diff --git a/pkgs/by-name/te/tectonic-unwrapped/package.nix b/pkgs/by-name/te/tectonic-unwrapped/package.nix
index e9b9dcb2c815..50d64c8416e1 100644
--- a/pkgs/by-name/te/tectonic-unwrapped/package.nix
+++ b/pkgs/by-name/te/tectonic-unwrapped/package.nix
@@ -8,10 +8,9 @@
 
 {
   lib,
-  stdenv,
+  clangStdenv,
   fetchFromGitHub,
   rustPlatform,
-  darwin,
   fontconfig,
   harfbuzzFull,
   openssl,
@@ -20,7 +19,17 @@
   fetchpatch2,
 }:
 
-rustPlatform.buildRustPackage rec {
+let
+
+  buildRustPackage = rustPlatform.buildRustPackage.override {
+    # use clang to work around build failure with GCC 14
+    # see: https://github.com/tectonic-typesetting/tectonic/issues/1263
+    stdenv = clangStdenv;
+  };
+
+in
+
+buildRustPackage rec {
   pname = "tectonic";
   version = "0.15.0";
 
@@ -56,28 +65,19 @@ rustPlatform.buildRustPackage rec {
 
   buildFeatures = [ "external-harfbuzz" ];
 
-  buildInputs =
-    [
-      icu
-      fontconfig
-      harfbuzzFull
-      openssl
-    ]
-    ++ lib.optionals stdenv.hostPlatform.isDarwin (
-      with darwin.apple_sdk.frameworks;
-      [
-        ApplicationServices
-        Cocoa
-        Foundation
-      ]
-    );
+  buildInputs = [
+    icu
+    fontconfig
+    harfbuzzFull
+    openssl
+  ];
 
   postInstall =
     ''
       # Makes it possible to automatically use the V2 CLI API
       ln -s $out/bin/tectonic $out/bin/nextonic
     ''
-    + lib.optionalString stdenv.hostPlatform.isLinux ''
+    + lib.optionalString clangStdenv.hostPlatform.isLinux ''
       substituteInPlace dist/appimage/tectonic.desktop \
         --replace Exec=tectonic Exec=$out/bin/tectonic
       install -D dist/appimage/tectonic.desktop -t $out/share/applications/
diff --git a/pkgs/tools/typesetting/tex/texpresso/default.nix b/pkgs/by-name/te/texpresso/package.nix
similarity index 85%
rename from pkgs/tools/typesetting/tex/texpresso/default.nix
rename to pkgs/by-name/te/texpresso/package.nix
index 17f27483b7a6..ab4c11d7e980 100644
--- a/pkgs/tools/typesetting/tex/texpresso/default.nix
+++ b/pkgs/by-name/te/texpresso/package.nix
@@ -13,13 +13,20 @@
   openjpeg,
   gumbo,
   libjpeg,
-  texpresso-tectonic,
+  callPackage,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "texpresso";
   version = "0-unstable-2025-01-29";
 
+  src = fetchFromGitHub {
+    owner = "let-def";
+    repo = "texpresso";
+    rev = "c42a5912f501f180984840fa8adf9ffc09c5ac13";
+    hash = "sha256-T/vou7OcGtNoodCrznmjBLxg6ZAFDCjhpYgNyZaf44g=";
+  };
+
   postPatch = ''
     substituteInPlace Makefile \
       --replace-fail "CC=gcc" "CC=${stdenv.cc.targetPrefix}cc" \
@@ -39,13 +46,6 @@ stdenv.mkDerivation rec {
     libjpeg
   ];
 
-  src = fetchFromGitHub {
-    owner = "let-def";
-    repo = "texpresso";
-    rev = "c42a5912f501f180984840fa8adf9ffc09c5ac13";
-    hash = "sha256-T/vou7OcGtNoodCrznmjBLxg6ZAFDCjhpYgNyZaf44g=";
-  };
-
   buildFlags = [ "texpresso" ];
 
   env.NIX_CFLAGS_COMPILE = toString (
@@ -56,18 +56,18 @@ stdenv.mkDerivation rec {
 
   installPhase = ''
     runHook preInstall
-    install -Dm0755 -t "$out/bin/" "build/${pname}"
+    install -Dm0755 -t "$out/bin/" "build/${finalAttrs.pname}"
     runHook postInstall
   '';
 
   # needs to have texpresso-tonic on its path
   postInstall = ''
     wrapProgram $out/bin/texpresso \
-      --prefix PATH : ${lib.makeBinPath [ texpresso-tectonic ]}
+      --prefix PATH : ${lib.makeBinPath [ finalAttrs.finalPackage.passthru.tectonic ]}
   '';
 
   passthru = {
-    tectonic = texpresso-tectonic;
+    tectonic = callPackage ./tectonic.nix { };
     updateScript = writeScript "update-texpresso" ''
       #!/usr/bin/env nix-shell
       #!nix-shell -i bash -p curl jq nix-update
@@ -79,10 +79,10 @@ stdenv.mkDerivation rec {
   };
 
   meta = {
-    inherit (src.meta) homepage;
+    inherit (finalAttrs.src.meta) homepage;
     description = "Live rendering and error reporting for LaTeX";
     maintainers = with lib.maintainers; [ nickhu ];
     license = lib.licenses.mit;
     platforms = lib.platforms.unix;
   };
-}
+})
diff --git a/pkgs/by-name/te/texpresso/tectonic.nix b/pkgs/by-name/te/texpresso/tectonic.nix
new file mode 100644
index 000000000000..515fc53cf3cb
--- /dev/null
+++ b/pkgs/by-name/te/texpresso/tectonic.nix
@@ -0,0 +1,42 @@
+{
+  tectonic-unwrapped,
+  fetchFromGitHub,
+  rustPlatform,
+}:
+
+tectonic-unwrapped.overrideAttrs (
+  finalAttrs: prevAttrs: {
+    pname = "texpresso-tonic";
+    version = "0.15.0-unstable-2024-04-19";
+    src = fetchFromGitHub {
+      owner = "let-def";
+      repo = "tectonic";
+      rev = "b38cb3b2529bba947d520ac29fbb7873409bd270";
+      hash = "sha256-ap7fEPHsASAphIQkjcvk1CC7egTdxaUh7IpSS5os4W8=";
+      fetchSubmodules = true;
+    };
+    useFetchCargoVendor = true;
+    cargoHash = "sha256-mqhbIv5r/5EDRDfP2BymXv9se2NCKxzRGqNqwqbD9A0=";
+    # rebuild cargoDeps by hand because `.overrideAttrs cargoHash`
+    # does not reconstruct cargoDeps (a known limitation):
+    cargoDeps = rustPlatform.fetchCargoVendor {
+      inherit (finalAttrs) src;
+      name = "${finalAttrs.pname}-${finalAttrs.version}";
+      hash = finalAttrs.cargoHash;
+      patches = finalAttrs.cargoPatches;
+    };
+    # binary has a different name, bundled tests won't work
+    doCheck = false;
+    postInstall = ''
+      ${prevAttrs.postInstall or ""}
+
+      # Remove the broken `nextonic` symlink
+      # It points to `tectonic`, which doesn't exist because the exe is
+      # renamed to texpresso-tonic
+      rm $out/bin/nextonic
+    '';
+    meta = prevAttrs.meta // {
+      mainProgram = "texpresso-tonic";
+    };
+  }
+)
diff --git a/pkgs/tools/typesetting/tex/texpresso/tectonic.nix b/pkgs/tools/typesetting/tex/texpresso/tectonic.nix
deleted file mode 100644
index f5550e2a8c82..000000000000
--- a/pkgs/tools/typesetting/tex/texpresso/tectonic.nix
+++ /dev/null
@@ -1,33 +0,0 @@
-{ tectonic-unwrapped, fetchFromGitHub }:
-tectonic-unwrapped.override (old: {
-  rustPlatform = old.rustPlatform // {
-    buildRustPackage =
-      args:
-      old.rustPlatform.buildRustPackage (
-        args
-        // {
-          pname = "texpresso-tonic";
-          src = fetchFromGitHub {
-            owner = "let-def";
-            repo = "tectonic";
-            rev = "b38cb3b2529bba947d520ac29fbb7873409bd270";
-            hash = "sha256-ap7fEPHsASAphIQkjcvk1CC7egTdxaUh7IpSS5os4W8=";
-            fetchSubmodules = true;
-          };
-          useFetchCargoVendor = true;
-          cargoHash = "sha256-mqhbIv5r/5EDRDfP2BymXv9se2NCKxzRGqNqwqbD9A0=";
-          # binary has a different name, bundled tests won't work
-          doCheck = false;
-          postInstall = ''
-            ${args.postInstall or ""}
-
-            # Remove the broken `nextonic` symlink
-            # It points to `tectonic`, which doesn't exist because the exe is
-            # renamed to texpresso-tonic
-            rm $out/bin/nextonic
-          '';
-          meta.mainProgram = "texpresso-tonic";
-        }
-      );
-  };
-})
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a0255e34a29f..640b52bebbee 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10625,10 +10625,6 @@ with pkgs;
     fmt = fmt_11;
   };
 
-  texpresso = callPackage ../tools/typesetting/tex/texpresso {
-    texpresso-tectonic = callPackage ../tools/typesetting/tex/texpresso/tectonic.nix { };
-  };
-
   tinyxml = tinyxml2;
 
   tinyxml2 = callPackage ../development/libraries/tinyxml/2.6.2.nix { };