diff --git a/stdair.spec b/stdair.spec
index 779bece..686b140 100644
--- a/stdair.spec
+++ b/stdair.spec
@@ -40,9 +40,6 @@ Summary:        Header files, libraries and development helper tools for %{name}
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       pkgconfig
 
-# The cmake files have Python version backed in them
-Requires:       (python(abi) = %{python3_version} if python3-devel)
-
 %description    devel
 This package contains the header files, shared libraries and
 development helper tools for %{name}. If you would like to develop
@@ -55,6 +52,9 @@ BuildRequires:  tex(latex)
 BuildRequires:  doxygen
 BuildRequires:  ghostscript
 
+# List the arches that the dependent package builds on below
+ExclusiveArch: aarch64 ppc64le x86_64 noarch
+
 %description    doc
 This package contains HTML pages, as well as a PDF reference manual,
 for %{name}. All that documentation is generated thanks to Doxygen