diff --git a/js/src/frontend/BytecodeCompiler.cpp b/js/src/frontend/BytecodeCompiler.cpp
index 68f200cf27e..1bad1a42c9f 100644
--- a/js/src/frontend/BytecodeCompiler.cpp
+++ b/js/src/frontend/BytecodeCompiler.cpp
@@ -10,6 +10,7 @@
 #include "frontend/BytecodeEmitter.h"
 #include "frontend/FoldConstants.h"
 #include "frontend/NameFunctions.h"
+#include "frontend/Parser.h"
 #include "ion/AsmJS.h"
 #include "vm/GlobalObject.h"
 
@@ -17,7 +18,6 @@
 #include "jsscriptinlines.h"
 
 #include "frontend/ParseMaps-inl.h"
-#include "frontend/SharedContext-inl.h"
 #include "vm/ScopeObject-inl.h"
 
 using namespace js;
diff --git a/js/src/frontend/BytecodeEmitter.cpp b/js/src/frontend/BytecodeEmitter.cpp
index dd84e78ba0e..4501826ef13 100644
--- a/js/src/frontend/BytecodeEmitter.cpp
+++ b/js/src/frontend/BytecodeEmitter.cpp
@@ -38,7 +38,6 @@
 
 #include "frontend/ParseMaps-inl.h"
 #include "frontend/ParseNode-inl.h"
-#include "frontend/SharedContext-inl.h"
 
 using namespace js;
 using namespace js::gc;
diff --git a/js/src/frontend/Parser.cpp b/js/src/frontend/Parser.cpp
index 39642ce4f5e..37ded056db2 100644
--- a/js/src/frontend/Parser.cpp
+++ b/js/src/frontend/Parser.cpp
@@ -43,7 +43,6 @@
 
 #include "frontend/ParseMaps-inl.h"
 #include "frontend/ParseNode-inl.h"
-#include "frontend/SharedContext-inl.h"
 
 #include "vm/NumericConversions.h"
 
diff --git a/js/src/frontend/SharedContext-inl.h b/js/src/frontend/SharedContext-inl.h
deleted file mode 100644
index b84cf942861..00000000000
--- a/js/src/frontend/SharedContext-inl.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=8 sts=4 et sw=4 tw=99:
- * This Source Code Form is subject to the terms of the Mozilla Public
- * 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/. */
-
-#ifndef frontend_SharedContext_inl_h
-#define frontend_SharedContext_inl_h
-
-#include "frontend/Parser.h"
-#include "frontend/SharedContext.h"
-
-namespace js {
-namespace frontend {
-
-inline bool
-SharedContext::needStrictChecks()
-{
-    return strict || extraWarnings;
-}
-
-} /* namespace frontend */
-} // namespace js
-
-#endif /* frontend_SharedContext_inl_h */
diff --git a/js/src/frontend/SharedContext.h b/js/src/frontend/SharedContext.h
index 07b8846ff7f..d89ec2f31fd 100644
--- a/js/src/frontend/SharedContext.h
+++ b/js/src/frontend/SharedContext.h
@@ -180,7 +180,9 @@ class SharedContext
     void setHasDebuggerStatement()        { anyCxFlags.hasDebuggerStatement        = true; }
 
     // JSOPTION_EXTRA_WARNINGS warnings or strict mode errors.
-    inline bool needStrictChecks();
+    bool needStrictChecks() {
+        return strict || extraWarnings;
+    }
 };
 
 class GlobalSharedContext : public SharedContext