diff --git a/gui/TextBuffer.cpp b/gui/TextBuffer.cpp
index ad3025c..f819bd1 100644
--- a/gui/TextBuffer.cpp
+++ b/gui/TextBuffer.cpp
@@ -1,6 +1,15 @@
 #include "TextBuffer.h"
 
-DWORD WINAPI FlushThread(LPVOID lParam); // window.cpp
+DWORD WINAPI FlushThread(LPVOID lParam)
+{
+	TextBuffer* t = (TextBuffer*)lParam;
+	while (t->Running())
+	{
+		t->Flush();
+		Sleep(10);
+	}
+	return 0;
+}
 
 TextBuffer::TextBuffer(HWND edit) : hThread(IthCreateThread(FlushThread, (DWORD)this)),
 hEdit(edit),
diff --git a/gui/window.cpp b/gui/window.cpp
index 66f4e27..fe84a05 100644
--- a/gui/window.cpp
+++ b/gui/window.cpp
@@ -806,13 +806,3 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 	return 0;
 }
 
-DWORD WINAPI FlushThread(LPVOID lParam)
-{
-	TextBuffer* t = (TextBuffer*)lParam;
-	while (t->Running())
-	{
-		t->Flush();
-		Sleep(10);
-	}
-	return 0;
-}