diff --git a/nix/sources.json b/nix/sources.json
index 699faabb..a877ed9b 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -12,12 +12,6 @@
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
         "version": "0.15.0"
     },
-    "audio-lint": {
-        "branch": "main",
-        "repo": "https://git.confusedcompiler.org/leana8959/audio-lint",
-        "rev": "3ea38c85c5f6135958e51ad4ff13a96ccd68a21c",
-        "type": "git"
-    },
     "disko": {
         "branch": "master",
         "description": "Declarative disk partitioning and formatting using nix [maintainers=Lassulus Enzime iFreilicht Mic92 phaer]",
@@ -43,12 +37,6 @@
         "url": "https://github.com/edolstra/flake-compat/archive/v1.1.0.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
-    "hbrainfuck": {
-        "branch": "mistress",
-        "repo": "https://git.confusedcompiler.org/leana8959/hbrainfuck",
-        "rev": "796aae9bdb222e8e0431627eb11a3e3a71c1ffef",
-        "type": "git"
-    },
     "home-manager": {
         "branch": "release-25.05",
         "description": "Manage a user environment using Nix  [maintainer=@rycee] ",
@@ -61,12 +49,6 @@
         "url": "https://github.com/nix-community/home-manager/archive/d0bbd221482c2713cccb80220f3c9d16a6e20a33.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
-    "hutils": {
-        "branch": "mistress",
-        "repo": "https://git.confusedcompiler.org/leana8959/hutils",
-        "rev": "ee04ec425af81e762362bc2c4bcd5d89ad50ddc8",
-        "type": "git"
-    },
     "infuse": {
         "branch": "trunk",
         "repo": "https://codeberg.org/amjoseph/infuse.nix",
@@ -217,12 +199,6 @@
         "url": "https://github.com/NixOS/nixpkgs/archive/9d3ae807ebd2981d593cddd0080856873139aa40.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
-    "prop_solveur": {
-        "branch": "mistress",
-        "repo": "https://git.confusedcompiler.org/leana8959/prop_solveur",
-        "rev": "cc2430dc5a396b01d02bd925070ce5d009d05bc4",
-        "type": "git"
-    },
     "url-eater": {
         "branch": "mistress",
         "description": "Clean unnecessary parameters from URLs copied to clipboard",