diff --git a/inc/dd.h b/inc/dd.h
index 7aca2ef..8d6ef39 100644
--- a/inc/dd.h
+++ b/inc/dd.h
@@ -81,7 +81,6 @@ typedef struct CNCDDRAW
         DWORD minfps_tick_len;
         int width;
         int height;
-        int bpp;
         int opengl_y_align;
 
         HDC hdc;
diff --git a/inc/render_d3d9.h b/inc/render_d3d9.h
index d1c52a0..2de021c 100644
--- a/inc/render_d3d9.h
+++ b/inc/render_d3d9.h
@@ -23,7 +23,6 @@ typedef struct D3D9RENDERER
     IDirect3DPixelShader9* pixel_shader_upscale;
     float scale_w;
     float scale_h;
-    int bits_per_pixel;
     int tex_width;
     int tex_height;
 } D3D9RENDERER;
diff --git a/src/config.c b/src/config.c
index 0b124dd..b2a2be8 100644
--- a/src/config.c
+++ b/src/config.c
@@ -139,13 +139,6 @@ void cfg_load()
             SetProcessAffinityMask(proc, system_affinity);
     }
 
-    g_ddraw->render.bpp = cfg_get_int("bpp", 0);
-
-    if (g_ddraw->render.bpp != 16 && g_ddraw->render.bpp != 24 && g_ddraw->render.bpp != 32)
-    {
-        g_ddraw->render.bpp = 0;
-    }
-
     /* to do: read .glslp config file instead of the shader and apply the correct settings  */
     cfg_get_string("shader", "Shaders\\cubic\\catmull-rom-bilinear.glsl", g_ddraw->shader, sizeof(g_ddraw->shader));
 
diff --git a/src/dd.c b/src/dd.c
index 815cf17..e98f485 100644
--- a/src/dd.c
+++ b/src/dd.c
@@ -567,12 +567,6 @@ HRESULT dd_SetDisplayMode(DWORD dwWidth, DWORD dwHeight, DWORD dwBPP, DWORD dwFl
     g_ddraw->render.mode.dmPelsWidth = g_ddraw->render.width;
     g_ddraw->render.mode.dmPelsHeight = g_ddraw->render.height;
 
-    if (g_ddraw->render.bpp)
-    {
-        g_ddraw->render.mode.dmFields |= DM_BITSPERPEL;
-        g_ddraw->render.mode.dmBitsPerPel = g_ddraw->render.bpp;
-    }
-
     if (!g_ddraw->windowed)
     {
         /* Making sure the chosen resolution is valid */
@@ -951,7 +945,7 @@ HRESULT dd_SetCooperativeLevel(HWND hwnd, DWORD dwFlags)
                 PFD_DRAW_TO_WINDOW | PFD_DOUBLEBUFFER | (g_ddraw->renderer == ogl_render_main ? PFD_SUPPORT_OPENGL : 0);
 
             pfd.iPixelType = PFD_TYPE_RGBA;
-            pfd.cColorBits = g_ddraw->render.bpp ? g_ddraw->render.bpp : g_ddraw->mode.dmBitsPerPel;
+            pfd.cColorBits = g_ddraw->mode.dmBitsPerPel;
             pfd.iLayerType = PFD_MAIN_PLANE;
 
             SetPixelFormat(g_ddraw->render.hdc, ChoosePixelFormat(g_ddraw->render.hdc, &pfd), &pfd);
diff --git a/src/render_d3d9.c b/src/render_d3d9.c
index f582c57..5413120 100644
--- a/src/render_d3d9.c
+++ b/src/render_d3d9.c
@@ -117,8 +117,6 @@ BOOL d3d9_create()
                 TRACE("+------------------------------------------------\n");
             }
 #endif
-
-            g_d3d9.bits_per_pixel = g_ddraw->render.bpp ? g_ddraw->render.bpp : g_ddraw->mode.dmBitsPerPel;
             g_d3d9.hwnd = g_ddraw->hwnd;
 
             memset(&g_d3d9.params, 0, sizeof(g_d3d9.params));
@@ -129,7 +127,7 @@ BOOL d3d9_create()
             g_d3d9.params.PresentationInterval = g_ddraw->vsync ? D3DPRESENT_INTERVAL_ONE : D3DPRESENT_INTERVAL_IMMEDIATE;
             g_d3d9.params.BackBufferWidth = g_d3d9.params.Windowed ? 0 : g_ddraw->render.width;
             g_d3d9.params.BackBufferHeight = g_d3d9.params.Windowed ? 0 : g_ddraw->render.height;
-            g_d3d9.params.BackBufferFormat = g_d3d9.bits_per_pixel == 16 ? D3DFMT_R5G6B5 : D3DFMT_X8R8G8B8;
+            g_d3d9.params.BackBufferFormat = g_ddraw->mode.dmBitsPerPel == 16 ? D3DFMT_R5G6B5 : D3DFMT_X8R8G8B8;
             g_d3d9.params.BackBufferCount = 1;
 
             DWORD behavior_flags[] = {
@@ -174,7 +172,7 @@ BOOL d3d9_reset(BOOL windowed)
     g_d3d9.params.Windowed = windowed;
     g_d3d9.params.BackBufferWidth = windowed ? 0 : g_ddraw->render.width;
     g_d3d9.params.BackBufferHeight = windowed ? 0 : g_ddraw->render.height;
-    g_d3d9.params.BackBufferFormat = g_d3d9.bits_per_pixel == 16 ? D3DFMT_R5G6B5 : D3DFMT_X8R8G8B8;
+    g_d3d9.params.BackBufferFormat = g_ddraw->mode.dmBitsPerPel == 16 ? D3DFMT_R5G6B5 : D3DFMT_X8R8G8B8;
 
     if (g_d3d9.device && SUCCEEDED(IDirect3DDevice9_Reset(g_d3d9.device, &g_d3d9.params)))
     {