diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -826,8 +826,7 @@
                         "-DLLVM_TARGETS_TO_BUILD:STRING=XCore",
                         "-DLLVM_DEFAULT_TARGET_TRIPLE:STRING=xcore-unknown-unknown-elf",
                         "-DLLVM_ENABLE_THREADS:BOOL=OFF",
-                        "-DLLVM_ENABLE_PROJECTS:STRING=clang",
-                        "-DLLVM_LIT_ARGS:STRING='--xunit-xml-output xunit.xml -sv'"])},
+                        "-DLLVM_LIT_ARGS:STRING=--xunit-xml-output xunit.xml -sv"])},
 
 # Polly builders.