diff --git a/dlls/dsound/tests/capture.c b/dlls/dsound/tests/capture.c
index a52af4feff..10bd7e9d45 100644
--- a/dlls/dsound/tests/capture.c
+++ b/dlls/dsound/tests/capture.c
@@ -23,13 +23,9 @@
 #define NONAMELESSUNION
 #include <windows.h>
 
-#include <math.h>
-#include <stdlib.h>
 #include <stdio.h>
 
 #include "wine/test.h"
-#include "windef.h"
-#include "wingdi.h"
 #include "dsound.h"
 #include "mmreg.h"
 #include "dxerr8.h"
diff --git a/dlls/dsound/tests/ds3d.c b/dlls/dsound/tests/ds3d.c
index 124337f0ff..054feee221 100644
--- a/dlls/dsound/tests/ds3d.c
+++ b/dlls/dsound/tests/ds3d.c
@@ -28,11 +28,8 @@
 #include <windows.h>
 
 #include <math.h>
-#include <stdlib.h>
 
 #include "wine/test.h"
-#include "windef.h"
-#include "wingdi.h"
 #include "dsound.h"
 #include "dxerr8.h"
 
diff --git a/dlls/dsound/tests/ds3d8.c b/dlls/dsound/tests/ds3d8.c
index 4dfdd00458..d4891ec3c7 100644
--- a/dlls/dsound/tests/ds3d8.c
+++ b/dlls/dsound/tests/ds3d8.c
@@ -28,11 +28,8 @@
 #include <windows.h>
 
 #include <math.h>
-#include <stdlib.h>
 
 #include "wine/test.h"
-#include "windef.h"
-#include "wingdi.h"
 #include "dsound.h"
 #include "dxerr8.h"
 
diff --git a/dlls/dsound/tests/dsound.c b/dlls/dsound/tests/dsound.c
index fa461495f0..af31dca867 100644
--- a/dlls/dsound/tests/dsound.c
+++ b/dlls/dsound/tests/dsound.c
@@ -29,12 +29,7 @@
 #define NONAMELESSUNION
 #include <windows.h>
 
-#include <math.h>
-#include <stdlib.h>
-
 #include "wine/test.h"
-#include "windef.h"
-#include "wingdi.h"
 #include "dsound.h"
 #include "dxerr8.h"
 #include "dsconf.h"
diff --git a/dlls/dsound/tests/dsound8.c b/dlls/dsound/tests/dsound8.c
index 09fd1cabc3..fe6b4dc24d 100644
--- a/dlls/dsound/tests/dsound8.c
+++ b/dlls/dsound/tests/dsound8.c
@@ -29,12 +29,7 @@
 #define NONAMELESSUNION
 #include <windows.h>
 
-#include <math.h>
-#include <stdlib.h>
-
 #include "wine/test.h"
-#include "windef.h"
-#include "wingdi.h"
 #include "dsound.h"
 #include "dxerr8.h"
 #include "dsconf.h"
diff --git a/dlls/dsound/tests/propset.c b/dlls/dsound/tests/propset.c
index fd4ac13109..55f4f54521 100644
--- a/dlls/dsound/tests/propset.c
+++ b/dlls/dsound/tests/propset.c
@@ -23,12 +23,7 @@
 #define NONAMELESSUNION
 #include <windows.h>
 
-#include <math.h>
-#include <stdlib.h>
-
 #include "wine/test.h"
-#include "windef.h"
-#include "wingdi.h"
 #include "dsound.h"
 #include "initguid.h"
 #include "dsconf.h"