diff --git a/src/main/java/io/strimzi/kafka/bridge/http/HttpAdminBridgeEndpoint.java b/src/main/java/io/strimzi/kafka/bridge/http/HttpAdminBridgeEndpoint.java
index 8719c5c6..8b0763e3 100644
--- a/src/main/java/io/strimzi/kafka/bridge/http/HttpAdminBridgeEndpoint.java
+++ b/src/main/java/io/strimzi/kafka/bridge/http/HttpAdminBridgeEndpoint.java
@@ -150,7 +150,7 @@ public void doGetTopic(RoutingContext routingContext) {
                         ArrayNode partitionsArray = JsonUtils.createArrayNode();
                         root.put("name", topicName);
                         Collection<ConfigEntry> configEntries = configDescriptions.values().iterator().next().entries();
-                        if (configEntries.size() > 0) {
+                        if (!configEntries.isEmpty()) {
                             ObjectNode configs = JsonUtils.createObjectNode();
                             configEntries.forEach(configEntry -> configs.put(configEntry.name(), configEntry.value()));
                             root.set("configs", configs);
diff --git a/src/main/java/io/strimzi/kafka/bridge/http/HttpBridge.java b/src/main/java/io/strimzi/kafka/bridge/http/HttpBridge.java
index ac89c813..fbebb714 100644
--- a/src/main/java/io/strimzi/kafka/bridge/http/HttpBridge.java
+++ b/src/main/java/io/strimzi/kafka/bridge/http/HttpBridge.java
@@ -639,18 +639,6 @@ private void closeConnectionEndpoint(HttpConnection connection) {
         }
     }
 
-    private EmbeddedFormat contentTypeToFormat(String contentType) {
-        switch (contentType) {
-            case BridgeContentType.KAFKA_JSON_BINARY:
-                return EmbeddedFormat.BINARY;
-            case BridgeContentType.KAFKA_JSON_JSON:
-                return EmbeddedFormat.JSON;
-            case BridgeContentType.KAFKA_JSON_TEXT:
-                return EmbeddedFormat.TEXT;
-        }
-        throw new IllegalArgumentException(contentType);
-    }
-
     private boolean isAlive() {
         return this.isReady;
     }