diff --git a/python-flit-core.spec b/python-flit-core.spec
index 12cf39b..daed411 100644
--- a/python-flit-core.spec
+++ b/python-flit-core.spec
@@ -41,7 +41,6 @@ Flit is a simple way to put Python packages and modules on PyPI.
 
 %prep
 %setup -q -n flit_core-%{version}
-%{!?dephell_gensetup:%define dephell_gensetup dephell deps convert --traceback --from pyproject.toml --to setup.py}
 %dephell_gensetup
 
 %build