diff --git a/Source/dthread.cpp b/Source/dthread.cpp
index 1e96a605e..e052f1276 100644
--- a/Source/dthread.cpp
+++ b/Source/dthread.cpp
@@ -15,6 +15,44 @@ HANDLE sghWorkToDoEvent;
 /* rdata */
 static HANDLE sghThread = INVALID_HANDLE_VALUE;
 
+static unsigned int __stdcall dthread_handler(void *data)
+{
+	const char *error_buf;
+	TMegaPkt *pkt;
+	DWORD dwMilliseconds;
+
+	while (dthread_running) {
+		if (!sgpInfoHead && WaitForSingleObject(sghWorkToDoEvent, INFINITE) == WAIT_FAILED) {
+			error_buf = TraceLastError();
+			app_fatal("dthread4:\n%s", error_buf);
+		}
+
+		sgMemCrit.Enter();
+		pkt = sgpInfoHead;
+		if (sgpInfoHead)
+			sgpInfoHead = sgpInfoHead->pNext;
+		else
+			ResetEvent(sghWorkToDoEvent);
+		sgMemCrit.Leave();
+
+		if (pkt) {
+			if (pkt->dwSpaceLeft != MAX_PLRS)
+				multi_send_zero_packet(pkt->dwSpaceLeft, pkt->data[0], &pkt->data[8], *(DWORD *)&pkt->data[4]);
+
+			dwMilliseconds = 1000 * *(DWORD *)&pkt->data[4] / gdwDeltaBytesSec;
+			if (dwMilliseconds >= 1)
+				dwMilliseconds = 1;
+
+			mem_free_dbg(pkt);
+
+			if (dwMilliseconds)
+				Sleep(dwMilliseconds);
+		}
+	}
+
+	return 0;
+}
+
 void dthread_remove_player(int pnum)
 {
 	TMegaPkt *pkt;
@@ -76,44 +114,6 @@ void dthread_start()
 	}
 }
 
-unsigned int __stdcall dthread_handler(void *data)
-{
-	const char *error_buf;
-	TMegaPkt *pkt;
-	DWORD dwMilliseconds;
-
-	while (dthread_running) {
-		if (!sgpInfoHead && WaitForSingleObject(sghWorkToDoEvent, INFINITE) == WAIT_FAILED) {
-			error_buf = TraceLastError();
-			app_fatal("dthread4:\n%s", error_buf);
-		}
-
-		sgMemCrit.Enter();
-		pkt = sgpInfoHead;
-		if (sgpInfoHead)
-			sgpInfoHead = sgpInfoHead->pNext;
-		else
-			ResetEvent(sghWorkToDoEvent);
-		sgMemCrit.Leave();
-
-		if (pkt) {
-			if (pkt->dwSpaceLeft != MAX_PLRS)
-				multi_send_zero_packet(pkt->dwSpaceLeft, pkt->data[0], &pkt->data[8], *(DWORD *)&pkt->data[4]);
-
-			dwMilliseconds = 1000 * *(DWORD *)&pkt->data[4] / gdwDeltaBytesSec;
-			if (dwMilliseconds >= 1)
-				dwMilliseconds = 1;
-
-			mem_free_dbg(pkt);
-
-			if (dwMilliseconds)
-				Sleep(dwMilliseconds);
-		}
-	}
-
-	return 0;
-}
-
 void dthread_cleanup()
 {
 	const char *error_buf;
diff --git a/Source/dthread.h b/Source/dthread.h
index f4dc99c6f..481410464 100644
--- a/Source/dthread.h
+++ b/Source/dthread.h
@@ -6,13 +6,9 @@
 #ifndef __DTHREAD_H__
 #define __DTHREAD_H__
 
-extern unsigned int glpDThreadId;
-extern BOOLEAN dthread_running;
-
 void dthread_remove_player(int pnum);
 void dthread_send_delta(int pnum, char cmd, void *pbSrc, int dwLen);
 void dthread_start();
-unsigned int __stdcall dthread_handler(void *data);
 void dthread_cleanup();
 
 /* data */