diff --git a/cryptopp.spec b/cryptopp.spec
index 0fd59b0..9b7c839 100644
--- a/cryptopp.spec
+++ b/cryptopp.spec
@@ -84,7 +84,6 @@ install -D -m644 %{SOURCE1} $RPM_BUILD_ROOT%{_libdir}/pkgconfig/cryptopp.pc
 # Fill in the variables
 sed -i "s|@PREFIX@|%{_prefix}|g" $RPM_BUILD_ROOT%{_libdir}/pkgconfig/cryptopp.pc
 sed -i "s|@LIBDIR@|%{_libdir}|g" $RPM_BUILD_ROOT%{_libdir}/pkgconfig/cryptopp.pc
-sed -i "s|@INCLUDEDIR@|%{_includedir}|g" $RPM_BUILD_ROOT%{_libdir}/pkgconfig/cryptopp.pc
 
 mkdir -p $RPM_BUILD_ROOT%{_datadir}/%{name}/TestVectors
 mkdir -p $RPM_BUILD_ROOT%{_datadir}/%{name}/TestData