diff --git a/README.md b/README.md
index be7fa568..fbedcd86 100644
--- a/README.md
+++ b/README.md
@@ -118,7 +118,7 @@ TODO add documentation for authentication and permission handling. Currently the
 
 ## Feature Flags
 
-Feature flags are used to enable or disable certain features. They have to be configured in the configuration file.Feature flags are:
+Feature flags are used to enable or disable certain features. They have to be configured in the configuration file. Feature flags are:
 
 - `isRowPermissionCheckEnabled`: Enable or disable row permission checks (default: false)
 - `isPublicFileServerEnabled`: Enable or disable the public file server. If enabled, files are accessible without authentication (default: false)
diff --git a/src/main/scala/com/campudus/tableaux/cache/CacheVerticle.scala b/src/main/scala/com/campudus/tableaux/cache/CacheVerticle.scala
index f8c4f789..0b0c981d 100644
--- a/src/main/scala/com/campudus/tableaux/cache/CacheVerticle.scala
+++ b/src/main/scala/com/campudus/tableaux/cache/CacheVerticle.scala
@@ -84,7 +84,6 @@ class CacheVerticle(tableauxConfig: TableauxConfig) extends ScalaVerticle with L
   private def registerOnEventBus(): Future[_] = {
     Future.sequence(
       Seq(
-        registerHandler(eventBus, ADDRESS_SET_CELL, messageHandlerSetCell),
         registerHandler(eventBus, ADDRESS_SET_CELL, messageHandlerSetCell),
         registerHandler(eventBus, ADDRESS_RETRIEVE_CELL, messageHandlerRetrieveCell),
         registerHandler(eventBus, ADDRESS_SET_ROW_PERMISSIONS, messageHandlerSetRowPermissions),