diff --git a/pkgs/development/libraries/science/math/liblapack/default.nix b/pkgs/development/libraries/science/math/liblapack/default.nix
index c742cc60b27..cb29e721de1 100644
--- a/pkgs/development/libraries/science/math/liblapack/default.nix
+++ b/pkgs/development/libraries/science/math/liblapack/default.nix
@@ -3,7 +3,6 @@
   fetchFromGitHub,
   gfortran,
   cmake,
-  python2,
   shared ? true
 }:
 let
@@ -22,12 +21,13 @@ stdenv.mkDerivation {
     sha256 = "0sxnc97z67i7phdmcnq8f8lmxgw10wdwvr8ami0w3pb179cgrbpb";
   };
 
-  nativeBuildInputs = [ gfortran python2 cmake ];
+  nativeBuildInputs = [ gfortran cmake ];
 
   cmakeFlags = [
     "-DCMAKE_Fortran_FLAGS=-fPIC"
     "-DLAPACKE=ON"
     "-DCBLAS=ON"
+    "-DBUILD_TESTING=ON"
   ]
   ++ optional shared "-DBUILD_SHARED_LIBS=ON";