--- a/memory/mozalloc/mozalloc.h
+++ b/memory/mozalloc/mozalloc.h
@@ -120,26 +120,17 @@ MOZ_END_EXTERN_C
  * visibility on OS X/gcc. These symbols are force-inline and not
  * exported. */
 #if defined(XP_MACOSX)
 #  define MOZALLOC_EXPORT_NEW MFBT_API
 #else
 #  define MOZALLOC_EXPORT_NEW
 #endif
 
-#if defined(ANDROID)
-/*
- * It's important to always specify 'throw()' in GCC because it's used to tell
- * GCC that 'new' may return null. That makes GCC null-check the result before
- * potentially initializing the memory to zero.
- * Also, the Android minimalistic headers don't include std::bad_alloc.
- */
-#define MOZALLOC_THROW_IF_HAS_EXCEPTIONS throw()
-#define MOZALLOC_THROW_BAD_ALLOC_IF_HAS_EXCEPTIONS
-#elif defined(_MSC_VER)
+#if defined(_MSC_VER)
 /*
  * Suppress build warning spam (bug 578546).
  */
 #define MOZALLOC_THROW_IF_HAS_EXCEPTIONS
 #define MOZALLOC_THROW_BAD_ALLOC_IF_HAS_EXCEPTIONS
 #elif __cplusplus >= 201103
 /*
  * C++11 has deprecated exception-specifications in favour of |noexcept|.