diff --git a/libc/private/bionic_macros.h b/libc/private/bionic_macros.h
index 491b3ac..4f3cf89 100644
--- a/libc/private/bionic_macros.h
+++ b/libc/private/bionic_macros.h
@@ -17,11 +17,16 @@
 #ifndef _BIONIC_MACROS_H_
 #define _BIONIC_MACROS_H_
 
+// Frameworks OpenGL code currently leaks this header and allows
+// collisions with other declarations, e.g., from libnativehelper.
+// TODO: Remove once cleaned up. b/18334516
+#if !defined(DISALLOW_COPY_AND_ASSIGN)
 // DISALLOW_COPY_AND_ASSIGN disallows the copy and operator= functions.
 // It goes in the private: declarations in a class.
 #define DISALLOW_COPY_AND_ASSIGN(TypeName) \
   TypeName(const TypeName&) = delete;      \
   void operator=(const TypeName&) = delete
+#endif  // !defined(DISALLOW_COPY_AND_ASSIGN)
 
 // A macro to disallow all the implicit constructors, namely the
 // default constructor, copy constructor and operator= functions.