diff --git a/netty.spec b/netty.spec
index 54459a9..18f3ccd 100644
--- a/netty.spec
+++ b/netty.spec
@@ -7,7 +7,7 @@
 
 Name:           netty
 Version:        4.1.13
-Release:        12%{?dist}
+Release:        13%{?dist}
 Summary:        An asynchronous event-driven network application framework and tools for Java
 License:        ASL 2.0
 URL:            https://netty.io/
@@ -34,10 +34,8 @@ BuildRequires:  mvn(org.apache.maven.plugins:maven-remote-resources-plugin)
 BuildRequires:  mvn(org.codehaus.mojo:build-helper-maven-plugin)
 BuildRequires:  mvn(org.codehaus.mojo:exec-maven-plugin)
 BuildRequires:  mvn(org.fusesource.hawtjni:maven-hawtjni-plugin)
-BuildRequires:  mvn(org.javassist:javassist)
 BuildRequires:  mvn(org.jctools:jctools-core)
 BuildRequires:  mvn(org.slf4j:slf4j-api)
-BuildRequires:  mvn(org.sonatype.oss:oss-parent:pom:)
 %if %{without jp_minimal}
 BuildRequires:  mvn(com.fasterxml:aalto-xml)
 BuildRequires:  mvn(com.github.jponge:lzma-java)
@@ -84,6 +82,9 @@ Summary:   API documentation for %{name}
 %patch3 -p1
 %endif
 
+# remove unnecessary dependency on parent POM
+%pom_remove_parent . bom dev-tools
+
 # Missing Mavenized rxtx
 %pom_disable_module "transport-rxtx"
 %pom_remove_dep ":netty-transport-rxtx" all
@@ -213,6 +214,9 @@ export CFLAGS="$RPM_OPT_FLAGS" LDFLAGS="$RPM_LD_FLAGS"
 %license LICENSE.txt NOTICE.txt
 
 %changelog
+* Thu Nov 21 2019 Fabio Valentini <decathorpe@gmail.com> - 4.1.13-13
+- Remove unnecessary dependency on parent POM.
+
 * Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 4.1.13-12
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild