diff --git a/runelite-client/pom.xml b/runelite-client/pom.xml
index 922c9c3a6a..da1746631b 100644
--- a/runelite-client/pom.xml
+++ b/runelite-client/pom.xml
@@ -198,16 +198,15 @@
 			<artifactId>archive-patcher</artifactId>
 			<version>1.0</version>
 		</dependency>
-		<!-- net.runelite:discord also has this -->
 		<dependency>
 			<groupId>net.java.dev.jna</groupId>
 			<artifactId>jna</artifactId>
-			<version>4.5.1</version>
+			<version>5.9.0</version>
 		</dependency>
 		<dependency>
 			<groupId>net.java.dev.jna</groupId>
 			<artifactId>jna-platform</artifactId>
-			<version>4.5.1</version>
+			<version>5.9.0</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.code.findbugs</groupId>
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/worldhopper/ping/IcmpEchoReply.java b/runelite-client/src/main/java/net/runelite/client/plugins/worldhopper/ping/IcmpEchoReply.java
index 0e1cc198a3..038022f44d 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/worldhopper/ping/IcmpEchoReply.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/worldhopper/ping/IcmpEchoReply.java
@@ -24,6 +24,7 @@
  */
 package net.runelite.client.plugins.worldhopper.ping;
 
+import com.sun.jna.Native;
 import com.sun.jna.Pointer;
 import com.sun.jna.Structure;
 import com.sun.jna.platform.win32.WinDef;
@@ -32,8 +33,8 @@ import java.util.List;
 
 public class IcmpEchoReply extends Structure
 {
-	private static final int IP_OPTION_INFO_SIZE = 1 + 1 + 1 + 1 + (Pointer.SIZE == 8 ? 12 : 4); // on 64bit vms add 4 byte padding
-	public static final int SIZE = 4 + 4 + 4 + 2 + 2 + Pointer.SIZE + IP_OPTION_INFO_SIZE;
+	private static final int IP_OPTION_INFO_SIZE = 1 + 1 + 1 + 1 + (Native.POINTER_SIZE == 8 ? 12 : 4); // on 64bit vms add 4 byte padding
+	public static final int SIZE = 4 + 4 + 4 + 2 + 2 + Native.POINTER_SIZE + IP_OPTION_INFO_SIZE;
 
 	public WinDef.ULONG address;
 	public WinDef.ULONG status;
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/worldhopper/ping/RLLibC.java b/runelite-client/src/main/java/net/runelite/client/plugins/worldhopper/ping/RLLibC.java
index f495ccff83..3000e5a85e 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/worldhopper/ping/RLLibC.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/worldhopper/ping/RLLibC.java
@@ -41,8 +41,6 @@ interface RLLibC extends LibC
 
 	int socket(int domain, int type, int protocol);
 
-	void close(int socket);
-
 	int sendto(int sockfd, byte[] buf, int len, int flags, byte[] dest_addr, int addrlen);
 
 	int recvfrom(int sockfd, Pointer buf, int len, int flags, Pointer src_addr, Pointer addrlen);