diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp
index 0a85883..0c63910 100644
--- a/lib/Frontend/CompilerInstance.cpp
+++ b/lib/Frontend/CompilerInstance.cpp
@@ -1029,9 +1029,8 @@
   // If not, do nothing.
   time_t TimeStampModTime = StatBuf.st_mtime;
   time_t CurrentTime = time(0);
-  if (CurrentTime - TimeStampModTime <= HSOpts.ModuleCachePruneInterval) {
+  if (CurrentTime - TimeStampModTime <= time_t(HSOpts.ModuleCachePruneInterval))
     return;
-  }
 
   // Write a new timestamp file so that nobody else attempts to prune.
   // There is a benign race condition here, if two Clang instances happen to
@@ -1071,8 +1070,9 @@
 
       // If the file has been used recently enough, leave it there.
       time_t FileAccessTime = StatBuf.st_atime;
-      if (CurrentTime - FileAccessTime <= HSOpts.ModuleCachePruneAfter) {
-        RemovedAllFiles = false;;
+      if (CurrentTime - FileAccessTime <=
+              time_t(HSOpts.ModuleCachePruneAfter)) {
+        RemovedAllFiles = false;
         continue;
       }