/content/repo-projects/roslyn.proj
@@ -2,6 +2,8 @@
+ DependenciesOnly
+
$(StandardSourceBuildArgs)
$(BuildCommandArgs) /p:TreatWarningsAsErrors=false
$(BuildCommandArgs) /p:ApplyPartialNgenOptimization=false