diff --git a/backend/manager/modules/common/pom.xml b/backend/manager/modules/common/pom.xml
index 179116d6ab0..c6479f14ce8 100644
--- a/backend/manager/modules/common/pom.xml
+++ b/backend/manager/modules/common/pom.xml
@@ -59,19 +59,6 @@
 
   <build>
     <plugins>
-
-      <plugin>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <configuration>
-          <release>8</release>
-          <target>1.8</target>
-          <source>1.8</source>
-          <excludes>
-            <exclude>**/uioverrides/**/*</exclude>
-          </excludes>
-        </configuration>
-      </plugin>
-
       <plugin>
         <artifactId>maven-source-plugin</artifactId>
         <executions>
diff --git a/backend/manager/modules/compat/pom.xml b/backend/manager/modules/compat/pom.xml
index 353c77dd896..c2847e0eb66 100644
--- a/backend/manager/modules/compat/pom.xml
+++ b/backend/manager/modules/compat/pom.xml
@@ -14,15 +14,6 @@
 
   <build>
     <plugins>
-
-      <plugin>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <configuration>
-          <release>8</release>
-          <target>1.8</target>
-          <source>1.8</source>
-        </configuration>
-      </plugin>
       <plugin>
         <artifactId>maven-source-plugin</artifactId>
         <executions>
diff --git a/frontend/webadmin/modules/gwt-extension/pom.xml b/frontend/webadmin/modules/gwt-extension/pom.xml
index 95e0e1950e2..707d53c23f5 100644
--- a/frontend/webadmin/modules/gwt-extension/pom.xml
+++ b/frontend/webadmin/modules/gwt-extension/pom.xml
@@ -41,8 +41,6 @@
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
         <configuration>
-          <release>8</release>
-          <target>1.8</target>
           <excludes>
             <exclude>**/uioverrides/**/*</exclude>
           </excludes>
diff --git a/frontend/webadmin/modules/pom.xml b/frontend/webadmin/modules/pom.xml
index e24fa167990..00cf873d37e 100644
--- a/frontend/webadmin/modules/pom.xml
+++ b/frontend/webadmin/modules/pom.xml
@@ -65,10 +65,6 @@
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
           <configuration>
-            <source>1.8</source>
-            <target>1.8</target>
-            <release>8</release>
-
             <!-- We use maven-processor-plugin to invoke annotation processors -->
             <compilerArgument>-proc:none</compilerArgument>
             <excludes>