diff --git a/core/pom.xml b/core/pom.xml
index c648aeba..ba81e79a 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -57,10 +57,6 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<configuration>
-					<source>9</source>
-					<target>9</target>
-				</configuration>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>