diff --git a/inc/dd.h b/inc/dd.h
index 0b19dd9..dd4f411 100644
--- a/inc/dd.h
+++ b/inc/dd.h
@@ -143,7 +143,6 @@ typedef struct CNCDDRAW
     BOOL fpupreserve;
     BOOL dinput_show_cursor;
     BOOL allow_wmactivate;
-    int d3d9_adapter;
     BOOL opengl_core;
     BOOL accurate_timers;
     BOOL resizable;
diff --git a/src/config.c b/src/config.c
index ff2a259..f8870dc 100644
--- a/src/config.c
+++ b/src/config.c
@@ -50,7 +50,6 @@ void cfg_load()
     g_ddraw->fpupreserve = cfg_get_bool("fpupreserve", TRUE);
     g_ddraw->dinput_show_cursor = cfg_get_bool("dinput_show_cursor", FALSE);
     g_ddraw->allow_wmactivate = cfg_get_bool("allow_wmactivate", FALSE);
-    g_ddraw->d3d9_adapter = cfg_get_int("d3d9_adapter", 0);
     g_ddraw->guard_lines = cfg_get_int("guard_lines", 200);
     g_ddraw->max_resolutions = cfg_get_int("max_resolutions", 0);
     g_ddraw->limit_bltfast = cfg_get_bool("limit_bltfast", FALSE);
@@ -360,7 +359,6 @@ static void cfg_create_ini()
             "\n"
             "\n"
             "; Undocumented settings\n"
-            "d3d9_adapter=0\n"
             "opengl_core=false\n"
             "d3d9on12=false\n"
             "guard_lines=200\n"
diff --git a/src/render_d3d9.c b/src/render_d3d9.c
index 5d94b92..97277bf 100644
--- a/src/render_d3d9.c
+++ b/src/render_d3d9.c
@@ -81,8 +81,8 @@ BOOL d3d9_create()
 #if _DEBUG 
             D3DADAPTER_IDENTIFIER9 ai = {0};
             D3DCAPS9 caps = { 0 };
-            HRESULT hr = IDirect3D9_GetAdapterIdentifier(g_d3d9.instance, g_ddraw->d3d9_adapter, 0, &ai);
-            HRESULT hr2 = IDirect3D9_GetDeviceCaps(g_d3d9.instance, g_ddraw->d3d9_adapter, D3DDEVTYPE_HAL, &caps);
+            HRESULT hr = IDirect3D9_GetAdapterIdentifier(g_d3d9.instance, D3DADAPTER_DEFAULT, 0, &ai);
+            HRESULT hr2 = IDirect3D9_GetDeviceCaps(g_d3d9.instance, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &caps);
 
             if (SUCCEEDED(hr)) 
             {
@@ -145,7 +145,7 @@ BOOL d3d9_create()
                 if (SUCCEEDED(
                     IDirect3D9_CreateDevice(
                         g_d3d9.instance,
-                        g_ddraw->d3d9_adapter,
+                        D3DADAPTER_DEFAULT,
                         D3DDEVTYPE_HAL,
                         g_ddraw->hwnd,
                         behavior_flags[i] | (g_ddraw->fpupreserve ? D3DCREATE_FPU_PRESERVE : 0),