diff --git a/CMakeLists.txt b/CMakeLists.txt
index d9f92add3..4bc020f15 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -153,7 +153,6 @@ cmake_dependent_option(ISAMEM_RAMPAGE "AST Rampage"
 cmake_dependent_option(ISAMEM_IAB     "Intel Above Board"                           ON      "DEV_BRANCH"    OFF)
 cmake_dependent_option(ISAMEM_BRAT    "BocaRAM/AT"                                  ON      "DEV_BRANCH"    OFF)
 cmake_dependent_option(LASERXT        "VTech Laser XT"                              ON      "DEV_BRANCH"    OFF)
-cmake_dependent_option(MGA            "Matrox Mystique graphics adapters"           ON      "DEV_BRANCH"    OFF)
 cmake_dependent_option(OLIVETTI       "Olivetti M290"                               ON      "DEV_BRANCH"    OFF)
 cmake_dependent_option(OPEN_AT        "OpenAT"                                      ON      "DEV_BRANCH"    OFF)
 cmake_dependent_option(PAS16          "Pro Audio Spectrum 16"                       ON      "DEV_BRANCH"    OFF)
diff --git a/src/include/86box/video.h b/src/include/86box/video.h
index 396b39124..921b8e778 100644
--- a/src/include/86box/video.h
+++ b/src/include/86box/video.h
@@ -433,10 +433,8 @@ extern const device_t pgc_device;
 
 /* Matrox MGA */
 extern const device_t millennium_device;
-#    if defined(DEV_BRANCH) && defined(USE_MGA)
 extern const device_t mystique_device;
 extern const device_t mystique_220_device;
-#    endif
 
 /* Oak OTI-0x7 */
 extern const device_t oti037c_device;
diff --git a/src/video/CMakeLists.txt b/src/video/CMakeLists.txt
index 6635252a6..638837757 100644
--- a/src/video/CMakeLists.txt
+++ b/src/video/CMakeLists.txt
@@ -28,10 +28,6 @@ add_library(vid OBJECT agpgart.c video.c vid_table.c vid_cga.c vid_cga_comp.c
     vid_ibm_rgb528_ramdac.c vid_sdac_ramdac.c vid_ogc.c vid_mga.c vid_nga.c
     vid_tvp3026_ramdac.c vid_att2xc498_ramdac.c vid_xga.c)
 
-if(MGA)
-    target_compile_definitions(vid PRIVATE USE_MGA)
-endif()
-
 if(VGAWONDER)
     target_compile_definitions(vid PRIVATE USE_VGAWONDER)
 endif()
diff --git a/src/video/vid_mga.c b/src/video/vid_mga.c
index 45ecd012f..4a4d9169e 100644
--- a/src/video/vid_mga.c
+++ b/src/video/vid_mga.c
@@ -5945,7 +5945,6 @@ const device_t millennium_device = {
     .config        = mystique_config
 };
 
-#if defined(DEV_BRANCH) && defined(USE_MGA)
 const device_t mystique_device = {
     .name          = "Matrox Mystique",
     .internal_name = "mystique",
@@ -5973,4 +5972,3 @@ const device_t mystique_220_device = {
     .force_redraw  = mystique_force_redraw,
     .config        = mystique_config
 };
-#endif
diff --git a/src/video/vid_table.c b/src/video/vid_table.c
index 0131fa3a4..ad6fca2c6 100644
--- a/src/video/vid_table.c
+++ b/src/video/vid_table.c
@@ -205,10 +205,8 @@ video_cards[] = {
     { &s3_diamond_stealth_4000_pci_device            },
     { &s3_trio3d2x_pci_device                        },
     { &millennium_device                             },
-#if defined(DEV_BRANCH) && defined(USE_MGA)
     { &mystique_device                               },
     { &mystique_220_device                           },
-#endif
     { &tgui9440_pci_device                           },
     { &tgui9660_pci_device                           },
     { &tgui9680_pci_device                           },
diff --git a/src/win/Makefile.mingw b/src/win/Makefile.mingw
index 13dbdcefe..8e4b99b56 100644
--- a/src/win/Makefile.mingw
+++ b/src/win/Makefile.mingw
@@ -64,9 +64,6 @@ ifeq ($(DEV_BUILD), y)
  ifndef LASERXT
   LASERXT := y
  endif
- ifndef MGA
-  MGA := y
- endif
  ifndef OLIVETTI
   OLIVETTI := y
  endif
@@ -128,9 +125,6 @@ else
  ifndef LASERXT
   LASERXT := n
  endif
- ifndef MGA
-  MGA := n
- endif
  ifndef OLIVETTI
   OLIVETTI := n
  endif
@@ -496,10 +490,6 @@ ifeq ($(DEV_BRANCH), y)
   DEVBROBJ += m_xt_laserxt.o
  endif
 
- ifeq ($(MGA), y)
-  OPTS     += -DUSE_MGA
- endif
-
  ifeq ($(OPEN_AT), y)
   OPTS += -DUSE_OPEN_AT
  endif