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-rw-r--r--gnu/packages/abiword.scm1
-rw-r--r--gnu/packages/ada.scm6
-rw-r--r--gnu/packages/agda.scm1
-rw-r--r--gnu/packages/backup.scm1
-rw-r--r--gnu/packages/barrier.scm1
-rw-r--r--gnu/packages/bioinformatics.scm1
-rw-r--r--gnu/packages/bootstrap.scm1
-rw-r--r--gnu/packages/bqn.scm1
-rw-r--r--gnu/packages/c.scm1
-rw-r--r--gnu/packages/chemistry.scm1
-rw-r--r--gnu/packages/coq.scm1
-rw-r--r--gnu/packages/cross-base.scm1
-rw-r--r--gnu/packages/databases.scm2
-rw-r--r--gnu/packages/emacs-xyz.scm2
-rw-r--r--gnu/packages/enlightenment.scm1
-rw-r--r--gnu/packages/games.scm1
-rw-r--r--gnu/packages/geo.scm2
-rw-r--r--gnu/packages/ghostscript.scm1
-rw-r--r--gnu/packages/gl.scm1
-rw-r--r--gnu/packages/golang.scm1
-rw-r--r--gnu/packages/jami.scm1
-rw-r--r--gnu/packages/java-maths.scm1
-rw-r--r--gnu/packages/kde-frameworks.scm1
-rw-r--r--gnu/packages/kde-plasma.scm1
-rw-r--r--gnu/packages/language.scm1
-rw-r--r--gnu/packages/libreoffice.scm1
-rw-r--r--gnu/packages/linphone.scm4
-rw-r--r--gnu/packages/lisp.scm2
-rw-r--r--gnu/packages/llvm.scm1
-rw-r--r--gnu/packages/machine-learning.scm1
-rw-r--r--gnu/packages/minetest.scm1
-rw-r--r--gnu/packages/monitoring.scm1
-rw-r--r--gnu/packages/nfs.scm3
-rw-r--r--gnu/packages/ocr.scm1
-rw-r--r--gnu/packages/opencl.scm1
-rw-r--r--gnu/packages/pdf.scm1
-rw-r--r--gnu/packages/python-xyz.scm2
-rw-r--r--gnu/packages/racket.scm1
-rw-r--r--gnu/packages/rust.scm1
-rw-r--r--gnu/packages/syncthing.scm1
-rw-r--r--gnu/packages/syndication.scm1
-rw-r--r--gnu/packages/telegram.scm1
-rw-r--r--gnu/packages/vulkan.scm1
-rw-r--r--gnu/packages/web-browsers.scm1
-rw-r--r--gnu/packages/web.scm1
-rw-r--r--gnu/packages/webkit.scm1
46 files changed, 1 insertions, 60 deletions
diff --git a/gnu/packages/abiword.scm b/gnu/packages/abiword.scm
index 5a0a4cd7be..2817ca0e89 100644
--- a/gnu/packages/abiword.scm
+++ b/gnu/packages/abiword.scm
@@ -25,7 +25,6 @@
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
   #:use-module (guix download)
-  #:use-module (guix build-system gnu)
   #:use-module (guix build-system glib-or-gtk)
   #:use-module (gnu packages)
   #:use-module (gnu packages autotools)
diff --git a/gnu/packages/ada.scm b/gnu/packages/ada.scm
index ea3e9c365b..6fcd689be0 100644
--- a/gnu/packages/ada.scm
+++ b/gnu/packages/ada.scm
@@ -21,16 +21,10 @@
 (define-module (gnu packages ada)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system python)
   #:use-module (guix packages)
-  #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (gnu packages)
   #:use-module (gnu packages base)
-  #:use-module (gnu packages check)
-  #:use-module (gnu packages compression)
-  #:use-module (gnu packages python)
-  #:use-module (gnu packages python-xyz)
   #:use-module (ice-9 match))
 
 (define-public ada/ed
diff --git a/gnu/packages/agda.scm b/gnu/packages/agda.scm
index 038b38195f..0cc3151e3f 100644
--- a/gnu/packages/agda.scm
+++ b/gnu/packages/agda.scm
@@ -28,7 +28,6 @@
   #:use-module (guix build-system emacs)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system haskell)
-  #:use-module (guix build-system trivial)
   #:use-module (guix gexp)
   #:use-module (guix download)
   #:use-module (guix git-download)
diff --git a/gnu/packages/backup.scm b/gnu/packages/backup.scm
index 6815b0e337..5841c894d1 100644
--- a/gnu/packages/backup.scm
+++ b/gnu/packages/backup.scm
@@ -50,7 +50,6 @@
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system go)
-  #:use-module (guix build-system perl)
   #:use-module (guix build-system python)
   #:use-module (guix build-system qt)
   #:use-module (gnu packages)
diff --git a/gnu/packages/barrier.scm b/gnu/packages/barrier.scm
index 721fdcf314..5c2ecb0f2f 100644
--- a/gnu/packages/barrier.scm
+++ b/gnu/packages/barrier.scm
@@ -18,7 +18,6 @@
 
 (define-module (gnu packages barrier)
   #:use-module (guix build-system cmake)
-  #:use-module (guix build-system gnu)
   #:use-module (guix utils)
   #:use-module (guix git-download)
   #:use-module (guix download)
diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 5b9d754060..9470e6eb1a 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -56,7 +56,6 @@
   #:use-module (guix build-system go)
   #:use-module (guix build-system haskell)
   #:use-module (guix build-system meson)
-  #:use-module (guix build-system ocaml)
   #:use-module (guix build-system perl)
   #:use-module (guix build-system pyproject)
   #:use-module (guix build-system python)
diff --git a/gnu/packages/bootstrap.scm b/gnu/packages/bootstrap.scm
index 9ea1a3e4d1..75980f2148 100644
--- a/gnu/packages/bootstrap.scm
+++ b/gnu/packages/bootstrap.scm
@@ -30,7 +30,6 @@
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix build-system)
-  #:use-module (guix build-system gnu)
   #:use-module (guix build-system trivial)
   #:use-module ((guix store)
                 #:select (%store-monad interned-file text-file store-lift))
diff --git a/gnu/packages/bqn.scm b/gnu/packages/bqn.scm
index 8cce9564a2..9b44ea7992 100644
--- a/gnu/packages/bqn.scm
+++ b/gnu/packages/bqn.scm
@@ -23,7 +23,6 @@
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix git-download)
-  #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
   #:use-module (guix utils)
   #:use-module (gnu packages)
diff --git a/gnu/packages/c.scm b/gnu/packages/c.scm
index d6bd8c194a..b2f16613dd 100644
--- a/gnu/packages/c.scm
+++ b/gnu/packages/c.scm
@@ -44,7 +44,6 @@
   #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system python)
-  #:use-module (guix build-system trivial)
   #:use-module (guix store)
   #:use-module (gnu packages)
   #:use-module (gnu packages bash)
diff --git a/gnu/packages/chemistry.scm b/gnu/packages/chemistry.scm
index fb6d6fc27f..529d013f3d 100644
--- a/gnu/packages/chemistry.scm
+++ b/gnu/packages/chemistry.scm
@@ -67,7 +67,6 @@
   #:use-module (gnu packages web)
   #:use-module (gnu packages xml)
   #:use-module (guix build-system cmake)
-  #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system python))
 
diff --git a/gnu/packages/coq.scm b/gnu/packages/coq.scm
index 0d8cb26358..09ca4030ea 100644
--- a/gnu/packages/coq.scm
+++ b/gnu/packages/coq.scm
@@ -42,7 +42,6 @@
   #:use-module (gnu packages texinfo)
   #:use-module (guix build-system dune)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system ocaml)
   #:use-module (guix download)
   #:use-module (guix gexp)
   #:use-module (guix git-download)
diff --git a/gnu/packages/cross-base.scm b/gnu/packages/cross-base.scm
index add9a2f901..59548bac3e 100644
--- a/gnu/packages/cross-base.scm
+++ b/gnu/packages/cross-base.scm
@@ -38,7 +38,6 @@
   #:use-module (guix i18n)
   #:use-module (guix utils)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system trivial)
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-26)
   #:use-module (ice-9 match)
diff --git a/gnu/packages/databases.scm b/gnu/packages/databases.scm
index 8e0db3090a..f32c1f2d07 100644
--- a/gnu/packages/databases.scm
+++ b/gnu/packages/databases.scm
@@ -178,8 +178,6 @@
   #:use-module (guix build-system qt)
   #:use-module (guix build-system ruby)
   #:use-module (guix build-system cmake)
-  #:use-module (guix build-system scons)
-  #:use-module (guix build-system trivial)
   #:use-module (guix utils)
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-26)
diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 729c190969..6047bbe393 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -152,8 +152,6 @@
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system copy)
   #:use-module (guix build-system emacs)
-  #:use-module (guix build-system glib-or-gtk)
-  #:use-module (guix build-system perl)
   #:use-module (guix build-system trivial)
   #:use-module (gnu packages)
   #:use-module (gnu packages admin)
diff --git a/gnu/packages/enlightenment.scm b/gnu/packages/enlightenment.scm
index a08ad05143..64d8945f8e 100644
--- a/gnu/packages/enlightenment.scm
+++ b/gnu/packages/enlightenment.scm
@@ -27,7 +27,6 @@
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix utils)
-  #:use-module (guix build-system gnu)
   #:use-module (guix build-system meson)
   #:use-module (guix build-system python)
   #:use-module (gnu packages)
diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index be2b158f40..f9b4505ffe 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -216,7 +216,6 @@
   #:use-module (gnu packages xml)
   #:use-module (guix build-system copy)
   #:use-module (guix build-system cmake)
-  #:use-module (guix build-system glib-or-gtk)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system go)
   #:use-module (guix build-system meson)
diff --git a/gnu/packages/geo.scm b/gnu/packages/geo.scm
index b9a617c009..ff0dc0b6b0 100644
--- a/gnu/packages/geo.scm
+++ b/gnu/packages/geo.scm
@@ -46,8 +46,6 @@
   #:use-module (guix build-system meson)
   #:use-module (guix build-system python)
   #:use-module (guix build-system qt)
-  #:use-module (guix build-system scons)
-  #:use-module (guix build-system r)
   #:use-module (guix gexp)
   #:use-module (guix download)
   #:use-module (guix git-download)
diff --git a/gnu/packages/ghostscript.scm b/gnu/packages/ghostscript.scm
index ca522e52ab..55f3ab9364 100644
--- a/gnu/packages/ghostscript.scm
+++ b/gnu/packages/ghostscript.scm
@@ -43,7 +43,6 @@
   #:use-module (guix download)
   #:use-module (guix utils)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system trivial)
   #:use-module (srfi srfi-1))
 
 (define-public lcms
diff --git a/gnu/packages/gl.scm b/gnu/packages/gl.scm
index 09aafcc1c3..6956b989d6 100644
--- a/gnu/packages/gl.scm
+++ b/gnu/packages/gl.scm
@@ -64,7 +64,6 @@
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system meson)
   #:use-module (guix build-system python)
-  #:use-module (guix build-system waf)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
   #:use-module (guix gexp)
diff --git a/gnu/packages/golang.scm b/gnu/packages/golang.scm
index 18b785f61b..c4b6bcd874 100644
--- a/gnu/packages/golang.scm
+++ b/gnu/packages/golang.scm
@@ -66,7 +66,6 @@
   #:use-module (guix packages)
   #:use-module (guix gexp)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system trivial)
   #:use-module (guix build-system go)
   #:use-module (gnu packages)
   #:use-module (gnu packages admin)
diff --git a/gnu/packages/jami.scm b/gnu/packages/jami.scm
index 92a4e55606..83e7157f35 100644
--- a/gnu/packages/jami.scm
+++ b/gnu/packages/jami.scm
@@ -59,7 +59,6 @@
   #:use-module (gnu packages xiph)
   #:use-module (gnu packages xorg)
   #:use-module (gnu packages)
-  #:use-module (guix build-system cmake)
   #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system qt)
diff --git a/gnu/packages/java-maths.scm b/gnu/packages/java-maths.scm
index 45c42297ad..55b8a35e75 100644
--- a/gnu/packages/java-maths.scm
+++ b/gnu/packages/java-maths.scm
@@ -22,7 +22,6 @@
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (guix utils)
-  #:use-module (guix build-system ant)
   #:use-module (guix build-system gnu)
   #:use-module (gnu packages)
   #:use-module (gnu packages gcc)
diff --git a/gnu/packages/kde-frameworks.scm b/gnu/packages/kde-frameworks.scm
index 6f463d217c..10b8ac0134 100644
--- a/gnu/packages/kde-frameworks.scm
+++ b/gnu/packages/kde-frameworks.scm
@@ -31,7 +31,6 @@
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system python)
   #:use-module (guix build-system qt)
-  #:use-module (guix build-system trivial)
   #:use-module (guix download)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
diff --git a/gnu/packages/kde-plasma.scm b/gnu/packages/kde-plasma.scm
index 2a3d86f801..9000ae80d2 100644
--- a/gnu/packages/kde-plasma.scm
+++ b/gnu/packages/kde-plasma.scm
@@ -30,7 +30,6 @@
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix gexp)
   #:use-module (guix build-system cmake)
-  #:use-module (guix build-system copy)
   #:use-module (guix build-system trivial)
   #:use-module (guix build-system qt)
   #:use-module (gnu packages)
diff --git a/gnu/packages/language.scm b/gnu/packages/language.scm
index b29ed9c013..994bc09e67 100644
--- a/gnu/packages/language.scm
+++ b/gnu/packages/language.scm
@@ -61,7 +61,6 @@
   #:use-module (guix build-system glib-or-gtk)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system perl)
-  #:use-module (guix build-system python)
   #:use-module (guix build-system qt)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix download)
diff --git a/gnu/packages/libreoffice.scm b/gnu/packages/libreoffice.scm
index 5b4397581f..32802334e7 100644
--- a/gnu/packages/libreoffice.scm
+++ b/gnu/packages/libreoffice.scm
@@ -34,7 +34,6 @@
   #:use-module (guix build-system glib-or-gtk)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system python)
-  #:use-module (guix build-system trivial)
   #:use-module (guix gexp)
   #:use-module (guix download)
   #:use-module (guix git-download)
diff --git a/gnu/packages/linphone.scm b/gnu/packages/linphone.scm
index 130097ef40..84bc16805c 100644
--- a/gnu/packages/linphone.scm
+++ b/gnu/packages/linphone.scm
@@ -59,9 +59,7 @@
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (guix build-system cmake)
-  #:use-module (guix build-system qt)
-  #:use-module (guix build-system glib-or-gtk)
-  #:use-module (guix build-system gnu))
+  #:use-module (guix build-system qt))
 
 (define-public bcunit
   (let ((commit "74021cc7cb20a4e177748dd2948173e1f9c270ae")
diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index e63511fd9a..777c6edbc5 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -54,8 +54,6 @@
   #:use-module (guix utils)
   #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system ant)
-  #:use-module (guix build-system asdf)
   #:use-module (guix build-system haskell)
   #:use-module (guix build-system trivial)
   #:use-module (gnu packages admin)
diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 1468a79c90..09c546734e 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -50,7 +50,6 @@
   #:use-module (guix git-download)
   #:use-module (guix memoization)
   #:use-module (guix utils)
-  #:use-module (guix build-system gnu)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system emacs)
   #:use-module (guix build-system python)
diff --git a/gnu/packages/machine-learning.scm b/gnu/packages/machine-learning.scm
index 9aae8d8243..162bdcb74f 100644
--- a/gnu/packages/machine-learning.scm
+++ b/gnu/packages/machine-learning.scm
@@ -45,7 +45,6 @@
   #:use-module (guix build-system ocaml)
   #:use-module (guix build-system pyproject)
   #:use-module (guix build-system python)
-  #:use-module (guix build-system r)
   #:use-module (guix build-system trivial)
   #:use-module (guix git-download)
   #:use-module (gnu packages)
diff --git a/gnu/packages/minetest.scm b/gnu/packages/minetest.scm
index a30bce57de..c5fc18f5d1 100644
--- a/gnu/packages/minetest.scm
+++ b/gnu/packages/minetest.scm
@@ -46,7 +46,6 @@
   #:use-module (guix git-download)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system copy)
-  #:use-module (guix build-system trivial)
   #:use-module (guix build-system minetest)
   #:use-module ((guix licenses) #:prefix license:))
 
diff --git a/gnu/packages/monitoring.scm b/gnu/packages/monitoring.scm
index 74ec7b6cdf..629bb02acc 100644
--- a/gnu/packages/monitoring.scm
+++ b/gnu/packages/monitoring.scm
@@ -36,7 +36,6 @@
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module ((guix licenses) #:prefix license:)
-  #:use-module (guix build-system perl)
   #:use-module (guix build-system pyproject)
   #:use-module (guix build-system python)
   #:use-module (guix build-system gnu)
diff --git a/gnu/packages/nfs.scm b/gnu/packages/nfs.scm
index d5ebe6a760..88d4069587 100644
--- a/gnu/packages/nfs.scm
+++ b/gnu/packages/nfs.scm
@@ -33,10 +33,7 @@
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
   #:use-module (gnu packages sqlite)
-  #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system python)
-  #:use-module (guix build-system trivial)
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module ((guix licenses) #:prefix license:)
diff --git a/gnu/packages/ocr.scm b/gnu/packages/ocr.scm
index 0382e0d869..c1cd4f061e 100644
--- a/gnu/packages/ocr.scm
+++ b/gnu/packages/ocr.scm
@@ -31,7 +31,6 @@
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system python)
   #:use-module (gnu packages)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages backup)
diff --git a/gnu/packages/opencl.scm b/gnu/packages/opencl.scm
index 847284c427..fdfb7d0a27 100644
--- a/gnu/packages/opencl.scm
+++ b/gnu/packages/opencl.scm
@@ -20,7 +20,6 @@
 (define-module (gnu packages opencl)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system cmake)
-  #:use-module (guix build-system copy)
   #:use-module (guix build-system python)
   #:use-module (guix download)
   #:use-module (guix utils)
diff --git a/gnu/packages/pdf.scm b/gnu/packages/pdf.scm
index 864c23b0d2..378b1b2411 100644
--- a/gnu/packages/pdf.scm
+++ b/gnu/packages/pdf.scm
@@ -53,7 +53,6 @@
   #:use-module (guix build-system pyproject)
   #:use-module (guix build-system python)
   #:use-module (guix build-system qt)
-  #:use-module (guix build-system trivial)
   #:use-module (gnu packages)
   #:use-module (gnu packages audio)
   #:use-module (gnu packages autotools)
diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 445f5a787d..ac09edcc98 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -257,7 +257,6 @@
   #:use-module (gnu packages serialization)
   #:use-module (guix packages)
   #:use-module (guix download)
-  #:use-module (guix gexp)
   #:use-module (guix git-download)
   #:use-module (guix hg-download)
   #:use-module (guix gexp)
@@ -266,7 +265,6 @@
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system pyproject)
   #:use-module (guix build-system python)
-  #:use-module (guix build-system trivial)
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-26))
 
diff --git a/gnu/packages/racket.scm b/gnu/packages/racket.scm
index 2cda2b6b9c..b5959e5f68 100644
--- a/gnu/packages/racket.scm
+++ b/gnu/packages/racket.scm
@@ -26,7 +26,6 @@
   #:use-module (guix git-download)
   #:use-module (guix utils)
   #:use-module (guix gexp)
-  #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
   #:use-module (guix diagnostics)
   #:use-module (guix i18n)
diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index c0f663977a..133c46fb7c 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -54,7 +54,6 @@
   #:use-module (guix build-system cargo)
   #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system trivial)
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module ((guix licenses) #:prefix license:)
diff --git a/gnu/packages/syncthing.scm b/gnu/packages/syncthing.scm
index 74c25ed3ab..5f98cb56b0 100644
--- a/gnu/packages/syncthing.scm
+++ b/gnu/packages/syncthing.scm
@@ -26,7 +26,6 @@
 (define-module (gnu packages syncthing)
   #:use-module (guix build-system go)
   #:use-module (guix build-system python)
-  #:use-module (guix build-system trivial)
   #:use-module (guix gexp)
   #:use-module (guix packages)
   #:use-module (guix download)
diff --git a/gnu/packages/syndication.scm b/gnu/packages/syndication.scm
index 506245fd17..769cc85d37 100644
--- a/gnu/packages/syndication.scm
+++ b/gnu/packages/syndication.scm
@@ -33,7 +33,6 @@
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system meson)
   #:use-module (guix build-system python)
-  #:use-module (guix build-system qt)
   #:use-module (gnu packages)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages base)
diff --git a/gnu/packages/telegram.scm b/gnu/packages/telegram.scm
index ad9ca74a6c..c6ab5d312c 100644
--- a/gnu/packages/telegram.scm
+++ b/gnu/packages/telegram.scm
@@ -75,7 +75,6 @@
   #:use-module (guix build-system copy)
   #:use-module (guix build-system glib-or-gtk)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system meson)
   #:use-module (guix build-system python)
   #:use-module (guix build-system qt))
 
diff --git a/gnu/packages/vulkan.scm b/gnu/packages/vulkan.scm
index a2db5511d5..9203731865 100644
--- a/gnu/packages/vulkan.scm
+++ b/gnu/packages/vulkan.scm
@@ -28,7 +28,6 @@
   #:use-module (guix gexp)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system meson)
   #:use-module (gnu packages)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages bison)
diff --git a/gnu/packages/web-browsers.scm b/gnu/packages/web-browsers.scm
index b898311c51..b35d29c160 100644
--- a/gnu/packages/web-browsers.scm
+++ b/gnu/packages/web-browsers.scm
@@ -38,7 +38,6 @@
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
 (define-module (gnu packages web-browsers)
-  #:use-module (guix build-system asdf)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system glib-or-gtk)
   #:use-module (guix build-system gnu)
diff --git a/gnu/packages/web.scm b/gnu/packages/web.scm
index 7e49f798ea..271c6ffa81 100644
--- a/gnu/packages/web.scm
+++ b/gnu/packages/web.scm
@@ -98,7 +98,6 @@
   #:use-module (guix build-system meson)
   #:use-module (guix build-system perl)
   #:use-module (guix build-system python)
-  #:use-module (guix build-system qt)
   #:use-module (guix build-system scons)
   #:use-module (guix build-system trivial)
   #:use-module (gnu packages)
diff --git a/gnu/packages/webkit.scm b/gnu/packages/webkit.scm
index 61c75dd901..5dd66ecd76 100644
--- a/gnu/packages/webkit.scm
+++ b/gnu/packages/webkit.scm
@@ -33,7 +33,6 @@
   #:use-module (guix build utils)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system meson)
-  #:use-module (guix build-system gnu)
   #:use-module (gnu packages)
   #:use-module (gnu packages base)
   #:use-module (gnu packages bison)