diff --git a/tcp_wrappers.spec b/tcp_wrappers.spec
index 963c1ef..4bf545e 100644
--- a/tcp_wrappers.spec
+++ b/tcp_wrappers.spec
@@ -97,8 +97,7 @@ tcp_wrappers-libs contains the libraries of the tcp_wrappers package.
 
 %build
 make \
-RPM_OPT_FLAGS="$RPM_OPT_FLAGS -fPIC -DPIC -D_REENTRANT -DHAVE_STRERROR -DACLEXEC -I/usr/include/nsl/" \
-LIBRARY_PATH="%{_libdir}/nsl/" \
+RPM_OPT_FLAGS="$RPM_OPT_FLAGS -fPIC -DPIC -D_REENTRANT -DHAVE_STRERROR -DACLEXEC" \
 LDFLAGS="-pie -z relro -z now" \
 MAJOR=%{LIB_MAJOR} MINOR=%{LIB_MINOR} REL=%{LIB_REL} linux %{?_smp_mflags}