diff --git a/glm/core/setup.hpp b/glm/core/setup.hpp
index 3502a7d0..d8a314a5 100644
--- a/glm/core/setup.hpp
+++ b/glm/core/setup.hpp
@@ -605,49 +605,6 @@
 #	endif//GLM_ARCH
 #endif//GLM_MESSAGE
 
-///////////////////////////////////////////////////////////////////////////////////////////////////
-// Support check macros
-
-#define GLM_SUPPORT_ANONYMOUS_UNION() \
-	(GLM_LANG & GLM_LANG_CXX98_FLAG)
-
-#define GLM_SUPPORT_ANONYMOUS_UNION_OF_STRUCTURE() \
-	((GLM_LANG & GLM_LANG_CXXMS_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC))
-
-#define GLM_SUPPORT_SWIZZLE_OPERATOR() \
-	(defined(GLM_SWIZZLE) && GLM_SUPPORT_ANONYMOUS_UNION_OF_STRUCTURE())
-
-#define GLM_SUPPORT_SWIZZLE_FUNCTION() defined(GLM_SWIZZLE)
-
-///////////////////////////////////////////////////////////////////////////////////////////////////
-// Components
-
-//#define GLM_FORCE_ONLY_XYZW
-#define GLM_COMPONENT_ONLY_XYZW				0 // To disable multiple vector component names access.
-#define GLM_COMPONENT_CXX98					1 //  
-#define GLM_COMPONENT_CXXMS					2 // To use anonymous union to provide multiple component names access for class valType. Visual C++ only.
-
-#if(GLM_SUPPORT_ANONYMOUS_UNION_OF_STRUCTURE() && !defined(GLM_FORCE_ONLY_XYZW))
-#	define GLM_COMPONENT GLM_COMPONENT_CXXMS
-#elif(GLM_SUPPORT_ANONYMOUS_UNION() && !defined(GLM_FORCE_ONLY_XYZW))
-#	define GLM_COMPONENT GLM_COMPONENT_CXX98
-#else
-#	define GLM_COMPONENT GLM_COMPONENT_ONLY_XYZW
-#endif
-
-#if(defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_COMPONENT_DISPLAYED))
-#	define GLM_MESSAGE_COMPONENT_DISPLAYED
-#	if(GLM_COMPONENT == GLM_COMPONENT_CXX98)
-#		pragma message("GLM: x,y,z,w; r,g,b,a; s,t,p,q component names except of half based vector types")
-#	elif(GLM_COMPONENT == GLM_COMPONENT_ONLY_XYZW)
-#		pragma message("GLM: x,y,z,w component names for all vector types")
-#	elif(GLM_COMPONENT == GLM_COMPONENT_CXXMS)
-#		pragma message("GLM: x,y,z,w; r,g,b,a; s,t,p,q component names for all vector types")
-#	else
-#		error "GLM: GLM_COMPONENT value unknown"
-#	endif//GLM_MESSAGE_COMPONENT_DISPLAYED
-#endif//GLM_MESSAGE
-
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // Radians
 
@@ -710,10 +667,8 @@
 
 #if(defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_SWIZZLE_DISPLAYED))
 #	define GLM_MESSAGE_SWIZZLE_DISPLAYED
-#	if(GLM_SUPPORT_SWIZZLE_OPERATOR())
+#	if defined(GLM_SWIZZLE)
 #		pragma message("GLM: Swizzling operators enabled")
-#	elif(GLM_SUPPORT_SWIZZLE_FUNCTION())
-#		pragma message("GLM: Swizzling operators supported through swizzling functions")
 #	else
 #		pragma message("GLM: Swizzling operators disabled")
 #	endif
@@ -736,7 +691,7 @@
 #	define GLM_RESTRICT
 #	define GLM_RESTRICT_VAR __restrict
 #	define GLM_CONSTEXPR
-#elif(((GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_LLVM_GCC)) && (GLM_COMPILER >= GLM_COMPILER_GCC31)) || (GLM_COMPILER & GLM_COMPILER_CLANG))
+#elif(((GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_LLVM_GCC)) && (GLM_COMPILER >= GLM_COMPILER_GCC34)) || (GLM_COMPILER & GLM_COMPILER_CLANG))
 #	define GLM_DEPRECATED __attribute__((__deprecated__))
 #	define GLM_ALIGN(x) __attribute__((aligned(x)))
 #	define GLM_ALIGNED_STRUCT(x) struct __attribute__((aligned(x)))
diff --git a/glm/core/type_vec2.hpp b/glm/core/type_vec2.hpp
index 7ab7fc81..c1ecb5d4 100644
--- a/glm/core/type_vec2.hpp
+++ b/glm/core/type_vec2.hpp
@@ -22,7 +22,7 @@
 ///
 /// @ref core
 /// @file glm/core/type_vec2.hpp
-/// @date 2008-08-18 / 2011-06-15
+/// @date 2008-08-18 / 2013-08-27
 /// @author Christophe Riccio
 ///////////////////////////////////////////////////////////////////////////////////
 
@@ -54,11 +54,10 @@ namespace detail
 		union {value_type x, r, s;};
 		union {value_type y, g, t;};
 
-#		if(defined(GLM_SWIZZLE))
-			// Defines all he swizzle operator as functions
+#		ifdef GLM_SWIZZLE
 			GLM_SWIZZLE_GEN_REF_FROM_VEC2(value_type, P, detail::tvec2, detail::tref2)
 			GLM_SWIZZLE_GEN_VEC_FROM_VEC2(value_type, P, detail::tvec2, detail::tvec2, detail::tvec3, detail::tvec4)
-#		endif//(defined(GLM_SWIZZLE))
+#		endif//GLM_SWIZZLE
 
 		//////////////////////////////////////
 		// Accesses
diff --git a/glm/core/type_vec3.hpp b/glm/core/type_vec3.hpp
index dbe9bbd7..c64187d2 100644
--- a/glm/core/type_vec3.hpp
+++ b/glm/core/type_vec3.hpp
@@ -56,7 +56,6 @@ namespace detail
 		union {value_type z, b, p;};
 
 #		if(defined(GLM_SWIZZLE))
-			// Defines all he swizzle operator as functions
 			GLM_SWIZZLE_GEN_REF_FROM_VEC3(T, P, detail::tvec3, detail::tref2, detail::tref3)
 			GLM_SWIZZLE_GEN_VEC_FROM_VEC3(T, P, detail::tvec3, detail::tvec2, detail::tvec3, detail::tvec4)
 #		endif//(defined(GLM_SWIZZLE))
diff --git a/glm/core/type_vec4.hpp b/glm/core/type_vec4.hpp
index fd192c4f..0229adaa 100644
--- a/glm/core/type_vec4.hpp
+++ b/glm/core/type_vec4.hpp
@@ -57,7 +57,6 @@ namespace detail
 		union {value_type w, a, q;};
 
 #		if(defined(GLM_SWIZZLE))
-			// Defines all he swizzle operator as functions
 			GLM_SWIZZLE_GEN_REF_FROM_VEC4(T, P, detail::tvec4, detail::tref2, detail::tref3, detail::tref4)
 			GLM_SWIZZLE_GEN_VEC_FROM_VEC4(T, P, detail::tvec4, detail::tvec2, detail::tvec3, detail::tvec4)
 #		endif//(defined(GLM_SWIZZLE))
diff --git a/glm/glm.hpp b/glm/glm.hpp
index e4ad5eca..0056e3a6 100644
--- a/glm/glm.hpp
+++ b/glm/glm.hpp
@@ -134,7 +134,6 @@
 ////////////////////
 // check type sizes
 #ifndef GLM_STATIC_ASSERT_NULL
-	GLM_STATIC_ASSERT(sizeof(glm::float16) == 2, "float16 size isn't 2 bytes on this platform");
 	GLM_STATIC_ASSERT(sizeof(glm::float32) == 4, "float32 size isn't 4 bytes on this platform");
 	GLM_STATIC_ASSERT(sizeof(glm::float64) == 8, "float64 size isn't 8 bytes on this platform");
 #endif//GLM_STATIC_ASSERT_NULL
diff --git a/test/core/core_type_vec3.cpp b/test/core/core_type_vec3.cpp
index 88e6f4c5..2ae06c2a 100644
--- a/test/core/core_type_vec3.cpp
+++ b/test/core/core_type_vec3.cpp
@@ -197,7 +197,6 @@ int test_vec3_swizzle3_2()
     //u = v.rgb;    //Illegal
     //u = v.stp;    //Illegal
 
-#if(GLM_SUPPORT_SWIZZLE_OPERATOR())
 	u = v.xx;       Error += (u.x == 1.0f && u.y == 1.0f) ? 0 : 1;
     u = v.xy;       Error += (u.x == 1.0f && u.y == 2.0f) ? 0 : 1;
     u = v.xz;       Error += (u.x == 1.0f && u.y == 3.0f) ? 0 : 1;
@@ -243,7 +242,6 @@ int test_vec3_swizzle3_2()
     v.zx = u;       Error += (v.x == 2.0f && v.y == 1.0f && v.z == 1.0f) ? 0 : 1;
     v.zy = u;       Error += (v.x == 2.0f && v.y == 2.0f && v.z == 1.0f) ? 0 : 1;
     //v.zz = u;     //Illegal
-#endif//(GLM_SUPPORT_SWIZZLE_OPERATOR())
 
     return Error;
 }
@@ -257,7 +255,6 @@ int test_vec3_swizzle3_3()
     
     u = v;          Error += (u.x == 1.0f && u.y == 2.0f && u.z == 3.0f) ? 0 : 1;
     
-#if(GLM_SUPPORT_SWIZZLE_OPERATOR())
 	u = v.xyz;      Error += (u.x == 1.0f && u.y == 2.0f && u.z == 3.0f) ? 0 : 1;
     u = v.zyx;      Error += (u.x == 3.0f && u.y == 2.0f && u.z == 1.0f) ? 0 : 1;
     u.zyx = v;      Error += (u.x == 3.0f && u.y == 2.0f && u.z == 1.0f) ? 0 : 1;
@@ -269,7 +266,7 @@ int test_vec3_swizzle3_3()
     u = v.stp;      Error += (u.x == 1.0f && u.y == 2.0f && u.z == 3.0f) ? 0 : 1;
     u = v.pts;      Error += (u.x == 3.0f && u.y == 2.0f && u.z == 1.0f) ? 0 : 1;
     u.pts = v;      Error += (u.x == 3.0f && u.y == 2.0f && u.z == 1.0f) ? 0 : 1;
-#endif//(GLM_SUPPORT_SWIZZLE_OPERATOR())
+
     return Error;
 }
 
@@ -282,7 +279,6 @@ int test_vec3_swizzle_operators()
     u = glm::vec3(1, 2, 3);
     v = glm::vec3(10, 20, 30);
 
-#if(GLM_SUPPORT_SWIZZLE_OPERATOR())
     // Swizzle, swizzle binary operators
     q = u.xyz + v.xyz;          Error += (q == (u + v)) ? 0 : 1;
     q = (u.zyx + v.zyx).zyx;    Error += (q == (u + v)) ? 0 : 1;
@@ -304,7 +300,6 @@ int test_vec3_swizzle_operators()
     q = (u.xyz * v);            Error += (q == (u * v)) ? 0 : 1;
     q = (u.xxx * v);            Error += (q == u.x * v) ? 0 : 1;
     q = (u.xyz / v);            Error += (q == (u / v)) ? 0 : 1;
-#endif//(GLM_SUPPORT_SWIZZLE_OPERATOR())
 
     // Compile errors
     //q = (u.yz * v.xyz);
@@ -324,7 +319,6 @@ int test_vec3_swizzle_functions()
 	// glm::dot(u.xy, v.xy);        <--- Compile error
 	// glm::dot(u.xy(), v.xy());    <--- Compiles correctly
 
-#if(GLM_SUPPORT_SWIZZLE_OPERATOR())
 	float r;
 
 	// vec2
@@ -351,7 +345,6 @@ int test_vec3_swizzle_functions()
 	r = glm::dot(s, t);                 Error += (int(r) == 300) ? 0 : 1;
 	r = glm::dot(s.xyzw(), t.xyzw());   Error += (int(r) == 300) ? 0 : 1;
 	r = glm::dot(s.xyz(), t.xyz());     Error += (int(r) == 140) ? 0 : 1;
-#endif//(GLM_SUPPORT_SWIZZLE_OPERATOR())
 
 	return Error;
 }
@@ -360,7 +353,6 @@ int test_vec3_swizzle_partial()
 {
 	int Error = 0;
 
-#if(GLM_SUPPORT_SWIZZLE_OPERATOR())
 	glm::vec3 A(1, 2, 3);
 
 	{
@@ -377,7 +369,6 @@ int test_vec3_swizzle_partial()
 		glm::vec3 B(A.xyz);
 		Error += A == B ? 0 : 1;
 	}
-#endif//(GLM_SUPPORT_SWIZZLE_OPERATOR())
 
 	return Error;
 }
diff --git a/test/core/core_type_vec4.cpp b/test/core/core_type_vec4.cpp
index 733ca067..55d7a866 100644
--- a/test/core/core_type_vec4.cpp
+++ b/test/core/core_type_vec4.cpp
@@ -216,7 +216,6 @@ int test_vec4_swizzle_partial()
 
 	glm::vec4 A(1, 2, 3, 4);
 
-#if(GLM_SUPPORT_SWIZZLE_OPERATOR())
 	{
 		glm::vec4 B(A.xy, A.zw);
 		Error += A == B ? 0 : 1;
@@ -242,7 +241,6 @@ int test_vec4_swizzle_partial()
 		glm::vec4 B(1.0f, A.yzw);
 		Error += A == B ? 0 : 1;
 	}
-#endif//(GLM_SUPPORT_SWIZZLE_OPERATOR())
 
 	return Error;
 }