diff --git a/thirdparty/libktx/lib/dfdutils/vk2dfd.inl b/thirdparty/libktx/lib/dfdutils/vk2dfd.inl
index 5104c8fcb4..3398441e8c 100644
--- a/thirdparty/libktx/lib/dfdutils/vk2dfd.inl
+++ b/thirdparty/libktx/lib/dfdutils/vk2dfd.inl
@@ -370,6 +370,7 @@ case VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG: return createDFDCompressed(c_PVRTC, 8
 case VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG: return createDFDCompressed(c_PVRTC, 4, 4, 1, s_SRGB);
 case VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG: return createDFDCompressed(c_PVRTC2, 8, 4, 1, s_SRGB);
 case VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG: return createDFDCompressed(c_PVRTC2, 4, 4, 1, s_SRGB);
+#if 0
 case VK_FORMAT_ASTC_3x3x3_UNORM_BLOCK_EXT: return createDFDCompressed(c_ASTC, 3, 3, 3, s_UNORM);
 case VK_FORMAT_ASTC_3x3x3_SRGB_BLOCK_EXT: return createDFDCompressed(c_ASTC, 3, 3, 3, s_SRGB);
 case VK_FORMAT_ASTC_3x3x3_SFLOAT_BLOCK_EXT: return createDFDCompressed(c_ASTC, 3, 3, 3, s_SFLOAT);
@@ -400,6 +401,7 @@ case VK_FORMAT_ASTC_6x6x5_SFLOAT_BLOCK_EXT: return createDFDCompressed(c_ASTC, 6
 case VK_FORMAT_ASTC_6x6x6_UNORM_BLOCK_EXT: return createDFDCompressed(c_ASTC, 6, 6, 6, s_UNORM);
 case VK_FORMAT_ASTC_6x6x6_SRGB_BLOCK_EXT: return createDFDCompressed(c_ASTC, 6, 6, 6, s_SRGB);
 case VK_FORMAT_ASTC_6x6x6_SFLOAT_BLOCK_EXT: return createDFDCompressed(c_ASTC, 6, 6, 6, s_SFLOAT);
+#endif
 case VK_FORMAT_R16G16_S10_5_NV: return createDFDUnpacked(0, 2, 2, 0, s_S10_5);
 case VK_FORMAT_A1B5G5R5_UNORM_PACK16_KHR: {
     int channels[] = {0,1,2,3}; int bits[] = {5,5,5,1};