diff --git a/build.gradle b/build.gradle
index 4374dc3..cd71df4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,9 +19,6 @@ java {
     toolchain {
         languageVersion = JavaLanguageVersion.of(11)
     }
-    compileJava {
-        options.release = 8
-    }
     sourceSets {
         main.java.srcDir genSrcDir
     }
@@ -40,7 +37,7 @@ repositories {
         url 'https://oss.sonatype.org/content/repositories/snapshots/'
     }
     maven {
-        url project.citydbMavenUrl
+        url 'https://3dcitydb.org/maven'
     }
     mavenCentral()
 }
diff --git a/properties.gradle b/properties.gradle
index 23174c0..5b40583 100644
--- a/properties.gradle
+++ b/properties.gradle
@@ -12,7 +12,6 @@ ext {
     // 3D City Database
     citydbShortName = '3DCityDB'
     citydbName = '3D City Database'
-    citydbMavenUrl = 'https://gitlab.lrz.de/api/v4/projects/150792/packages/maven'
 
     // 3D City Database WFS
     citydbWfsName = citydbName + ' Web Feature Service'