diff --git a/lib/Support/PathV2.cpp b/lib/Support/PathV2.cpp
index 492903e4b53..7b99287e1e3 100644
--- a/lib/Support/PathV2.cpp
+++ b/lib/Support/PathV2.cpp
@@ -518,7 +518,7 @@ error_code replace_extension(SmallVectorImpl<char> &path,
 
 error_code native(const Twine &path, SmallVectorImpl<char> &result) {
   // Clear result.
-  result.set_size(0);
+  result.clear();
 #ifdef LLVM_ON_WIN32
   SmallString<128> path_storage;
   StringRef p = path.toStringRef(path_storage);
diff --git a/lib/Support/Unix/PathV2.inc b/lib/Support/Unix/PathV2.inc
index 4ca482dfce1..1362237199b 100644
--- a/lib/Support/Unix/PathV2.inc
+++ b/lib/Support/Unix/PathV2.inc
@@ -65,7 +65,7 @@ namespace {
 #endif
     (dir = "/tmp");
 
-    result.set_size(0);
+    result.clear();
     StringRef d(dir);
     result.append(d.begin(), d.end());
     return success;
@@ -400,7 +400,7 @@ rety_open_create:
     return error_code(errno, system_category());
   }
 
-  result_path.set_size(0);
+  result_path.clear();
   StringRef d(real_path_buff);
   result_path.append(d.begin(), d.end());