diff --git a/mail/pom.xml b/mail/pom.xml
index 665118e42c..ac39819ffb 100644
--- a/mail/pom.xml
+++ b/mail/pom.xml
@@ -129,16 +129,6 @@
                 </plugin>
             </plugins>
         </pluginManagement>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>11</source>
-                    <target>11</target>
-                </configuration>
-            </plugin>
-        </plugins>
     </build>
 
     <profiles>
diff --git a/temperature-converter/pom.xml b/temperature-converter/pom.xml
index 6e9304ec54..b0ea34e177 100644
--- a/temperature-converter/pom.xml
+++ b/temperature-converter/pom.xml
@@ -116,16 +116,6 @@
                 </plugin>
             </plugins>
         </pluginManagement>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>11</source>
-                    <target>11</target>
-                </configuration>
-            </plugin>
-        </plugins>
     </build>
 
     <profiles>