diff --git a/opencv.spec b/opencv.spec
index d874e8f..03673ef 100644
--- a/opencv.spec
+++ b/opencv.spec
@@ -20,7 +20,11 @@
 %bcond_with     atlas
 %bcond_without  openblas
 %bcond_without  gdcm
+%if 0%{?rhel} >= 8
+%bcond_with     vtk
+%else
 %bcond_without  vtk
+%endif
 
 %ifarch x86_64
 %bcond_without  libmfx
@@ -41,7 +45,7 @@ Name:           opencv
 Version:        4.5.1
 %global javaver %(foo=%{version}; echo ${foo//./})
 %global abiver  %(foo=%{version}; echo ${foo:0:3})
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Collection of algorithms for computer vision
 # This is normal three clause BSD.
 License:        BSD
@@ -121,7 +125,6 @@ BuildRequires:  python3-beautifulsoup4
 #for doc/doxygen/bib2xhtml.pl
 #BuildRequires:  perl-open
 BuildRequires:  gflags-devel
-BuildRequires:  SFML-devel
 BuildRequires:  libucil-devel
 BuildRequires:  qt5-qtbase-devel
 BuildRequires:  libGL-devel
@@ -459,6 +462,9 @@ ln -s -r %{buildroot}%{_jnidir}/opencv-%{javaver}.jar %{buildroot}%{_jnidir}/ope
 %{_libdir}/libopencv_xphoto.so.%{abiver}*
 
 %changelog
+* Wed Jan 27 2021 Tomas Popela <tpopela@redhat.com> - 4.5.1-4
+- Drop unused BR on SFML and disable VTK support on RHEL 8+
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 4.5.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild