diff --git a/json.spec b/json.spec
index 283a8b6..02cf9e4 100644
--- a/json.spec
+++ b/json.spec
@@ -17,12 +17,11 @@ URL:            https://github.com/nlohmann/%{name}
 Source0:        %{url}/archive/v%{version}.tar.gz
 
 BuildRequires:  ninja-build
+BuildRequires:  gcc-c++
 %if 0%{?rhel} == 7
 BuildRequires:  cmake3
-BuildRequires:  devtoolset-7-gcc-c++
 %else
 BuildRequires:  cmake
-BuildRequires:  gcc-c++
 %endif
 
 %description
@@ -51,7 +50,6 @@ rm -f test/src/unit-udt.cpp
 %build
 pushd %{_target_platform}
 %if 0%{?rhel} == 7
-    . /opt/rh/devtoolset-7/enable
     %cmake3 -G Ninja \
 %else
     %cmake -G Ninja \