diff --git a/commons-cli-1.4-jdk9.patch b/commons-cli-1.4-jdk9.patch
deleted file mode 100644
index 793a86c..0000000
--- a/commons-cli-1.4-jdk9.patch
+++ /dev/null
@@ -1,13 +0,0 @@
---- commons-cli-1.4-src/pom.xml	2017-03-09 13:59:23.000000000 +0100
-+++ commons-cli-1.4-src/pom.xml	2018-10-23 19:42:13.605822641 +0200
-@@ -163,8 +163,8 @@
-   </dependencies>
- 
-   <properties>
--    <maven.compiler.source>1.5</maven.compiler.source>
--    <maven.compiler.target>1.5</maven.compiler.target>
-+    <maven.compiler.source>8</maven.compiler.source>
-+    <maven.compiler.target>8</maven.compiler.target>
-     <commons.componentid>cli</commons.componentid>
-     <commons.release.version>1.4</commons.release.version>
-     <commons.release.name>commons-cli-${commons.release.version}</commons.release.name>