diff --git a/include/ceres/context.h b/include/ceres/context.h
index 63c0a16..cf7c436 100644
--- a/include/ceres/context.h
+++ b/include/ceres/context.h
@@ -31,8 +31,6 @@
 #ifndef CERES_PUBLIC_CONTEXT_H_
 #define CERES_PUBLIC_CONTEXT_H_
 
-#include "ceres/internal/macros.h"
-
 namespace ceres {
 
 // A global context for processing data in Ceres.  This provides a mechanism to
@@ -44,13 +42,13 @@
 class Context {
  public:
   Context() {}
+  Context(const Context&) = delete;
+  void operator=(const Context&) = delete;
+
   virtual ~Context() {}
 
   // Creates a context object and the caller takes ownership.
   static Context* Create();
-
- private:
-  CERES_DISALLOW_COPY_AND_ASSIGN(Context);
 };
 
 }  // namespace ceres