diff --git a/config.h b/config.h
index 8c01c641..4f41ba5f 100644
--- a/config.h
+++ b/config.h
@@ -145,11 +145,6 @@
 #	error namespace support is now required
 #endif
 
-// Define this to workaround a Microsoft CryptoAPI bug where
-// each call to CryptAcquireContext causes a 100 KB memory leak.
-// Defining this will cause Crypto++ to make only one call to CryptAcquireContext.
-#define WORKAROUND_MS_BUG_Q258000
-
 #ifdef CRYPTOPP_DOXYGEN_PROCESSING
 // Document the namespce exists. Put it here before CryptoPP is undefined below.
 //! \namespace CryptoPP
diff --git a/osrng.h b/osrng.h
index 555f1ba4..0c377a68 100644
--- a/osrng.h
+++ b/osrng.h
@@ -35,7 +35,7 @@ public:
 #ifdef CRYPTOPP_WIN32_AVAILABLE
 //! \class MicrosoftCryptoProvider
 //! \brief Wrapper for Microsoft crypto service provider
-//! \sa \def USE_MS_CRYPTOAPI, \def USE_MS_CNGAPI, \def WORKAROUND_MS_BUG_Q258000
+//! \sa \def USE_MS_CRYPTOAPI, \def USE_MS_CNGAPI
 class CRYPTOPP_DLL MicrosoftCryptoProvider
 {
 public: