diff --git a/gnu/packages/gnuzilla.scm b/gnu/packages/gnuzilla.scm
index 873cccaa9c..ddbc483d32 100644
--- a/gnu/packages/gnuzilla.scm
+++ b/gnu/packages/gnuzilla.scm
@@ -1156,279 +1156,6 @@ standards of the IceCat project.")
        (cpe-name . "firefox_esr")
        (cpe-version . ,(first (string-split version #\-)))))))

-(define mozilla-68-compare-locales
-  (origin
-    (method hg-fetch)
-    (uri (hg-reference
-          (url "https://hg.mozilla.org/l10n/compare-locales/")
-          (changeset "RELEASE_3_3_0")))
-    (file-name "mozilla-68-compare-locales")
-    (sha256 (base32 "0biazbq7vbi99b99rfn4szwyx032dkpi09c9z4zs6f1br0f86iy1"))))
-
-(define all-mozilla-68-locales
-  (mozilla-locales
-   ;;                      sha256                            changeset    locale
-   ;;---------------------------------------------------------------------------
-   ("0pybx6j2ycbrr1xmv0spv19sd8a1dyzcs8kf6pzn71w8y6kiagcf" "35959cf2343c" "ach")
-   ("0dixmkha738w7fkx20nx95xkfyrqb9vczpy6m03qnqfvb76xaxj5" "e8dc1010f909" "af")
-   ("124j09va25gwfxdzyfixrli0skxv53c7niagjyp7g3a3kcv2lbhc" "4c67f6b96a7b" "an")
-   ("0flgqll3xx0ym0zj0w9j2jw3fmhs6h9m4l5da6m0bpnk5ff80r06" "34cbea5f44a5" "ar")
-   ("0kdb1yqfbfz508f4p77z3p1v6fwy190vs5ipj58hgdixjgbxkqay" "b4790b27633c" "ast")
-   ("1vm5xw6wg12pygswd3p0qpkaxyryah6nif5n15chb4sb42c1gqcm" "96d341bf49d4" "az")
-   ("1j2qrrws51qij6haz5b77n5vzqhsxgs1ppqqw4mdrkacwvz4ciwh" "4adaede00646" "be")
-   ("0ydr8f9lbd51prgcbjb5yacb461j8va0s5bqfs0rnglkvhmk6ard" "d1140972aefe" "bg")
-   ("0wyw90zjp8kpd1gljng00in9wr2cf59ww6z002lgx5k4gibnqcfd" "2b3ce92c2310" "bn")
-   ("0kkq621h1qdmimyrmms9g5p70m54z2ddw4cd962nqbkrnmabq9vn" "426896350893" "br")
-   ("0vibhnb3cbpbgf10db04g6vm372kb9i27p0jkwif019f7qprswd8" "7463f339ce07" "bs")
-   ("1l8cn2fqfvx7bswzfy9vavv8cd32ha9ygdxxdbxi64wcgw0f80bf" "dab3f05125e4" "ca")
-   ("0fik17y8zyg9w82lq501ic73a53c0q9r8v4zgn9bnzgsygig8qpq" "ebb9d989275a" "cak")
-   ("0sj29v6144h39wzb4rvxph3cwgvs4gzkgpr0463d3fcs6jdi0kjs" "522352780348" "cs")
-   ("1nz8jlx62l69jcdi59hlk8jysm15sh3d1cxqginjmx7w351wsidm" "0791b954c333" "cy")
-   ("1vc01q1vlq26xm1vm1x0119jawxxp975p9k8ashmiwncl1bvqb48" "121f5f876f4c" "da")
-   ("1iqny61rg57banfbbskc2y3pr6d35fabnxmynv7vxm9jd86pndz3" "95fb3e99a2bc" "de")
-   ("06v9j8acx5h8za7m65v6qm0wjbkx6vm46m8sigcp69phyg3fjc96" "90e681b74587" "dsb")
-   ("0lbk90x2dxdbh63fycqxspx6jqq2zlzys6grg45balw8yyvzqrkz" "58ba4c13fd42" "el")
-   ("0c2ypvy0z8g78s5158v6h9khckq1xps34r5wbiiciix289m43dgl" "8953d8c98a30" "en-CA")
-   ("0z3riz3w2z6p710p90ridmwwam4snnz5mn90gd4jc1h2n7vc9mr0" "5a2b9bca3f52" "en-GB")
-   ("102gn3h4ap8c3x1p7vfc88vapkfiz6264y6byhxy1axxjk3x3a77" "e87cb1c61d6e" "eo")
-   ("148wj6wsx0aq7cpaxk8njj7cb1wfjr2m96dgxq6b3qcv781ldvjn" "5db15fdf95d5" "es-AR")
-   ("0r11d8vzvbyz17n371byvkrnszcv1zhr7rg64i58xra3y6d7is7n" "ce2ee0e51a92" "es-CL")
-   ("1xmqa8p7lpqvkgg879hfnmf6kxcpawjk8z31cdzfp1hrdlmxg8n7" "7346617620f3" "es-ES")
-   ("0jxv3jh2018lnybr9mzqrffvwmr87yab9bh8lxqjj294fxw1hrxm" "687f05eb0c58" "es-MX")
-   ("1rpgv7pajv4xldsn1xxsia5j72vn3x8zl5wmbzkyw56lvn9fckvf" "839a5029c496" "et")
-   ("0hxp4fr3y05rkpamdb1hlmybn6d3bv3rcawjm3axbpqxbyfdpfzc" "54e8d87230c9" "eu")
-   ("1y50knymnmcihw8bhvahicc386mjm6dx4hx0j6fv8sl23wzx2h9m" "c5ffca960f9c" "fa")
-   ("0pj9zgi0c3yl3myhvb5afiijayp2lqzhlk630ahxn5hgjgkz0lx7" "75c000a8538d" "ff")
-   ("199jg0zv7wp1cq0ik2hf84j99jx5vq2jwac0gaayvjzkh2z83jqr" "f11b2e689e7b" "fi")
-   ("1vxkiwwni7470ywy99arxxa56ljkhjrhxslsp1l1l61g6gdbbspr" "49ec4f791806" "fr")
-   ("0d8gwdcj0jpjv03nhjds8jrg86pg371xpylaibwri76wlyl7m54i" "faa761a5cfdc" "fy-NL")
-   ("0nipbxx11a2sjadzhbi88vgknw5hzr4nqy2722q3kc1212jbi754" "5bd9466f9f9d" "ga-IE")
-   ("0bay8mrm65cvmnvqpwqgzr0h3cb18ifzg5kbsbxcvdfm9xv0zi9g" "a4f6a47e82dd" "gd")
-   ("00kn5w3nnpw1pxg6hhrn9asf9hgpjd6ia4038iwzcqs68w887qcy" "6c2aa01ada4e" "gl")
-   ("0jj13i0ach85c975vaz2rr83mibs29ipssa7qsjkb0y2ch6xya1k" "c2d607e36cb5" "gn")
-   ("1nhqbgzilcb0pr7941dxkhg079bf8v7ldikp1s5xli34wf9sabm2" "f34465d6ac1c" "gu-IN")
-   ("11bh0541d996cfin1zy72l66753q94i4idgv2waf0h40h9g3z1bm" "c2ecb2762274" "he")
-   ("1lslji7hh5lx5ig1xgfjh4cdindsgh3n2a7qlvzwz96gda43lvv4" "94d2bb10ee03" "hi-IN")
-   ("1nx5yw00l25i3m3grdm29mi9mi7h0cy5qx02pypir754pk3hiwcc" "08df0d94edd5" "hr")
-   ("19yc9dk2pwqycynmx58d1ik6x4mnyfxscgr6sg676dpl613xd7nq" "21b614e77025" "hsb")
-   ("0l3z64jlx6b6ivk1b5hwqyx9hm1m5721ywnb2m4zmg3g9fw4vn7f" "f82cad7170af" "hu")
-   ("1sn0dxbbf2zwcpybwcw77qb4p0hf6fxapnsnn4avaab5g55dlgz4" "d94c30920396" "hy-AM")
-   ("0c92cqxrhv4317kirmhpjk7mrq44yn6fp3v6syxnhz7xwxnhshjm" "6a5f176b0626" "ia")
-   ("03gyg9gqsd6pwb9nydglhm46fi2wk2p2qygmhmrf8hnav3ba7n0r" "94e4302e0f85" "id")
-   ("0ky8aaps92mn56rvkwn0i13wg8av8hzi1fvr0ahqhjcpj5sfgdwq" "eca348a59888" "is")
-   ("01py0sfg7nljcsgpivryrvai4p4wzbcvhgc2ymr19r579nv1vw7g" "d541a6197359" "it")
-   ("0iv7vmj43njmi7g1gjzsv68ax4j502d2wnkvbfz1rx11lrqs7yw1" "a5ab3a1d95b7" "ja")
-   ("1sr9ccshcw6agbj4hbnpblxixb1jz0m36glas6f9ahxmi7m605si" "63763ffa5a94" "ja-JP-mac")
-   ("1as33pzcsdkynrj16dv7w642vl6plbhk650am4l5djwm64f2rgms" "aa83e8555ddc" "ka")
-   ("1jwaqb5qps3i5y9iw8l2hrwa0n8lfnx1k9x0p54y3jkh6p3q3fzc" "0e0e25c26247" "kab")
-   ("0cjfiwv0q5i8d7fpwb4m2w5ahq687dqjlwlicgpa443yi2zsxr4s" "33117723ceb1" "kk")
-   ("0k5b56cv39aaxf9r0p9c27f3fp6yq2ffd4w6qmd0ibpl69sm629d" "aff7b2a7825e" "km")
-   ("1a0zg96jgq4zn9cz0h2qwc0vv1fbkfzs5qrgabg62wqgz286jvvv" "ea91638cb1dd" "kn")
-   ("0jhmv2n3yx55r6fg3myg7j1c1nhsv25g016m6lh2j023xbr723gp" "88821009b5b3" "ko")
-   ("06bybgv4m4i7r9p0qld65j31vbrnljhsdj649dl93msv2r69ilif" "88685d5f07b3" "lij")
-   ("1bzjf8smw6ngi88j5g3fawrg54m8fifbhshwjbgkpj7rnrpjgh4w" "e046c7ffa7d0" "lt")
-   ("18dmzmpavijb7fwzffas0j5nb6byqp8h6ki7hhf6qb35diqgfq6n" "c520ef4f576c" "lv")
-   ("055zf7xj5h1h8mzxj1cjzhngpcvg2p5vs2dmffsa5zfprj02d0dm" "9e43723f18ad" "mk")
-   ("1496fbyyzcl075gzcd3xy50h9jyhnzgb544k1scji56yhyfajacb" "ce615fef92c1" "mr")
-   ("1wc1q8ksry181pvnysqsq4dhhsg5adw5vgqafmmq5sf6i2bwn2z0" "4fefe88cfaee" "ms")
-   ("0awf6mrdwdhy2yvxynssvp1zg1nc2fqbmg2d2bhjcib69zx944xw" "3987a06866fd" "my")
-   ("1hycvz7i4jd40hfs5abx6sgfdkafg0jhdgqih9b7lb08aqcl35pj" "2b3b8997d9a1" "nb-NO")
-   ("048z1ib46izwryyy8l1x71kq4775n7l2ilbskhsyrbxqryma13k8" "f25324281615" "ne-NP")
-   ("1qkxqpyr4la9bn1bqsgc2h9869arglh9n2kwpkq6722jzdbynkz2" "04c7d32c57f6" "nl")
-   ("08gnmdll55dbqj7qs63gq1kljbvg24nzns6q4m0av3sszsic0jv5" "5587520e5019" "nn-NO")
-   ("1yh2p4ipj5p2b7gh0xxj0n7ndvwn5bw2773ibrh7vz932mkzhhjn" "499386b02695" "oc")
-   ("0kjbnixjzv9hvyba4ll20gs76vx84pviy134fvpjp9lfjpnpib55" "31c01c325675" "pa-IN")
-   ("0g61imvr4639bbydyi0kwc1il7l1gzlfij4ywx7hdcmq2x6vgb9v" "fb5f3b8dea09" "pl")
-   ("13n68d7z94d7943m6fwl4kizbqm3wp82xz69vng4w9vyqlvv7d41" "9a541cbdc748" "pt-BR")
-   ("1j8afvrl1afmj2zixrp91rrhag5w4xw90raca1ic6mxyih9kvdi4" "edc959a685c2" "pt-PT")
-   ("0wf4a6q9nvcmam2g8ksbymjdnrz59pdr5nirfpjprfhifjmxx4nn" "d2699db715cd" "rm")
-   ("1k9qalir5pbh490w1mxyq31yhy9hbxsyrrk11hwlwlgn6syp9nvp" "b5460a9017bc" "ro")
-   ("1avy6wyfa5lbvy36wai6mwhhh6x1y8a0jyjk8hvjn52yfxj1gypk" "59ffa8ad047a" "ru")
-   ("1cakhm4jxcw1ij0l1vhxw74hsp5wg68i3319dkdncyyc5a2s1qv9" "8b3c8a7ebdfa" "si")
-   ("0s534r09bqdfvw3q17y9b1035kzzlafjv656v73mqhyz3fkffsx5" "cb39dc77980e" "sk")
-   ("1s58vgmnb9aiaiaqwwcivq3iyzpzj527w2aqh2nrh6xmaw7f43sr" "17d7969b1d9a" "sl")
-   ("147qm7x5z8rkf24jpqvkdlqg0fjz1l3zwnaxvkh9y2jpzv7m0x7z" "c55b0e9ff99d" "son")
-   ("0nn4r1rxi8cy7x9nmn5ljd8gcsn2rjl2ma2j7waxkafkm4rs6n20" "2bb3808072da" "sq")
-   ("0jsb01b94z7qbm59yaj56nb7yx7a6hpgw8v6nzwhbvmnmcsird4p" "c323c0d02d61" "sr")
-   ("1n7vv9y4sk3gig56rgfd2jk8jr2160grxk31bd1wkm7fvbndd259" "4220ce487cbc" "sv-SE")
-   ("06270mq7gajxfrsb8gqd25v2dac68ask5vvlh6kkkp3hrgy02vid" "6a1dbc2fe1d3" "ta")
-   ("10az7pd3npa7n8wq0qywvsj2qrx9592i2wffs3rnc1fviv1i1q0y" "028505b5ecd1" "te")
-   ("0yj0c3iyibb3jyypvyiyhbr9asxa48v0nq21kcf9gphi8fnyp5if" "e44d38b6a67b" "th")
-   ("1qc4nvhw834lx7p304fxma0fjdr4xfj4lf69dhh6biqz795lx45p" "1e0771d95708" "tr")
-   ("1g4y2yq5xp61ncy7c08j7fqqr1jc0m1hjxmbg5659wzif3b3dkg4" "e3c96943e98f" "uk")
-   ("1zbi28z1c3p5il7ndixyjsv4nrimzq36zjvlmq10am38ycqr9df8" "f35da1b02691" "ur")
-   ("1jrxjjj8k771y0wljqbadxdj4pasg0771jmg4l3hvpgs929i3j9g" "6fd2084b3efe" "uz")
-   ("1f8sqgxzgqmw6vzjv3f49lg43q09i3j62f471864vr71815agl8n" "33b5dfd0cd63" "vi")
-   ("0ssnsbxw3q5k88fa081gkn1mbqn4j7bm6vb7yvz6h44j214xkz9x" "2d87c0740715" "xh")
-   ("0kd3mrvvgczhsmw4rvpxxxc71bb469ayr8r4azf7gc0y5nmlm950" "a2b6625688d3" "zh-CN")
-   ("0qy1asyfplkyc89z3g3gfm7b32aka92350b3ayv9d9dcgwxmfdwz" "4d6e959a13d1" "zh-TW")))
-
-(define %icecat-68-version "68.12.0-guix0-preview1")
-
-;; 'icecat-68-source' is a "computed" origin that generates an IceCat 68
-;; tarball from the corresponding upstream Firefox ESR tarball, using the
-;; 'makeicecat' script from the upstream IceCat project.
-(define icecat-68-source
-  (let* ((base-version (first (string-split %icecat-68-version #\-)))
-
-         (major-version (first  (string-split base-version #\.)))
-         (minor-version (second (string-split base-version #\.)))
-         (sub-version   (third  (string-split base-version #\.)))
-
-         (upstream-firefox-version (string-append base-version "esr"))
-         (upstream-firefox-source
-          (origin
-            (method url-fetch)
-            (uri (string-append
-                  "https://ftp.mozilla.org/pub/firefox/releases/"
-                  upstream-firefox-version "/source/"
-                  "firefox-" upstream-firefox-version ".source.tar.xz"))
-            (sha256
-             (base32
-              "1k17pi4zh9hrvkzbw4rzzw879a15hpvwriylp75wl22rl7r2nsdf"))))
-
-         (upstream-icecat-base-version "68.12.0") ; maybe older than base-version
-         ;;(gnuzilla-commit (string-append "v" upstream-icecat-base-version))
-         (gnuzilla-commit "15a7c3d991a670b6489d4f432b52a188358f4ca5")
-         (gnuzilla-source
-          (origin
-            (method git-fetch)
-            (uri (git-reference
-                  (url "git://git.savannah.gnu.org/gnuzilla.git")
-                  (commit gnuzilla-commit)))
-            (file-name (git-file-name "gnuzilla"
-                                      ;;upstream-icecat-base-version
-                                      (string-take gnuzilla-commit 8)))
-            (sha256
-             (base32
-              "0n7p067yay413iy0gzprz0xrdkcxj5f8ywhkcghhhzw1nwajckba"))))
-
-         (makeicecat-patch
-          (local-file (search-patch "icecat-68-makeicecat.patch")))
-         (gnuzilla-fixes-patch
-          (local-file (search-patch "icecat-use-older-reveal-hidden-html.patch"))))
-
-    (origin
-      (method computed-origin-method)
-      (file-name (string-append "icecat-" %icecat-68-version ".tar.xz"))
-      (sha256 #f)
-      (uri
-       (delay
-        (with-imported-modules '((guix build utils))
-          #~(begin
-              (use-modules (guix build utils))
-              (let ((firefox-dir
-                     (string-append "firefox-" #$base-version))
-                    (icecat-dir
-                     (string-append "icecat-" #$%icecat-68-version)))
-
-                (mkdir "/tmp/bin")
-                (set-path-environment-variable
-                 "PATH" '("bin")
-                 (list "/tmp"
-                       #+(canonical-package bash)
-                       #+(canonical-package coreutils)
-                       #+(canonical-package findutils)
-                       #+(canonical-package patch)
-                       #+(canonical-package xz)
-                       #+(canonical-package sed)
-                       #+(canonical-package grep)
-                       #+(canonical-package bzip2)
-                       #+(canonical-package gzip)
-                       #+(canonical-package tar)
-                       #+rename))
-
-                (symlink #+(file-append rename "/bin/rename")
-                         "/tmp/bin/prename")
-
-                ;; We copy the gnuzilla source directory because it is
-                ;; read-only in 'gnuzilla-source', and the makeicecat script
-                ;; uses "cp -a" to copy parts of it and assumes that the
-                ;; copies will be writable.
-                (copy-recursively #+gnuzilla-source "/tmp/gnuzilla"
-                                  #:log (%make-void-port "w"))
-
-                (with-directory-excursion "/tmp/gnuzilla"
-                  (make-file-writable "makeicecat")
-                  (invoke "patch" "--force" "--no-backup-if-mismatch"
-                          "-p1" "--input" #+makeicecat-patch)
-                  (invoke "patch" "--force" "--no-backup-if-mismatch"
-                          "-p1" "--input" #+gnuzilla-fixes-patch)
-                  (patch-shebang "makeicecat")
-                  (substitute* "makeicecat"
-                    (("^FFMAJOR=(.*)" all ffmajor)
-                     (unless (string=? #$major-version
-                                       (string-trim-both ffmajor))
-                       ;; The makeicecat script cannot be expected to work
-                       ;; properly on a different version of Firefox, even if
-                       ;; no errors occur during execution.
-                       (error "makeicecat major version mismatch"))
-                     (string-append "FFMAJOR=" #$major-version "\n"))
-                    (("^FFMINOR=.*")
-                     (string-append "FFMINOR=" #$minor-version "\n"))
-                    (("^FFSUB=.*")
-                     (string-append "FFSUB=" #$sub-version "\n"))
-                    (("^DATA=.*")
-                     "DATA=/tmp/gnuzilla/data\n")
-                    (("/bin/sed")
-                     #+(file-append (canonical-package sed) "/bin/sed"))))
-
-                (format #t "Unpacking upstream firefox tarball...~%")
-                (force-output)
-                (invoke "tar" "xf" #+upstream-firefox-source)
-                (rename-file firefox-dir icecat-dir)
-
-                (with-directory-excursion icecat-dir
-                  (format #t "Populating l10n directory...~%")
-                  (force-output)
-                  (mkdir "l10n")
-                  (with-directory-excursion "l10n"
-                    (for-each
-                     (lambda (locale-dir)
-                       (let ((locale
-                              (string-drop (basename locale-dir)
-                                           (+ 32  ; length of hash
-                                              (string-length "-mozilla-locale-")))))
-                         (format #t "  ~a~%" locale)
-                         (force-output)
-                         (copy-recursively locale-dir locale
-                                           #:log (%make-void-port "w"))
-                         (for-each make-file-writable (find-files locale))
-                         (with-directory-excursion locale
-                           (when (file-exists? ".hgtags")
-                             (delete-file ".hgtags"))
-                           (mkdir-p "browser/chrome/browser/preferences")
-                           (call-with-output-file
-                               "browser/chrome/browser/preferences/advanced-scripts.dtd"
-                             (lambda (port) #f)))))
-                     '#+all-mozilla-68-locales)
-                    (copy-recursively #+mozilla-68-compare-locales
-                                      "compare-locales"
-                                      #:log (%make-void-port "w"))
-                    (delete-file "compare-locales/.gitignore")
-                    (delete-file "compare-locales/.hgignore")
-                    (delete-file "compare-locales/.hgtags"))
-
-                  (format #t "Running makeicecat script...~%")
-                  (force-output)
-                  (invoke "bash" "/tmp/gnuzilla/makeicecat"))
-
-                (format #t "Packing IceCat source tarball...~%")
-                (force-output)
-                (invoke "tar" "cfa" #$output
-                        ;; Avoid non-determinism in the archive.  We set the
-                        ;; mtime of files in the archive to early 1980 because
-                        ;; the build process fails if the mtime of source
-                        ;; files is pre-1980, due to the creation of zip
-                        ;; archives.
-                        "--mtime=@315619200" ; 1980-01-02 UTC
-                        "--owner=root:0"
-                        "--group=root:0"
-                        "--sort=name"
-                        icecat-dir)
-
-                #t))))))))
-
 ;; Update this together with icecat!
 (define %icedove-build-id "20200924000000") ;must be of the form YYYYMMDDhhmmss
 (define-public icedove
