diff --git a/README.md b/README.md
index 1a33e0c60..bc00c5c8d 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 Build: [![Circle CI](https://circleci.com/gh/eclipse/hawkbit.svg?style=svg)](https://circleci.com/gh/eclipse/hawkbit)
 
+<img src=hawkbit_logo.png width=533 height=246 />
+
 # Eclipse.IoT hawkBit - Update Server
 
 [hawkBit](https://projects.eclipse.org/projects/iot.hawkbit) is an domain independent back end solution for rolling out software updates to constrained edge devices as well as more powerful controllers and gateways connected to IP based networking infrastructure.
diff --git a/hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaSystemManagement.java b/hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaSystemManagement.java
index 84e069538..3b7f77b47 100644
--- a/hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaSystemManagement.java
+++ b/hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaSystemManagement.java
@@ -31,8 +31,6 @@ import org.eclipse.hawkbit.security.SystemSecurityContext;
 import org.eclipse.hawkbit.tenancy.TenantAware;
 import org.eclipse.persistence.config.PersistenceUnitProperties;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.cache.annotation.CacheEvict;
-import org.springframework.cache.annotation.CachePut;
 import org.springframework.cache.annotation.Cacheable;
 import org.springframework.cache.interceptor.KeyGenerator;
 import org.springframework.data.jpa.repository.Modifying;
@@ -214,7 +212,6 @@ public class JpaSystemManagement implements CurrentTenantCacheKeyGenerator, Syst
     }
 
     @Override
-    @CacheEvict(value = { "tenantMetadata" }, key = "#tenant.toUpperCase()", cacheManager = "directCacheManager")
     @Transactional(isolation = Isolation.READ_UNCOMMITTED)
     @Modifying
     public void deleteTenant(final String tenant) {
@@ -241,7 +238,6 @@ public class JpaSystemManagement implements CurrentTenantCacheKeyGenerator, Syst
     }
 
     @Override
-    @Cacheable(value = "tenantMetadata", keyGenerator = "tenantKeyGenerator", cacheManager = "directCacheManager")
     @Transactional(isolation = Isolation.READ_UNCOMMITTED)
     @Modifying
     public TenantMetaData getTenantMetadata() {
@@ -276,7 +272,6 @@ public class JpaSystemManagement implements CurrentTenantCacheKeyGenerator, Syst
     }
 
     @Override
-    @CachePut(value = "tenantMetadata", key = "#metaData.tenant.toUpperCase()", cacheManager = "directCacheManager")
     @Transactional(isolation = Isolation.READ_UNCOMMITTED)
     @Modifying
     public TenantMetaData updateTenantMetadata(final TenantMetaData metaData) {
diff --git a/hawkbit_logo.png b/hawkbit_logo.png
new file mode 100644
index 000000000..3fe796127
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