diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/Cargo.lock b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/Cargo.lock
deleted file mode 100644
index 7565a59cf88c..000000000000
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/Cargo.lock
+++ /dev/null
@@ -1,285 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
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- "libloading",
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- "proc-macro2",
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-version = "0.20.0"
-source = "git+https://github.com/ubolonton/tree-sitter?branch=improve-text-provider#475b822f47bdc58d832533448b6f6d9818554f37"
-dependencies = [
- "cc",
- "regex",
-]
-
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-
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-version = "0.3.9"
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-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
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-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
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-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/package.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/package.nix
index c3fafdf27a13..f96632992080 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/package.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/package.nix
@@ -21,12 +21,8 @@ let
       hash = "sha256-LrakDpP3ZhRQqz47dPcyoQnu5lROdaNlxGaQfQT6u+k=";
     };
 
-    cargoLock = {
-      lockFile = ./Cargo.lock;
-      outputHashes = {
-        "tree-sitter-0.20.0" = "sha256-hGiJZFrQpO+xHXosbEKV2k64e2D8auNGEtdrFk2SsOU=";
-      };
-    };
+    useFetchCargoVendor = true;
+    cargoHash = "sha256-Tua3ZFfSyWVYXU9mPLWXE6ejGlXowTNe3nvZBaicmSQ=";
 
     sourceRoot = "${src.name}/core";