diff --git a/src/common/windows/http_upload.cc b/src/common/windows/http_upload.cc
index cade22ec8..22250f502 100644
--- a/src/common/windows/http_upload.cc
+++ b/src/common/windows/http_upload.cc
@@ -31,6 +31,9 @@
 #endif
 
 #include <algorithm>
+#include <map>
+#include <memory>
+#include <string>
 
 #include <assert.h>
 #include <stdint.h>
@@ -53,7 +56,6 @@ namespace {
   using std::string;
   using std::wstring;
   using std::map;
-  using std::ios;
   using std::unique_ptr;
 
 // Compresses the contents of `data` into `deflated` using the deflate
diff --git a/src/common/windows/http_upload.h b/src/common/windows/http_upload.h
index 0fc55e411..4a2e9bf2f 100644
--- a/src/common/windows/http_upload.h
+++ b/src/common/windows/http_upload.h
@@ -41,6 +41,7 @@
 #include <wininet.h>
 
 #include <map>
+#include <string>
 
 namespace google_breakpad {