diff --git a/build.gradle.kts b/build.gradle.kts
index 9123d6a6..ea0dc182 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -332,7 +332,6 @@ task<JavaCompile>("compileUtils") {
             "dorkbox.util.MathUtil",
             "dorkbox.util.MersenneTwisterFast",
             "dorkbox.util.NativeLoader",
-            "dorkbox.util.NetworkUtil",
 
             "dorkbox.util.generics.TypeResolver",
             // "dorkbox.util.generics.DefaultMethodHelper",  // this class must be compiled java 8+
diff --git a/src/dorkbox/network/connection/RegistrationWrapper.java b/src/dorkbox/network/connection/RegistrationWrapper.java
index 7b409626..35e507bb 100644
--- a/src/dorkbox/network/connection/RegistrationWrapper.java
+++ b/src/dorkbox/network/connection/RegistrationWrapper.java
@@ -33,7 +33,6 @@ import dorkbox.network.pipeline.udp.KryoDecoderUdpCrypto;
 import dorkbox.network.pipeline.udp.KryoEncoderUdp;
 import dorkbox.network.pipeline.udp.KryoEncoderUdpCrypto;
 import dorkbox.network.serialization.CryptoSerializationManager;
-import dorkbox.util.NetworkUtil;
 import dorkbox.util.RandomUtil;
 import dorkbox.util.collections.IntMap.Values;
 import dorkbox.util.collections.LockFreeIntMap;
@@ -165,17 +164,15 @@ class RegistrationWrapper {
             else {
                 // COMPARE!
                 if (!CryptoECC.compare(publicKey, savedPublicKey)) {
-                    String byAddress = NetworkUtil.ipv4ToString(hostAddress);
-
                     if (this.endPoint.disableRemoteKeyValidation) {
-                        logger2.warn("Invalid or non-matching public key from remote connection, their public key has changed. Toggling extra flag in channel to indicate key change. To fix, remove entry for: {}", byAddress);
+                        logger2.warn("Invalid or non-matching public key from remote connection, their public key has changed. Toggling extra flag in channel to indicate key change. To fix, remove entry for: {}", address.getHostAddress());
 
                         metaChannel.changedRemoteKey = true;
                         return true;
                     }
                     else {
                         // keys do not match, abort!
-                        logger2.error("Invalid or non-matching public key from remote connection, their public key has changed. To fix, remove entry for: {}", byAddress);
+                        logger2.error("Invalid or non-matching public key from remote connection, their public key has changed. To fix, remove entry for: {}", address.getHostAddress());
                         return false;
                     }
                 }