diff --git a/auto/bin/update_ext.sh b/auto/bin/update_ext.sh
index 8cbaa19..74aa8d6 100755
--- a/auto/bin/update_ext.sh
+++ b/auto/bin/update_ext.sh
@@ -439,6 +439,10 @@ EOT
 	typedef int GLfixed
 EOT
 
+# Filter out GL_BYTE from GL_OES_byte_coordinates
+    grep -v 'GL_BYTE' $1/GL_OES_byte_coordinates > tmp
+    mv tmp $1/GL_OES_byte_coordinates
+
 # clean up
     rm -f $1/*.bak
 
diff --git a/auto/core/GL_ARB_vertex_attrib_64bit b/auto/core/GL_ARB_vertex_attrib_64bit
index 079dce2..a30aa06 100644
--- a/auto/core/GL_ARB_vertex_attrib_64bit
+++ b/auto/core/GL_ARB_vertex_attrib_64bit
@@ -1,12 +1,6 @@
 GL_ARB_vertex_attrib_64bit
 http://www.opengl.org/registry/specs/ARB/vertex_attrib_64bit.txt
 GL_ARB_vertex_attrib_64bit
-	GL_DOUBLE_MAT2 0x8F46
-	GL_DOUBLE_MAT3 0x8F47
-	GL_DOUBLE_MAT4 0x8F48
-	GL_DOUBLE_VEC2 0x8FFC
-	GL_DOUBLE_VEC3 0x8FFD
-	GL_DOUBLE_VEC4 0x8FFE
 	void glGetVertexAttribLdv (GLuint index, GLenum pname, GLdouble* params)
 	void glVertexAttribL1d (GLuint index, GLdouble x)
 	void glVertexAttribL1dv (GLuint index, const GLdouble* v)
diff --git a/auto/core/GL_NV_path_rendering b/auto/core/GL_NV_path_rendering
index a3239b4..42e1336 100644
--- a/auto/core/GL_NV_path_rendering
+++ b/auto/core/GL_NV_path_rendering
@@ -46,8 +46,6 @@ GL_NV_path_rendering
 	GL_ARC_TO_NV 0xFE
 	GL_RELATIVE_ARC_TO_NV 0xFF
 	GL_GLYPH_HAS_KERNING_BIT_NV 0x100
-	GL_PRIMARY_COLOR_NV 0x852C
-	GL_SECONDARY_COLOR_NV 0x852D
 	GL_PRIMARY_COLOR 0x8577
 	GL_PATH_FORMAT_SVG_NV 0x9070
 	GL_PATH_FORMAT_PS_NV 0x9071
diff --git a/auto/core/GL_VERSION_1_2 b/auto/core/GL_VERSION_1_2
index fb55054..985b59b 100644
--- a/auto/core/GL_VERSION_1_2
+++ b/auto/core/GL_VERSION_1_2
@@ -13,7 +13,6 @@ http://www.opengl.org/documentation/specs/version1.2/opengl1.2.1.pdf
 	GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
 	GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
 	GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
-	GL_UNSIGNED_INT_2_10_10_10_REV 0x8368
 	GL_BGR 0x80E0
 	GL_BGRA 0x80E1
 	GL_MAX_ELEMENTS_VERTICES 0x80E8
diff --git a/auto/core/GL_VERSION_3_0 b/auto/core/GL_VERSION_3_0
index 869d654..747eb83 100644
--- a/auto/core/GL_VERSION_3_0
+++ b/auto/core/GL_VERSION_3_0
@@ -15,8 +15,6 @@ http://www.opengl.org/registry/doc/glspec30.20080811.pdf
 	GL_CONTEXT_FLAGS 0x821E
 	GL_DEPTH_BUFFER 0x8223
 	GL_STENCIL_BUFFER 0x8224
-	GL_COMPRESSED_RED 0x8225
-	GL_COMPRESSED_RG 0x8226
 	GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x0001
 	GL_RGBA32F 0x8814
 	GL_RGB32F 0x8815
diff --git a/auto/core/GL_VERSION_3_3 b/auto/core/GL_VERSION_3_3
index a302081..1fbe90b 100644
--- a/auto/core/GL_VERSION_3_3
+++ b/auto/core/GL_VERSION_3_3
@@ -1,11 +1,6 @@
 GL_VERSION_3_3
 http://www.opengl.org/registry/doc/glspec32.core.20090803.pdf
 
-	GL_TEXTURE_SWIZZLE_R 0x8E42
-	GL_TEXTURE_SWIZZLE_G 0x8E43
-	GL_TEXTURE_SWIZZLE_B 0x8E44
-	GL_TEXTURE_SWIZZLE_A 0x8E45
-	GL_TEXTURE_SWIZZLE_RGBA 0x8E46
 	GL_RGB10_A2UI 0x906F
 	GL_VERTEX_ATTRIB_ARRAY_DIVISOR 0x88FE
 	void glVertexAttribDivisor (GLuint index, GLuint divisor)
diff --git a/auto/core/GL_VERSION_4_0 b/auto/core/GL_VERSION_4_0
index 9a118c9..dc33f91 100644
--- a/auto/core/GL_VERSION_4_0
+++ b/auto/core/GL_VERSION_4_0
@@ -3,11 +3,6 @@ http://www.opengl.org/registry/doc/glspec32.core.20090803.pdf
 
 	GL_SAMPLE_SHADING 0x8C36
 	GL_MIN_SAMPLE_SHADING_VALUE 0x8C37
-	GL_GEOMETRY_SHADER_INVOCATIONS 0x887F
-	GL_MAX_GEOMETRY_SHADER_INVOCATIONS 0x8E5A
-	GL_MIN_FRAGMENT_INTERPOLATION_OFFSET 0x8E5B
-	GL_MAX_FRAGMENT_INTERPOLATION_OFFSET 0x8E5C
-	GL_FRAGMENT_INTERPOLATION_OFFSET_BITS 0x8E5D
 	GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5E
 	GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5F
 	GL_MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS 0x8F9F