diff --git a/python-nltk.spec b/python-nltk.spec
index b94cdc4..1b1bb1c 100644
--- a/python-nltk.spec
+++ b/python-nltk.spec
@@ -42,8 +42,6 @@ This package provides the Python 3 build of NLTK.
 %prep
 %setup -q -n %{mod_name}-%{version}
 
-sed -i -e '/^#! *\//, 1d' %{mod_name}/corpus/reader/knbc.py \
-                          %{mod_name}/test/runtests.py
 for f in $(grep -Frl '/usr/bin/env' %{mod_name}); do
   sed -i -e "s|^#!/usr/bin/env python$|#!%{__python3}|g" $f
 done