diff --git a/test/LLVMC/MultiplePluginPriorities.td b/test/LLVMC/MultiplePluginPriorities.td
index b2cae3f13c1..c7d8a374a91 100644
--- a/test/LLVMC/MultiplePluginPriorities.td
+++ b/test/LLVMC/MultiplePluginPriorities.td
@@ -1,5 +1,6 @@
 // Check that multiple plugin priorities are not allowed.
 // RUN: ignore tblgen -I %p/../../include --gen-llvmc %s |& grep "More than one 'PluginPriority' instance found"
+// XFAIL: vg_leak
 
 // Disable for Darwin PPC: <rdar://problem/7598390>
 // XFAIL: powerpc-apple-darwin
diff --git a/test/LLVMC/OutputSuffixHook.td b/test/LLVMC/OutputSuffixHook.td
index b7173fe9583..f217dc72cfc 100644
--- a/test/LLVMC/OutputSuffixHook.td
+++ b/test/LLVMC/OutputSuffixHook.td
@@ -2,6 +2,7 @@
 // RUN: tblgen -I %p/../../include --gen-llvmc %s -o %t
 // RUN: FileCheck -input-file %t %s
 // RUN: %compile_cxx -x c++ %t
+// XFAIL: vg_leak
 
 include "llvm/CompilerDriver/Common.td"