diff --git a/dlls/comctl32/button.c b/dlls/comctl32/button.c
index 1b187e38348..1feb07ae642 100644
--- a/dlls/comctl32/button.c
+++ b/dlls/comctl32/button.c
@@ -282,9 +282,6 @@ static UINT BUTTON_BStoDT( DWORD style, DWORD ex_style )
             default:         dtStyle |= DT_VCENTER; break;
         }
     }
-    else
-        /* GroupBox's text is always single line and is top aligned. */
-        dtStyle |= DT_SINGLELINE;
 
     return dtStyle;
 }