diff --git a/pkgs/tools/package-management/lix/common.nix b/pkgs/tools/package-management/lix/common.nix
index 19c7ddc58833..7fb40b11776c 100644
--- a/pkgs/tools/package-management/lix/common.nix
+++ b/pkgs/tools/package-management/lix/common.nix
@@ -1,21 +1,13 @@
 {
   lib,
   fetchFromGitHub,
-  version,
   suffix ? "",
-  hash ? null,
-  src ? fetchFromGitHub {
-    owner = "lix-project";
-    repo = "lix";
-    rev = version;
-    inherit hash;
-  },
-  docCargoHash ? null,
-  docCargoLock ? null,
+  version,
+  src,
+  docCargoDeps,
   patches ? [ ],
   maintainers ? lib.teams.lix.members,
 }@args:
-assert (hash == null) -> (src != null);
 {
   stdenv,
   meson,
@@ -60,8 +52,7 @@ assert (hash == null) -> (src != null);
   lix-doc ? callPackage ./doc {
     inherit src;
     version = "${version}${suffix}";
-    cargoHash = docCargoHash;
-    cargoLock = docCargoLock;
+    cargoDeps = docCargoDeps;
   },
 
   enableDocumentation ? stdenv.hostPlatform == stdenv.buildPlatform,
@@ -76,8 +67,6 @@ assert (hash == null) -> (src != null);
   stateDir,
   storeDir,
 }:
-assert lib.assertMsg (docCargoHash != null || docCargoLock != null)
-  "Either `lix-doc`'s cargoHash using `docCargoHash` or `lix-doc`'s `cargoLock.lockFile` using `docCargoLock` must be set!";
 let
   isLegacyParser = lib.versionOlder version "2.91";
 in
diff --git a/pkgs/tools/package-management/lix/default.nix b/pkgs/tools/package-management/lix/default.nix
index 4a100c337ffb..1acc5e2efb48 100644
--- a/pkgs/tools/package-management/lix/default.nix
+++ b/pkgs/tools/package-management/lix/default.nix
@@ -5,6 +5,7 @@
   callPackage,
   fetchFromGitHub,
   fetchpatch,
+  rustPlatform,
   Security,
 
   storeDir ? "/nix/store",
@@ -54,18 +55,42 @@ lib.makeExtensible (self: {
   buildLix = common;
 
   lix_2_90 = (
-    common {
+    common rec {
       version = "2.90.0";
-      hash = "sha256-f8k+BezKdJfmE+k7zgBJiohtS3VkkriycdXYsKOm3sc=";
-      docCargoHash = "sha256-vSf9MyD2XzofZlbzsmh6NP69G+LiX72GX4Um9UJp3dc=";
+
+      src = fetchFromGitHub {
+        owner = "lix-project";
+        repo = "lix";
+        rev = version;
+        hash = "sha256-f8k+BezKdJfmE+k7zgBJiohtS3VkkriycdXYsKOm3sc=";
+      };
+
+      docCargoDeps = rustPlatform.fetchCargoVendor {
+        name = "lix-doc-${version}";
+        inherit src;
+        sourceRoot = "${src.name or src}/lix-doc";
+        hash = "sha256-VPcrf78gfLlkTRrcbLkPgLOk0o6lsOJBm6HYLvavpNU=";
+      };
     }
   );
 
   lix_2_91 = (
-    common {
+    common rec {
       version = "2.91.1";
-      hash = "sha256-hiGtfzxFkDc9TSYsb96Whg0vnqBVV7CUxyscZNhed0U=";
-      docCargoHash = "sha256-F6Ld0HfRvW9r5zn8eMTP6djnV/jvwjYQet4Ghp2T90k=";
+
+      src = fetchFromGitHub {
+        owner = "lix-project";
+        repo = "lix";
+        rev = version;
+        hash = "sha256-hiGtfzxFkDc9TSYsb96Whg0vnqBVV7CUxyscZNhed0U=";
+      };
+
+      docCargoDeps = rustPlatform.fetchCargoVendor {
+        name = "lix-doc-${version}";
+        inherit src;
+        sourceRoot = "${src.name or src}/lix-doc";
+        hash = "sha256-U820gvcbQIBaFr2OWPidfFIDXycDFGgXX1NpWDDqENs=";
+      };
     }
   );
 
diff --git a/pkgs/tools/package-management/lix/doc/default.nix b/pkgs/tools/package-management/lix/doc/default.nix
index 994310931e7d..3e61dc917579 100644
--- a/pkgs/tools/package-management/lix/doc/default.nix
+++ b/pkgs/tools/package-management/lix/doc/default.nix
@@ -2,8 +2,7 @@
   src,
   rustPlatform,
   version,
-  cargoHash ? null,
-  cargoLock ? null,
+  cargoDeps,
 }:
 
 rustPlatform.buildRustPackage {
@@ -12,7 +11,6 @@ rustPlatform.buildRustPackage {
   inherit
     version
     src
-    cargoHash
-    cargoLock
+    cargoDeps
     ;
 }