diff --git a/lib/CompilerDriver/Tool.cpp b/lib/CompilerDriver/Tool.cpp
index 5a32fd33c3e..9f4ab495662 100644
--- a/lib/CompilerDriver/Tool.cpp
+++ b/lib/CompilerDriver/Tool.cpp
@@ -20,11 +20,6 @@
 using namespace llvm;
 using namespace llvmc;
 
-// SplitString is used by derived Tool classes.
-typedef void (*SplitStringFunPtr)(const std::string&,
-                                  std::vector<std::string>&, const char*);
-SplitStringFunPtr ForceLinkageSplitString = &llvm::SplitString;
-
 namespace {
   sys::Path MakeTempFile(const sys::Path& TempDir, const std::string& BaseName,
                          const std::string& Suffix) {