diff --git a/jsonp.spec b/jsonp.spec
index ed9eb22..83f1cde 100644
--- a/jsonp.spec
+++ b/jsonp.spec
@@ -16,6 +16,7 @@
 #
 
 
+%define __requires_exclude java-headless
 Name:           jsonp
 Version:        1.1.4
 Release:        0
@@ -24,6 +25,7 @@ License:        CDDL-1.0 OR GPL-2.0-only WITH Classpath-exception-2.0
 URL:            https://github.com/javaee/%{name}
 Source0:        https://github.com/javaee/%{name}/archive/refs/tags/%{version}-RELEASE.tar.gz
 BuildRequires:  fdupes
+BuildRequires:  java-devel >= 9
 BuildRequires:  maven-local
 BuildRequires:  mvn(javax.annotation:javax.annotation-api)
 BuildRequires:  mvn(javax.ws.rs:javax.ws.rs-api)
@@ -32,6 +34,7 @@ BuildRequires:  mvn(net.java:jvnet-parent:pom:)
 BuildRequires:  mvn(org.apache.felix:maven-bundle-plugin)
 BuildRequires:  mvn(org.codehaus.mojo:build-helper-maven-plugin)
 BuildRequires:  mvn(org.glassfish.build:spec-version-maven-plugin)
+Requires:       java-headless >= 1.8
 BuildArch:      noarch
 
 %description
@@ -88,9 +91,6 @@ sed -i '/check-module/d' api/pom.xml impl/pom.xml
 
 %{mvn_build} -f -- \
     -Dproject.build.outputTimestamp=$(date -u -d @${SOURCE_DATE_EPOCH:-$(date +%%s)} +%%Y-%%m-%%dT%%H:%%M:%%SZ) \
-%if %{?pkg_vcmp:%pkg_vcmp java-devel >= 9}%{!?pkg_vcmp:0}
-    -Dmaven.compiler.release=8 \
-%endif
     -Dsource=8
 
 %install