diff --git a/collects/scribble/base.rkt b/collects/scribble/base.rkt
index a563cf99..94e88abe 100644
--- a/collects/scribble/base.rkt
+++ b/collects/scribble/base.rkt
@@ -7,9 +7,8 @@
          "html-properties.rkt"
          scheme/list
          scheme/class
-         scheme/contract
+         racket/contract/base
          setup/main-collects
-         syntax/modresolve
          (for-syntax scheme/base))
 
 ;; ----------------------------------------
diff --git a/collects/scribble/base/lang.rkt b/collects/scribble/base/lang.rkt
index 173f2c1e..a9642769 100644
--- a/collects/scribble/base/lang.rkt
+++ b/collects/scribble/base/lang.rkt
@@ -1,4 +1,4 @@
-#lang scheme
+#lang racket/base
 (require scribble/doclang scribble/base)
 (provide (all-from-out scribble/doclang
                        scribble/base))
diff --git a/collects/scribble/bnf.rkt b/collects/scribble/bnf.rkt
index 597dead1..d3575ae2 100644
--- a/collects/scribble/bnf.rkt
+++ b/collects/scribble/bnf.rkt
@@ -1,8 +1,7 @@
 (module bnf mzscheme
   (require "struct.rkt"
            "decode.rkt"
-           mzlib/kw
-           mzlib/class)
+           mzlib/kw)
 
   (provide BNF 
            nonterm
diff --git a/collects/scribble/core.rkt b/collects/scribble/core.rkt
index aa884601..51303511 100644
--- a/collects/scribble/core.rkt
+++ b/collects/scribble/core.rkt
@@ -1,7 +1,7 @@
 #lang scheme/base
 (require "private/provide-structs.rkt"
          scheme/serialize
-         scheme/contract
+         racket/contract/base
          file/convertible)
 
 ;; ----------------------------------------
diff --git a/collects/scribble/decode-struct.rkt b/collects/scribble/decode-struct.rkt
index 2583e4cb..3a56e267 100644
--- a/collects/scribble/decode-struct.rkt
+++ b/collects/scribble/decode-struct.rkt
@@ -1,7 +1,5 @@
 #lang scheme/base
-
-(require "core.rkt"
-         "private/provide-structs.rkt")
+(require "private/provide-structs.rkt")
 
 (provide-structs
  [part-index-desc ()])
diff --git a/collects/scribble/decode.rkt b/collects/scribble/decode.rkt
index 2f5f51de..c6d8beff 100644
--- a/collects/scribble/decode.rkt
+++ b/collects/scribble/decode.rkt
@@ -2,8 +2,7 @@
 (require "core.rkt"
          "private/provide-structs.rkt"
          "decode-struct.rkt"
-         scheme/contract
-         scheme/class
+         racket/contract/base
          scheme/list)
 
 (define (pre-content? i)
diff --git a/collects/scribble/doclang.rkt b/collects/scribble/doclang.rkt
index 1acbea93..f0590eee 100644
--- a/collects/scribble/doclang.rkt
+++ b/collects/scribble/doclang.rkt
@@ -1,7 +1,6 @@
 #lang racket/base
 
-(require "struct.rkt"
-         "decode.rkt"
+(require "decode.rkt"
          (for-syntax racket/base
                      syntax/kerncase))
 
diff --git a/collects/scribble/eval.rkt b/collects/scribble/eval.rkt
index 7563af1d..2b944f7a 100644
--- a/collects/scribble/eval.rkt
+++ b/collects/scribble/eval.rkt
@@ -1,8 +1,9 @@
 #lang racket/base
 
 (require "manual.rkt" "struct.rkt" "scheme.rkt" "decode.rkt"
-         racket/string racket/list racket/file
-         racket/sandbox racket/promise racket/port file/convertible
+         racket/list
+         file/convertible ;; attached into new namespace via anchor
+         racket/sandbox racket/promise racket/port
          racket/gui/dynamic
          (for-syntax racket/base))
 
diff --git a/collects/scribble/html-properties.rkt b/collects/scribble/html-properties.rkt
index a46b9785..9d46cabc 100644
--- a/collects/scribble/html-properties.rkt
+++ b/collects/scribble/html-properties.rkt
@@ -1,6 +1,6 @@
 #lang scheme/base
 (require "private/provide-structs.rkt"
-         scheme/contract)
+         racket/contract/base)
 
 (provide-structs
  [body-id ([value string?])]
diff --git a/collects/scribble/html/resource.rkt b/collects/scribble/html/resource.rkt
index 54632f4e..1cd83ec7 100644
--- a/collects/scribble/html/resource.rkt
+++ b/collects/scribble/html/resource.rkt
@@ -26,7 +26,7 @@
 ;; rendering; they will also be rendered in turn until no more resources are
 ;; created.
 
-(require racket/list racket/string scribble/text "xml.rkt")
+(require scribble/text)
 
 ;; default file, urls to it will point to its directory instead, and a
 ;; /-suffixed path will render to this file
diff --git a/collects/scribble/jfp/lang.rkt b/collects/scribble/jfp/lang.rkt
index 3ee36659..429ece6d 100644
--- a/collects/scribble/jfp/lang.rkt
+++ b/collects/scribble/jfp/lang.rkt
@@ -1,8 +1,6 @@
 #lang scheme/base
 (require scribble/doclang
-         scribble/core
          (except-in scribble/base author)
-         scribble/decode
          scribble/jfp
          setup/main-collects
          "../private/defaults.rkt"
diff --git a/collects/scribble/latex-properties.rkt b/collects/scribble/latex-properties.rkt
index f0386092..7e6396aa 100644
--- a/collects/scribble/latex-properties.rkt
+++ b/collects/scribble/latex-properties.rkt
@@ -1,6 +1,6 @@
 #lang scheme/base
 (require "private/provide-structs.rkt"
-         scheme/contract)
+         racket/contract/base)
 
 (provide-structs
  [tex-addition ([path (or/c path-string? (cons/c 'collects (listof bytes?)))])]
diff --git a/collects/scribble/latex-render.rkt b/collects/scribble/latex-render.rkt
index ba574c16..1657907d 100644
--- a/collects/scribble/latex-render.rkt
+++ b/collects/scribble/latex-render.rkt
@@ -1,12 +1,10 @@
 #lang scheme/base
-
 (require "core.rkt"
          "latex-properties.rkt"
          "private/render-utils.rkt"
          scheme/class
          scheme/runtime-path
          scheme/port
-         scheme/path
          scheme/string
          scheme/list
          setup/main-collects
diff --git a/collects/scribble/lncs/lang.rkt b/collects/scribble/lncs/lang.rkt
index bfde172f..9051d355 100644
--- a/collects/scribble/lncs/lang.rkt
+++ b/collects/scribble/lncs/lang.rkt
@@ -6,16 +6,15 @@
          (prefix-in s/b: scribble/base)
          scribble/decode
          "../private/defaults.rkt"
-         (for-syntax racket/base racket/list)
          setup/main-collects
          scribble/html-properties
          scribble/latex-properties
          racket/stxparam
          net/ftp
          file/gunzip
-         (for-syntax racket/stxparam-exptime 
-                     racket/base
-                     setup/dirs))
+         (for-syntax racket/base
+                     racket/list
+                     racket/stxparam-exptime))
 
 (provide (except-out (all-from-out scribble/doclang) #%module-begin)
          (all-from-out scribble/base)
diff --git a/collects/scribble/lp.rkt b/collects/scribble/lp.rkt
index eebf6cd5..b96a8a0b 100644
--- a/collects/scribble/lp.rkt
+++ b/collects/scribble/lp.rkt
@@ -1,4 +1,3 @@
-#lang scheme
-
+#lang racket/base
 (require scribble/private/lp)
 (provide chunk)
diff --git a/collects/scribble/lp/lang/lang.rkt b/collects/scribble/lp/lang/lang.rkt
index 640849a0..9a65f368 100644
--- a/collects/scribble/lp/lang/lang.rkt
+++ b/collects/scribble/lp/lang/lang.rkt
@@ -3,7 +3,7 @@
 (provide (except-out (all-from-out scheme/base) #%module-begin)
          (rename-out [module-begin #%module-begin]))
 
-(require (for-syntax scheme/base syntax/boundmap scheme/list syntax/kerncase
+(require (for-syntax scheme/base syntax/boundmap scheme/list
                      syntax/strip-context))
 
 ;; --- MF: bad hack for getting rid of comments
diff --git a/collects/scribble/manual-struct.rkt b/collects/scribble/manual-struct.rkt
index 44963912..0e229abd 100644
--- a/collects/scribble/manual-struct.rkt
+++ b/collects/scribble/manual-struct.rkt
@@ -1,8 +1,7 @@
 #lang scheme/base
-
 (require "core.rkt"
          "private/provide-structs.rkt"
-         scheme/contract)
+         racket/contract/base)
 
 (provide-structs
  [module-path-index-desc ()]
diff --git a/collects/scribble/private/indirect-renderer.rkt b/collects/scribble/private/indirect-renderer.rkt
index dc6f9511..68371ecf 100644
--- a/collects/scribble/private/indirect-renderer.rkt
+++ b/collects/scribble/private/indirect-renderer.rkt
@@ -1,6 +1,6 @@
 #lang racket/base
 
-(require racket/class racket/file racket/path racket/port)
+(require racket/class racket/file racket/path)
 
 (provide make-indirect-renderer-mixin)
 
diff --git a/collects/scribble/private/lp.rkt b/collects/scribble/private/lp.rkt
index a565a293..28efb5bb 100644
--- a/collects/scribble/private/lp.rkt
+++ b/collects/scribble/private/lp.rkt
@@ -1,6 +1,6 @@
 #lang scheme/base
 
-(require (for-syntax scheme/base syntax/boundmap scheme/list syntax/kerncase)
+(require (for-syntax scheme/base syntax/boundmap)
          scribble/scheme scribble/decode scribble/manual scribble/struct)
 
 (begin-for-syntax
diff --git a/collects/scribble/private/manual-bib.rkt b/collects/scribble/private/manual-bib.rkt
index afc155ce..08b25741 100644
--- a/collects/scribble/private/manual-bib.rkt
+++ b/collects/scribble/private/manual-bib.rkt
@@ -1,5 +1,5 @@
 #lang scheme/base
-(require scheme/contract
+(require racket/contract/base
          "../decode.rkt"
          "../struct.rkt"
          "../basic.rkt"
diff --git a/collects/scribble/private/manual-bind.rkt b/collects/scribble/private/manual-bind.rkt
index 7acf507c..d5c4c839 100644
--- a/collects/scribble/private/manual-bind.rkt
+++ b/collects/scribble/private/manual-bind.rkt
@@ -1,25 +1,15 @@
 #lang scheme/base
-(require "../decode.rkt"
-         "../struct.rkt"
+(require "../struct.rkt"
          "../scheme.rkt"
          "../search.rkt"
          "../basic.rkt"
          "../manual-struct.rkt"
          "manual-ex.rkt"
-         scheme/string
-         scheme/contract
-         scheme/list
-         scheme/class
-         scheme/stxparam
-         scheme/serialize
-         setup/main-collects
-         (for-syntax scheme/base
-                     syntax/boundmap
-                     syntax/kerncase)
+         racket/contract/base
+         (for-syntax scheme/base)
          (for-label scheme/base
                     scheme/class))
 
-
 (provide definition-site
          libs->taglet
          annote-exporting-library
diff --git a/collects/scribble/private/manual-class.rkt b/collects/scribble/private/manual-class.rkt
index 7c55292a..54b5f1b2 100644
--- a/collects/scribble/private/manual-class.rkt
+++ b/collects/scribble/private/manual-class.rkt
@@ -9,14 +9,11 @@
          scheme/serialize
          scheme/stxparam
          "manual-utils.rkt"
-         "manual-vars.rkt"
          "manual-style.rkt"
          "manual-scheme.rkt"
          "manual-bind.rkt"
          "manual-method.rkt"
          "manual-proc.rkt"
-         "manual-ex.rkt"
-         scheme/string
          scheme/list
          (for-syntax scheme/base)
          (for-label scheme/base
diff --git a/collects/scribble/private/manual-code.rkt b/collects/scribble/private/manual-code.rkt
index f90e7507..362e1985 100644
--- a/collects/scribble/private/manual-code.rkt
+++ b/collects/scribble/private/manual-code.rkt
@@ -2,7 +2,6 @@
 (require syntax/strip-context
          syntax-color/module-lexer
          "../racket.rkt"
-         "../core.rkt"
          "../base.rkt"
          "manual-scheme.rkt"
          "manual-style.rkt"
diff --git a/collects/scribble/private/manual-form.rkt b/collects/scribble/private/manual-form.rkt
index 2a30f171..76b8f922 100644
--- a/collects/scribble/private/manual-form.rkt
+++ b/collects/scribble/private/manual-form.rkt
@@ -2,23 +2,17 @@
 (require "../decode.rkt"
          "../struct.rkt"
          "../scheme.rkt"
-         "../search.rkt"
          "../basic.rkt"
          "../manual-struct.rkt"
          "qsloc.rkt"
          "manual-utils.rkt"
          "manual-vars.rkt"
-         "manual-style.rkt"
          "manual-scheme.rkt"
          "manual-bind.rkt"
-         "manual-method.rkt"
-         "manual-ex.rkt"
-         scheme/string
          scheme/list
          (for-syntax scheme/base)
          (for-label scheme/base))
 
-
 (provide defform defform* defform/subs defform*/subs defform/none
          defidform defidform/inline
          specform specform/subs
diff --git a/collects/scribble/private/manual-mod.rkt b/collects/scribble/private/manual-mod.rkt
index 6cd96aec..10c7df11 100644
--- a/collects/scribble/private/manual-mod.rkt
+++ b/collects/scribble/private/manual-mod.rkt
@@ -6,8 +6,6 @@
          "manual-ex.rkt"
          "manual-style.rkt"
          "manual-scheme.rkt"
-         scheme/string
-         scheme/list
          (for-syntax scheme/base)
          (for-label scheme/base))
 
diff --git a/collects/scribble/private/manual-proc.rkt b/collects/scribble/private/manual-proc.rkt
index c7b9eaca..191cbcb4 100644
--- a/collects/scribble/private/manual-proc.rkt
+++ b/collects/scribble/private/manual-proc.rkt
@@ -1,8 +1,6 @@
 #lang racket/base
-(require "../decode.rkt"
-         "../struct.rkt"
+(require "../struct.rkt"
          "../scheme.rkt"
-         "../search.rkt"
          "../basic.rkt"
          "../manual-struct.rkt"
          (only-in "../core.rkt" 
diff --git a/collects/scribble/private/manual-scheme.rkt b/collects/scribble/private/manual-scheme.rkt
index 307938cc..113d6a1e 100644
--- a/collects/scribble/private/manual-scheme.rkt
+++ b/collects/scribble/private/manual-scheme.rkt
@@ -4,10 +4,8 @@
          "../scheme.rkt"
          "../search.rkt"
          "../basic.rkt"
-         (only-in "../core.rkt" make-style box-mode)
-         racket/list
-         "manual-utils.rkt"
          "manual-style.rkt"
+         "manual-utils.rkt" ;; used via datum->syntax
          (for-syntax racket/base)
          (for-label racket/base))
 
diff --git a/collects/scribble/private/manual-sprop.rkt b/collects/scribble/private/manual-sprop.rkt
index 88778707..35c206fe 100644
--- a/collects/scribble/private/manual-sprop.rkt
+++ b/collects/scribble/private/manual-sprop.rkt
@@ -1,10 +1,8 @@
 #lang scheme/base
-
 (require "../html-properties.rkt"
          "../latex-properties.rkt"
          "on-demand.rkt"
-         setup/main-collects
-         scheme/promise)
+         setup/main-collects)
 
 (provide scheme-properties)
 
diff --git a/collects/scribble/private/manual-style.rkt b/collects/scribble/private/manual-style.rkt
index 39b96860..61ad3bb5 100644
--- a/collects/scribble/private/manual-style.rkt
+++ b/collects/scribble/private/manual-style.rkt
@@ -11,7 +11,7 @@
          "on-demand.rkt"
          "manual-sprop.rkt"
          racket/list
-         racket/contract
+         racket/contract/base
          racket/string)
 
 (provide (rename-out [hyperlink link])
diff --git a/collects/scribble/private/manual-tech.rkt b/collects/scribble/private/manual-tech.rkt
index 5f32d4d9..1a508b75 100644
--- a/collects/scribble/private/manual-tech.rkt
+++ b/collects/scribble/private/manual-tech.rkt
@@ -1,8 +1,7 @@
 #lang scheme/base
-(require scheme/contract
+(require racket/contract/base
          "../decode.rkt"
          "../struct.rkt"
-         "../basic.rkt"
          "manual-utils.rkt"
          "manual-style.rkt")
 
diff --git a/collects/scribble/private/manual-unit.rkt b/collects/scribble/private/manual-unit.rkt
index 6fe9ecdf..a336e62e 100644
--- a/collects/scribble/private/manual-unit.rkt
+++ b/collects/scribble/private/manual-unit.rkt
@@ -1,17 +1,11 @@
 #lang scheme/base
 (require "../decode.rkt"
          "../struct.rkt"
-         "../scheme.rkt"
-         "../search.rkt"
-         "../basic.rkt"
-         "manual-utils.rkt"
          "manual-vars.rkt"
-         "manual-style.rkt"
-         "manual-scheme.rkt"
          "manual-bind.rkt"
          "manual-ex.rkt"
          "manual-proc.rkt"
-         scheme/contract
+         racket/contract/base
          (for-syntax scheme/base)
          (for-label scheme/base))
 
diff --git a/collects/scribble/private/manual-utils.rkt b/collects/scribble/private/manual-utils.rkt
index 6ed36a5a..4a07d68e 100644
--- a/collects/scribble/private/manual-utils.rkt
+++ b/collects/scribble/private/manual-utils.rkt
@@ -1,10 +1,9 @@
 #lang scheme/base
 (require "../struct.rkt"
-         "../decode.rkt"
          "../base.rkt"
          (only-in "../core.rkt"
                    content?)
-         scheme/contract
+         racket/contract/base
          scheme/list)
 
 (provide doc-prefix)
diff --git a/collects/scribble/private/manual-vars.rkt b/collects/scribble/private/manual-vars.rkt
index e6c02759..c287f7d5 100644
--- a/collects/scribble/private/manual-vars.rkt
+++ b/collects/scribble/private/manual-vars.rkt
@@ -6,7 +6,7 @@
                   make-style style-name 
                   nested-flow? nested-flow-blocks nested-flow-style)
          "../html-properties.rkt"
-         scheme/contract
+         racket/contract/base
          (for-syntax scheme/base
                      syntax/kerncase
                      syntax/boundmap)
diff --git a/collects/scribble/private/on-demand.rkt b/collects/scribble/private/on-demand.rkt
index 6a97468d..11b78b16 100644
--- a/collects/scribble/private/on-demand.rkt
+++ b/collects/scribble/private/on-demand.rkt
@@ -1,4 +1,6 @@
-#lang scheme
+#lang racket/base
+(require racket/promise
+         (for-syntax racket/base))
 (provide define-on-demand)
 
 (define-syntax-rule (define-on-demand id rhs)
diff --git a/collects/scribble/private/provide-structs.rkt b/collects/scribble/private/provide-structs.rkt
index 18162c2e..66aa3b4e 100644
--- a/collects/scribble/private/provide-structs.rkt
+++ b/collects/scribble/private/provide-structs.rkt
@@ -1,6 +1,6 @@
 #lang scheme/base
 (require scheme/serialize
-         scheme/contract
+         racket/contract/base
          (for-syntax scheme/base))
 
 (provide provide-structs)
diff --git a/collects/scribble/private/run-pdflatex.rkt b/collects/scribble/private/run-pdflatex.rkt
index 7efec3a3..49638b85 100644
--- a/collects/scribble/private/run-pdflatex.rkt
+++ b/collects/scribble/private/run-pdflatex.rkt
@@ -1,6 +1,6 @@
 #lang scheme/base
 
-(require scheme/system scheme/port scheme/promise)
+(require scheme/system scheme/port)
 
 (provide run-pdflatex)
 
diff --git a/collects/scribble/racket.rkt b/collects/scribble/racket.rkt
index 321eb718..e408e88b 100644
--- a/collects/scribble/racket.rkt
+++ b/collects/scribble/racket.rkt
@@ -4,10 +4,6 @@
            "search.rkt"
            "private/manual-sprop.rkt"
            "private/on-demand.rkt"
-           mzlib/class
-           mzlib/for
-           syntax/modresolve
-           syntax/modcode
            file/convertible
            (for-syntax racket/base))
   
diff --git a/collects/scribble/render.rkt b/collects/scribble/render.rkt
index f9ee4a72..14310102 100644
--- a/collects/scribble/render.rkt
+++ b/collects/scribble/render.rkt
@@ -5,7 +5,7 @@
          "xref.rkt"
          racket/file
          racket/class
-         racket/contract
+         racket/contract/base
          (prefix-in html:  "html-render.rkt"))
 
 (provide/contract 
diff --git a/collects/scribble/search.rkt b/collects/scribble/search.rkt
index 2db52b6c..38695def 100644
--- a/collects/scribble/search.rkt
+++ b/collects/scribble/search.rkt
@@ -1,7 +1,6 @@
 (module search racket/base
   (require "struct.rkt"
            "basic.rkt"
-           setup/main-collects
            syntax/modcode)
 
   (provide find-racket-tag
diff --git a/collects/scribble/sigplan.rkt b/collects/scribble/sigplan.rkt
index 8607a800..0a6e8f68 100644
--- a/collects/scribble/sigplan.rkt
+++ b/collects/scribble/sigplan.rkt
@@ -1,6 +1,6 @@
 #lang scheme/base
 (require setup/main-collects
-         scheme/contract
+         racket/contract/base
          scribble/core
          scribble/base
          scribble/decode
diff --git a/collects/scribble/sigplan/lang.rkt b/collects/scribble/sigplan/lang.rkt
index 2f01623a..49b3dae9 100644
--- a/collects/scribble/sigplan/lang.rkt
+++ b/collects/scribble/sigplan/lang.rkt
@@ -2,7 +2,6 @@
 (require scribble/doclang
          scribble/core
          scribble/base
-         scribble/decode
          scribble/sigplan
          racket/list
          "../private/defaults.rkt"
diff --git a/collects/scribble/srcdoc.rkt b/collects/scribble/srcdoc.rkt
index 2553b2f2..e1253e78 100644
--- a/collects/scribble/srcdoc.rkt
+++ b/collects/scribble/srcdoc.rkt
@@ -1,6 +1,5 @@
 #lang scheme/base
-
-(require scheme/contract
+(require racket/contract/base
          (for-syntax scheme/base)
          "provide-doc-transform.rkt")
 
diff --git a/collects/scribble/struct.rkt b/collects/scribble/struct.rkt
index f3ff18f6..c9fa8cb6 100644
--- a/collects/scribble/struct.rkt
+++ b/collects/scribble/struct.rkt
@@ -7,7 +7,7 @@
          "html-properties.rkt"
          scheme/provide-syntax
          scheme/struct-info
-         scheme/contract
+         racket/contract/base
          (for-syntax scheme/base))
 
 (define-provide-syntax (compat**-out stx)
diff --git a/collects/scribble/xref.rkt b/collects/scribble/xref.rkt
index bb5918a0..19407860 100644
--- a/collects/scribble/xref.rkt
+++ b/collects/scribble/xref.rkt
@@ -1,15 +1,11 @@
 #lang scheme/base
 
 (require scribble/struct
-         scribble/manual-struct
-         scribble/decode-struct
          scribble/base-render
          scribble/search
          (prefix-in html: scribble/html-render)
          scheme/class
-         mzlib/serialize
-         scheme/path
-         setup/main-collects)
+         scheme/path)
 
 (provide load-xref
          xref?