diff --git a/src/glx/dri_common.c b/src/glx/dri_common.c
index 5256a4e2b04..2262db67459 100644
--- a/src/glx/dri_common.c
+++ b/src/glx/dri_common.c
@@ -154,11 +154,6 @@ static const struct
       __ATTRIB(__DRI_ATTRIB_BLUE_SHIFT, blueShift),
       __ATTRIB(__DRI_ATTRIB_ALPHA_SHIFT, alphaShift),
 #endif
-      __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_WIDTH, maxPbufferWidth),
-      __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_HEIGHT, maxPbufferHeight),
-      __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_PIXELS, maxPbufferPixels),
-      __ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH, optimalPbufferWidth),
-      __ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT, optimalPbufferHeight),
       __ATTRIB(__DRI_ATTRIB_SWAP_METHOD, swapMethod),
       __ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGB, bindToTextureRgb),
       __ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGBA, bindToTextureRgba),