diff --git a/docs/extensions.html b/docs/extensions.html
index 1fbd35d9dda..e4e9ab1f1a8 100644
--- a/docs/extensions.html
+++ b/docs/extensions.html
@@ -33,7 +33,7 @@ The specifications follow.
 <li><a href="specs/OLD/MESA_program_debug.spec">MESA_program_debug.spec</a> (obsolete)
 <li><a href="specs/MESA_release_buffers.spec">MESA_release_buffers.spec</a>
 <li><a href="specs/OLD/MESA_resize_buffers.spec">MESA_resize_buffers.spec</a> (obsolete)
-<li><a href="specs/MESA_set_3dfx_mode.spec">MESA_set_3dfx_mode.spec</a>
+<li><a href="specs/OLD/MESA_set_3dfx_mode.spec">MESA_set_3dfx_mode.spec</a>
 <li><a href="specs/MESA_shader_debug.spec">MESA_shader_debug.spec</a>
 <li><a href="specs/OLD/MESA_sprite_point.spec">MESA_sprite_point.spec</a> (obsolete)
 <li><a href="specs/MESA_swap_control.spec">MESA_swap_control.spec</a>
diff --git a/docs/specs/MESA_set_3dfx_mode.spec b/docs/specs/OLD/MESA_set_3dfx_mode.spec
similarity index 97%
rename from docs/specs/MESA_set_3dfx_mode.spec
rename to docs/specs/OLD/MESA_set_3dfx_mode.spec
index 06d97ca021f..e4eea2a7cb4 100644
--- a/docs/specs/MESA_set_3dfx_mode.spec
+++ b/docs/specs/OLD/MESA_set_3dfx_mode.spec
@@ -12,7 +12,7 @@ Contact
 
 Status
 
-    Shipping since Mesa 2.6 in February, 1998.
+    Obsolete.
 
 Version