Simplify

1 files changed, 1 insertions, 3 deletions

diff --git a/config/src/main/java/com/yahoo/vespa/config/ConfigDefinitionKey.java b/config/src/main/java/com/yahoo/vespa/config/ConfigDefinitionKey.java
index c7396394f62..56dba04d6ba 100644
--- a/config/src/main/java/com/yahoo/vespa/config/ConfigDefinitionKey.java
+++ b/config/src/main/java/com/yahoo/vespa/config/ConfigDefinitionKey.java
@@ -61,9 +61,7 @@ public class ConfigDefinitionKey {
 
     @Override
     public String toString() {
-        StringBuilder sb = new StringBuilder();
-        sb.append(namespace).append(".").append(name);
-        return sb.toString();
+        return namespace + "." + name;
     }
 
 }