diff --git a/pkgs/development/python-modules/matplotlib/default.nix b/pkgs/development/python-modules/matplotlib/default.nix
index c7fb77d7912e..2f11fd9a0d65 100644
--- a/pkgs/development/python-modules/matplotlib/default.nix
+++ b/pkgs/development/python-modules/matplotlib/default.nix
@@ -98,9 +98,6 @@ buildPythonPackage (finalAttrs: {
         --replace-fail "setuptools_scm>=7,<10" setuptools_scm
 
       patchShebangs tools
-
-      substituteInPlace pyproject.toml \
-        --replace-fail "setuptools_scm>=7,<10" "setuptools_scm"
     ''
     + lib.optionalString (stdenv.hostPlatform.isLinux && interactive) ''
       # fix paths to libraries in dlopen calls (headless detection)