diff --git a/unittests/Support/Path.cpp b/unittests/Support/Path.cpp
index dd831f90727..a3d96ecf340 100644
--- a/unittests/Support/Path.cpp
+++ b/unittests/Support/Path.cpp
@@ -87,6 +87,7 @@ TEST(Support, Path) {
     }
     outs() << "]\n";
 
+#if 0 // Valgrind is whining about this.
     outs() << "    Reverse Iteration: [";
     for (sys::path::reverse_iterator ci = sys::path::rbegin(*i),
                                      ce = sys::path::rend(*i);
@@ -95,6 +96,7 @@ TEST(Support, Path) {
       outs() << *ci << ',';
     }
     outs() << "]\n";
+#endif
 
     bool      bres;
     StringRef sfres;