diff --git a/Jenkinsfile b/Jenkinsfile
index 5b89836..3447f14 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -18,11 +18,6 @@ pipeline {
                 sh 'echo $JAVA_INCLUDE_PATH'
             }
         }
-        stage('Build (Engine)') {
-            steps {
-                sh 'mvn -B -DskipTests clean package'
-            }
-        }
         stage('Test') {
             steps {
                 script {
diff --git a/pom.xml b/pom.xml
index 2863660..7d87dfc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,8 +7,8 @@
     <packaging>jar</packaging>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>21</maven.compiler.source>
-        <maven.compiler.target>21</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
         <dl4j-master.version>1.0.0-M2</dl4j-master.version>
         <!-- Change the nd4j.backend property to nd4j-cuda-X-platform to use CUDA GPUs -->
         <nd4j.backend>nd4j-native</nd4j.backend>