diff --git a/dlls/comctl32/theme_dialog.c b/dlls/comctl32/theme_dialog.c
index cfcb56f937b..92859418e76 100644
--- a/dlls/comctl32/theme_dialog.c
+++ b/dlls/comctl32/theme_dialog.c
@@ -32,8 +32,6 @@
 #include "comctl32.h"
 #include "wine/debug.h"
 
-WINE_DEFAULT_DEBUG_CHANNEL(themingdialog);
-
 /**********************************************************************
  * The dialog subclass window proc.
  */
diff --git a/dlls/comctl32/theme_edit.c b/dlls/comctl32/theme_edit.c
index 3cbf7608121..b3b142a11db 100644
--- a/dlls/comctl32/theme_edit.c
+++ b/dlls/comctl32/theme_edit.c
@@ -32,8 +32,6 @@
 #include "comctl32.h"
 #include "wine/debug.h"
 
-WINE_DEFAULT_DEBUG_CHANNEL(themingedit);
-
 /* Draw themed border */
 static void nc_paint (HTHEME theme, HWND hwnd, HRGN region)
 {
diff --git a/dlls/comctl32/theme_listbox.c b/dlls/comctl32/theme_listbox.c
index 93e9ac7d926..8147ba4cf15 100644
--- a/dlls/comctl32/theme_listbox.c
+++ b/dlls/comctl32/theme_listbox.c
@@ -32,8 +32,6 @@
 #include "comctl32.h"
 #include "wine/debug.h"
 
-WINE_DEFAULT_DEBUG_CHANNEL(theminglistbox);
-
 /* Draw themed border */
 static void nc_paint (HTHEME theme, HWND hwnd, HRGN region)
 {