diff --git a/common/rtemsdomain.py b/common/rtemsdomain.py
index 018e7ed..49d0728 100644
--- a/common/rtemsdomain.py
+++ b/common/rtemsdomain.py
@@ -43,19 +43,7 @@ role_url = {
 	"review":			("Gerrit Code Review",	"https://review.rtems.org/"),
 	"bugs":				("Bugs Database",		"https://devel.rtems.org/wiki/Bugs/"),
 	"gsoc":				("Google Summer of Code", "https://devel.rtems.org/wiki/GSoC/"),
-	"socis":			("ESA SOCIS",			"https://devel.rtems.org/wiki/SOCIS/"),
-	"bsp-howto":			("RTEMS BSP and Driver Guide",		"https://docs.rtems.org/branches/master/bsp-howto/index.html"),
-	"cpu-supplement":		("RTEMS CPU Architecture Supplement",	"https://docs.rtems.org/branches/master/cpu-supplement/index.html"),
-	"c-user":			("RTEMS Classic API Guide",		"https://docs.rtems.org/branches/master/c-user/index.html"),
-	"develenv":			("RTEMS Development Environment Guide", "https://docs.rtems.org/branches/master/develenv/index.html"),
-	"eclipse":			("RTEMS Eclipse Manual", 		"https://docs.rtems.org/branches/master/eclipse/index.html"),
-	"eng":				("RTEMS Software Engineering",		"https://docs.rtems.org/branches/master/eng/index.html"),
-	"filesystem":			("RTEMS Filesystem Design Guide",	"https://docs.rtems.org/branches/master/filesystem/index.html"),
-	"networking":			("RTEMS Networking User Manual", 	"https://docs.rtems.org/branches/master/networking/index.html"),
-	"posix-compliance":		("RTEMS POSIX 1003.1 Compliance Guide", "https://docs.rtems.org/branches/master/posix-compliance/index.html"),
-	"posix-users":			("RTEMS POSIX API Guide",		"https://docs.rtems.org/branches/master/posix-users/index.html"),
-	"shell":			("RTEMS Shell Guide",			"https://docs.rtems.org/branches/master/shell/index.html"),
-	"user":				("RTEMS User Manual",			"https://docs.rtems.org/branches/master/user/index.html"),
+	"socis":			("ESA SOCIS",			"https://devel.rtems.org/wiki/SOCIS/")
 }
 
 
diff --git a/eng/preface.rst b/eng/preface.rst
index 593745c..f6fda0c 100644
--- a/eng/preface.rst
+++ b/eng/preface.rst
@@ -8,5 +8,6 @@ Preface
 This manual aims to guide the development of RTEMS itself.  You should read this
 document if you want to participate in the development of RTEMS.  Users of RTEMS
 may find background information in this manual.  Please refer to the
-:r:url:`user` and :r:url:`c-user` if you want to know how the RTEMS development
-environment is set up and how you can develop applications using RTEMS.
+RTEMS User Manual and RTEMS Classic API Guide if you want to know how the RTEMS
+development environment is set up and how you can develop applications using
+RTEMS.