diff --git a/transport-native-epoll/src/main/c/io_netty_channel_epoll_Native.c b/transport-native-epoll/src/main/c/io_netty_channel_epoll_Native.c
index c1ef8452d5..c61183c23a 100644
--- a/transport-native-epoll/src/main/c/io_netty_channel_epoll_Native.c
+++ b/transport-native-epoll/src/main/c/io_netty_channel_epoll_Native.c
@@ -740,6 +740,12 @@ JNIEXPORT jlong JNICALL Java_io_netty_channel_epoll_Native_writev(JNIEnv * env,
         iov[iovidx].iov_base = buffer + pos;
         iov[iovidx].iov_len = (size_t) (limit - pos);
         iovidx++;
+
+        // Explicit delete local reference as otherwise the local references will only be released once the native method returns.
+        // Also there may be a lot of these and JNI specification only specify that 16 must be able to be created.
+        //
+        // See https://github.com/netty/netty/issues/2623
+        (*env)->DeleteLocalRef(env, bufObj);
     }
     jlong res = writev0(env, clazz, fd, iov, length);
     if (res <= 0) {
@@ -759,6 +765,11 @@ JNIEXPORT jlong JNICALL Java_io_netty_channel_epoll_Native_writev(JNIEnv * env,
             incrementPosition(env, bufObj, len);
             written -= len;
         }
+        // Explicit delete local reference as otherwise the local references will only be released once the native method returns.
+        // Also there may be a lot of these and JNI specification only specify that 16 must be able to be created.
+        //
+        // See https://github.com/netty/netty/issues/2623
+        (*env)->DeleteLocalRef(env, bufObj);
     }
     return res;
 }
@@ -776,6 +787,12 @@ JNIEXPORT jlong JNICALL Java_io_netty_channel_epoll_Native_writevAddresses(JNIEn
         iov[iovidx].iov_base = memoryAddress + readerIndex;
         iov[iovidx].iov_len = (size_t) (writerIndex - readerIndex);
         iovidx++;
+
+        // Explicit delete local reference as otherwise the local references will only be released once the native method returns.
+        // Also there may be a lot of these and JNI specification only specify that 16 must be able to be created.
+        //
+        // See https://github.com/netty/netty/issues/2623
+        (*env)->DeleteLocalRef(env, addressEntry);
     }
 
     jlong res = writev0(env, clazz, fd, iov, length);