diff --git a/demo-setup/build.gradle b/demo-setup/build.gradle
index a23f832..90a9c73 100644
--- a/demo-setup/build.gradle
+++ b/demo-setup/build.gradle
@@ -13,10 +13,6 @@ dependencies {
   implementation project(":energy")
 }
 
-jar {
-  from sourceSets.main.allJava
-}
-
 javadoc {
   failOnError = false
 }
diff --git a/ems/build.gradle b/ems/build.gradle
index 455900a..a822e25 100644
--- a/ems/build.gradle
+++ b/ems/build.gradle
@@ -23,10 +23,6 @@ dependencies {
   testImplementation libs.wireMock
 }
 
-jar {
-  from sourceSets.main.allJava
-}
-
 javadoc {
   failOnError = false
 }
diff --git a/energy/build.gradle b/energy/build.gradle
index 9b022e4..984b04c 100644
--- a/energy/build.gradle
+++ b/energy/build.gradle
@@ -21,10 +21,6 @@ dependencies {
 
 test {}
 
-jar {
-  from sourceSets.main.allJava
-}
-
 javadoc {
   failOnError = false
 }
diff --git a/entsoe/build.gradle b/entsoe/build.gradle
index f18562e..92521a0 100644
--- a/entsoe/build.gradle
+++ b/entsoe/build.gradle
@@ -18,10 +18,6 @@ dependencies {
   testImplementation libs.openremote.test
 }
 
-jar {
-  from sourceSets.main.allJava
-}
-
 javadoc {
   failOnError = false
 }
diff --git a/hawkbit/build.gradle b/hawkbit/build.gradle
index c1c6078..8f84c25 100644
--- a/hawkbit/build.gradle
+++ b/hawkbit/build.gradle
@@ -19,10 +19,6 @@ dependencies {
   testImplementation libs.openremote.test
 }
 
-jar {
-  from sourceSets.main.allJava
-}
-
 javadoc {
   failOnError = false
 }