diff --git a/dlls/winealsa.drv/dsoutput.c b/dlls/winealsa.drv/dsoutput.c
index 1b0c5507c64..671ca38ae4b 100644
--- a/dlls/winealsa.drv/dsoutput.c
+++ b/dlls/winealsa.drv/dsoutput.c
@@ -50,7 +50,6 @@
 #include "wingdi.h"
 #include "winerror.h"
 #include "winuser.h"
-#include "winnls.h"
 #include "mmddk.h"
 
 #include "alsa.h"
diff --git a/dlls/winealsa.drv/mixer.c b/dlls/winealsa.drv/mixer.c
index c1dab516c27..83c82b7cc03 100644
--- a/dlls/winealsa.drv/mixer.c
+++ b/dlls/winealsa.drv/mixer.c
@@ -42,7 +42,6 @@
 #include "windef.h"
 #include "winbase.h"
 #include "wingdi.h"
-#include "winerror.h"
 #include "winuser.h"
 #include "winnls.h"
 #include "mmddk.h"
diff --git a/dlls/winealsa.drv/wavein.c b/dlls/winealsa.drv/wavein.c
index 97b8e5a1274..5d731eb7e05 100644
--- a/dlls/winealsa.drv/wavein.c
+++ b/dlls/winealsa.drv/wavein.c
@@ -48,7 +48,6 @@
 #include "windef.h"
 #include "winbase.h"
 #include "wingdi.h"
-#include "winerror.h"
 #include "winuser.h"
 #include "winnls.h"
 #include "mmddk.h"
diff --git a/dlls/winealsa.drv/waveout.c b/dlls/winealsa.drv/waveout.c
index 786d3c18caf..18919b5afb7 100644
--- a/dlls/winealsa.drv/waveout.c
+++ b/dlls/winealsa.drv/waveout.c
@@ -48,7 +48,6 @@
 #include "windef.h"
 #include "winbase.h"
 #include "wingdi.h"
-#include "winerror.h"
 #include "winuser.h"
 #include "winnls.h"
 #include "mmddk.h"