diff --git a/gfan.spec b/gfan.spec
index 15995f8..e35a616 100644
--- a/gfan.spec
+++ b/gfan.spec
@@ -17,11 +17,11 @@ Patch2:         %{name}-shared.patch
 BuildRequires:  cddlib-devel
 BuildRequires:  gcc-c++
 BuildRequires:  ghostscript-tools-dvipdf
+BuildRequires:  glibc-langpack-en
 BuildRequires:  gmp-devel
 BuildRequires:  tex(latex)
 BuildRequires:  tex(ulem.sty)
 BuildRequires:  TOPCOM
-BuildRequires:  glibc-langpack-en
 
 Requires:       libgfan%{_isa} = %{version}-%{release}
 
@@ -47,10 +47,6 @@ Gfan examples and documentation files.
 %package        -n libgfan
 Summary:        Polyhedral computations related to polynomial rings
 
-# This can be removed once Fedora 28 has reached EOL
-Obsoletes:      gfanlib < 4.1.1
-Provides:       gfanlib = 4.1.1
-
 %description    -n libgfan
 Gfanlib has two major features:
 1) high-level exact polyhedral cone and polyhedral fan classes;
@@ -64,10 +60,6 @@ Summary:        Development files for libgfan
 Requires:       libgfan%{?_isa} = %{version}-%{release}
 Requires:       gmp-devel%{?_isa}
 
-# This can be removed once Fedora 28 has reached EOL
-Obsoletes:      gfanlib-devel < 4.1.1
-Provides:       gfanlib-devel = 4.1.1
-
 %description    -n libgfan-devel
 The libgfan-devel package contains libraries and header files for
 developing applications that use libgfan.