diff --git a/src/Dialogs.c b/src/Dialogs.c
index 58a6f008f..879968bea 100644
--- a/src/Dialogs.c
+++ b/src/Dialogs.c
@@ -2163,7 +2163,7 @@ bool AddToFavDlg(HWND hwnd, const HPATHL hTargetPth)
 //  FileMRUDlgProc()
 //
 //
-unsigned int WINAPIV FileMRUIconThread(LPVOID lpParam)
+unsigned int WINAPI FileMRUIconThread(LPVOID lpParam)
 {
     BackgroundWorker *worker = (BackgroundWorker *)lpParam;
 
diff --git a/src/Dlapi.c b/src/Dlapi.c
index c1b84569b..4e4a23ec5 100644
--- a/src/Dlapi.c
+++ b/src/Dlapi.c
@@ -334,7 +334,7 @@ int DirList_Fill(HWND hwnd,LPCWSTR lpszDir,DWORD grfFlags,LPCWSTR lpszFileSpec,
 //
 //  Thread to extract file icons in the background
 //
-unsigned int WINAPIV DirList_IconThread(LPVOID lpParam)
+unsigned int WINAPI DirList_IconThread(LPVOID lpParam)
 {
     LPDLDATA lpdl = (LPDLDATA)lpParam;
     BackgroundWorker *worker = &lpdl->worker;
diff --git a/src/Notepad3.c b/src/Notepad3.c
index a8ce15471..de844553f 100644
--- a/src/Notepad3.c
+++ b/src/Notepad3.c
@@ -12565,7 +12565,7 @@ static void CALLBACK WatchTimerProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWOR
 // ----------------------------------------------------------------------------
 
 
-unsigned int WINAPIV FileChangeObserver(LPVOID lpParam)
+unsigned int WINAPI FileChangeObserver(LPVOID lpParam)
 {
     PFCOBSRVDATA_T const pFCOBSVData = (PFCOBSRVDATA_T)(LONG_PTR)lpParam;