diff --git a/gfx/drivers/d3d.cpp b/gfx/drivers/d3d.cpp
index d77858e590..c83a75fb9b 100644
--- a/gfx/drivers/d3d.cpp
+++ b/gfx/drivers/d3d.cpp
@@ -705,13 +705,10 @@ static void d3d_calculate_rect(void *data,
       {
          video_viewport_t *custom = video_viewport_get_custom();
 
-         if (custom)
-         {
-            *x          = custom->x;
-            *y          = custom->y;
-            *width      = custom->width;
-            *height     = custom->height;
-         }
+         *x          = custom->x;
+         *y          = custom->y;
+         *width      = custom->width;
+         *height     = custom->height;
       }
       else
 #endif
diff --git a/gfx/drivers/sdl2_gfx.c b/gfx/drivers/sdl2_gfx.c
index 45dd68f203..1585460dad 100644
--- a/gfx/drivers/sdl2_gfx.c
+++ b/gfx/drivers/sdl2_gfx.c
@@ -296,13 +296,10 @@ static void sdl_refresh_viewport(sdl2_video_t *vid)
       const struct video_viewport *custom = 
          (const struct video_viewport*)video_viewport_get_custom();
 
-      if (custom)
-      {
-         vid->vp.x = custom->x;
-         vid->vp.y = custom->y;
-         vid->vp.width  = custom->width;
-         vid->vp.height = custom->height;
-      }
+      vid->vp.x = custom->x;
+      vid->vp.y = custom->y;
+      vid->vp.width  = custom->width;
+      vid->vp.height = custom->height;
    }
    else if (vid->video.force_aspect)
    {
diff --git a/gfx/drivers/vita2d_gfx.c b/gfx/drivers/vita2d_gfx.c
index 6379cc688a..3553f8d6cb 100644
--- a/gfx/drivers/vita2d_gfx.c
+++ b/gfx/drivers/vita2d_gfx.c
@@ -471,7 +471,6 @@ static void vita2d_gfx_set_viewport(void *data, unsigned viewport_width,
       {
          const struct video_viewport *custom = video_viewport_get_custom();
 
-         /* Vukan has top-left origin viewport. */
          x               = custom->x;
          y               = custom->y;
          viewport_width  = custom->width;
diff --git a/gfx/drivers/vulkan.c b/gfx/drivers/vulkan.c
index 20b104adce..4740355ffd 100644
--- a/gfx/drivers/vulkan.c
+++ b/gfx/drivers/vulkan.c
@@ -1391,7 +1391,7 @@ static void vulkan_set_viewport(void *data, unsigned viewport_width,
       {
          const struct video_viewport *custom = video_viewport_get_custom();
 
-         /* Vukan has top-left origin viewport. */
+         /* Vulkan has top-left origin viewport. */
          x               = custom->x;
          y               = custom->y;
          viewport_width  = custom->width;
diff --git a/gfx/drivers/wiiu_gfx.c b/gfx/drivers/wiiu_gfx.c
index 89a05bc68b..d80c0e3b56 100644
--- a/gfx/drivers/wiiu_gfx.c
+++ b/gfx/drivers/wiiu_gfx.c
@@ -177,13 +177,10 @@ static void wiiu_gfx_update_viewport(wiiu_video_t* wiiu)
       {
          struct video_viewport *custom = video_viewport_get_custom();
 
-         if (custom)
-         {
-            x      = custom->x;
-            y      = custom->y;
-            width  = custom->width;
-            height = custom->height;
-         }
+         x      = custom->x;
+         y      = custom->y;
+         width  = custom->width;
+         height = custom->height;
       }
       else
 #endif