diff --git a/build/clang-plugin/MozCheckAction.cpp b/build/clang-plugin/MozCheckAction.cpp
index 15362be24b81..c2e2a28fa746 100644
--- a/build/clang-plugin/MozCheckAction.cpp
+++ b/build/clang-plugin/MozCheckAction.cpp
@@ -2,7 +2,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#include "plugin.h"
 #include "DiagnosticsMatcher.h"
+#include "clang/Frontend/FrontendPluginRegistry.h"
 
 class MozCheckAction : public PluginASTAction {
 public:
diff --git a/build/clang-plugin/plugin.h b/build/clang-plugin/plugin.h
index 02303a76cbce..9fc547d3487e 100644
--- a/build/clang-plugin/plugin.h
+++ b/build/clang-plugin/plugin.h
@@ -12,7 +12,6 @@
 #include "clang/ASTMatchers/ASTMatchers.h"
 #include "clang/Basic/Version.h"
 #include "clang/Frontend/CompilerInstance.h"
-#include "clang/Frontend/FrontendPluginRegistry.h"
 #include "clang/Frontend/MultiplexConsumer.h"
 #include "clang/Sema/Sema.h"
 #include "llvm/ADT/DenseMap.h"