diff --git a/src/xalanc/Include/SolarisDefinitions.hpp b/src/xalanc/Include/SolarisDefinitions.hpp
index 0a9b4fb..efbf725 100644
--- a/src/xalanc/Include/SolarisDefinitions.hpp
+++ b/src/xalanc/Include/SolarisDefinitions.hpp
@@ -32,11 +32,6 @@
 #define XALAN_PLATFORM_IMPORT_FUNCTION(T) T XALAN_PLATFORM_IMPORT
 
 
-#if defined(_STLP_CONFIG_H)
-#else
-#define XALAN_RW_NO_CLASS_PARTIAL_SPEC
-#endif
-
 #define XALAN_POSIX2_AVAILABLE
 
 #endif  // SOLARISDEFINITIONS_HEADER_GUARD_1357924680