Fix compilation error introduced by 2854c2c473

common/src/main/java/io/netty/util/internal/Hidden.java

@@ -35,7 +35,6 @@ class Hidden {
      * and SHOULD NOT be considered a public API.
      */
     @UnstableApi
-    @SuppressJava6Requirement(reason = "BlockHound is Java 8+, but this class is only loaded by it's SPI")
     public static final class NettyBlockHoundIntegration implements BlockHoundIntegration {
 
         @Override
@@ -78,10 +77,5 @@ class Hidden {
                 }
             });
         }
-
-        @Override
-        public int compareTo(BlockHoundIntegration o) {
-            return 0;
-        }
     }
 }

transport-blockhound-tests/pom.xml

@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.43.Final-SNAPSHOT</version>
+    <version>5.0.0.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-transport-blockhound-tests</artifactId>