diff --git a/glicid/packages/parallel.scm b/glicid/packages/parallel.scm
index f0debf4..689cec1 100644
--- a/glicid/packages/parallel.scm
+++ b/glicid/packages/parallel.scm
@@ -6,7 +6,7 @@
   #:use-module (guix build-system gnu)
   #:use-module ((guix licenses)
                 #:prefix license:)
-  #:use-module (gnu packages parallel)
+  #:use-module ((gnu packages parallel) #:prefix gnu:)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages libevent)
   #:use-module (gnu packages perl)
@@ -119,86 +119,9 @@
 (define-public openpmix
   openpmix-3) ; compat with nautilus…
 
-(define-public slurm-20.02-upstream
-  (package
-    (inherit slurm-20.02)
-    (name "slurm-upstream")
-    (version "20.02.7")
-    (source (origin
-              (inherit (package-source slurm-20.02))
-              (method url-fetch)
-              (uri (string-append "https://download.schedmd.com/slurm/slurm-"
-                                  version ".tar.bz2"))
-              (sha256
-               (base32
-                "1khlv69q41chgkcs1i7l651hvyx8sz3j9yhjbgky3gpqrgrmz1h6"))))))
-
-(define slurm-20.02-latest
-  (latest-version slurm-20.02 slurm-20.02-upstream))
-
-(define-public slurm-20.02-glicid
-  (package
-    (inherit slurm-20.02-latest)
-    (name "slurm-glicid")
-    (inputs (modify-inputs (package-inputs slurm-20.02-latest)
-              (prepend gtk+-2
-                       `(,mariadb "dev"))))))
-
-(define-public slurm-20.11-upstream
-  (package
-    (inherit slurm-20.11)
-    (name "slurm-upstream")
-    (version "20.11.9")
-    (source (origin
-              (inherit (package-source slurm-20.11))
-              (method url-fetch)
-              (uri (string-append "https://download.schedmd.com/slurm/slurm-"
-                                  version ".tar.bz2"))
-              (sha256
-               (base32
-                "0xq2d6dm285y541dyg1h66z7svsisrq8c81ag0f601xz1cn3mq9m"))
-
-              ))))
-
-(define slurm-20.11-latest
-  (latest-version slurm-20.11 slurm-20.11-upstream))
-
-(define-public slurm-20.11-glicid
-  (package
-    (inherit slurm-20.11-latest)
-    (name "slurm-glicid")
-    (inputs (modify-inputs (package-inputs slurm-20.11-latest)
-              (prepend gtk+-2
-                       `(,mariadb "dev"))))))
-
-(define-public slurm-21.08-upstream
-  (package
-    (inherit slurm)
-    (name "slurm-upstream")
-    (version "21.08.8-2")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://download.schedmd.com/slurm/slurm-"
-                                  version ".tar.bz2"))
-              (sha256
-               (base32
-                "01lynxvfzjswq5zxfxzjqjalj1s596lh58f5g8xqb6as9gdcyzgg"))))))
-
-(define slurm-21.08-latest
-  (latest-version slurm slurm-21.08-upstream))
-
-(define-public slurm-21.08-glicid
-  (package
-    (inherit slurm-21.08-latest)
-    (name "slurm-glicid")
-
-    (inputs (modify-inputs (package-inputs slurm-21.08-latest)
-              (prepend gtk+-2
-                       `(,mariadb "dev"))))))
-
 (define-public slurm-22.05-upstream
   (package
-    (inherit slurm)
+    (inherit gnu:slurm)
     (name "slurm-upstream")
     (version "22.05.10")
     (source (origin
@@ -210,7 +133,7 @@
                 "0vjc2kc9blky6y222db21rm15yqqijyv28kwp734c5acc4mdmqac"))))))
 
 (define slurm-22.05-latest
-  (latest-version slurm-22.05 slurm-22.05-upstream))
+  (latest-version gnu:slurm-22.05 slurm-22.05-upstream))
 
 (define-public slurm-22.05-glicid-std
   (package
@@ -266,7 +189,7 @@
 
 (define-public slurm-23.02-upstream
   (package
-    (inherit slurm)
+    (inherit gnu:slurm)
     (name "slurm-upstream")
     (version "23.02.0")
 ;    (source (origin
@@ -290,7 +213,7 @@
 
 
 (define slurm-23.02-latest
-  (latest-version slurm slurm-23.02-upstream))
+  (latest-version gnu:slurm slurm-23.02-upstream))
 
 (define-public slurm-23.02-glicid
   (package