remove dependency versions managed in parent
diff --git a/pom.xml b/pom.xml
index 0a1ca67..f12630e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -130,19 +130,16 @@
         <dependency>
             <groupId>org.osgi</groupId>
             <artifactId>org.osgi.annotation.versioning</artifactId>
-            <version>1.1.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.osgi</groupId>
             <artifactId>org.osgi.service.component.annotations</artifactId>
-            <version>1.4.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.osgi</groupId>
             <artifactId>org.osgi.service.metatype.annotations</artifactId>
-            <version>1.4.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
@@ -165,13 +162,11 @@
         <dependency>
             <groupId>org.osgi</groupId>
             <artifactId>org.osgi.service.event</artifactId>
-            <version>1.3.1</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.osgi</groupId>
             <artifactId>org.osgi.service.component</artifactId>
-            <version>1.4.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>