diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 8cb1d16..0f00c07 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -70,7 +70,7 @@
 
     assert (A->getOption().matches(options::OPT_O));
 
-    llvm::StringRef S(A->getValue());
+    StringRef S(A->getValue());
     if (S == "s" || S == "z" || S.empty())
       return 2;
 
@@ -1495,7 +1495,7 @@
 namespace {
 
   class ModuleSignature {
-    llvm::SmallVector<uint64_t, 16> Data;
+    SmallVector<uint64_t, 16> Data;
     unsigned CurBit;
     uint64_t CurValue;