Cleanup: unused struct members

source/blender/draw/engines/external/external_engine.c

@@ -97,8 +97,6 @@ typedef struct EXTERNAL_PrivateData {
   /* Do we need to update the depth or can we reuse the last calculated texture. */
   bool need_depth;
   bool update_depth;
-
-  float last_persmat[4][4];
 } EXTERNAL_PrivateData; /* Transient data */
 
 /* Functions */

source/blender/editors/armature/meshlaplacian.c

@@ -94,9 +94,8 @@ struct LaplacianSystem {
     float (*verts)[3]; /* vertex coordinates */
     float (*vnors)[3]; /* vertex normals */
 
-    float (*root)[3];   /* bone root */
-    float (*tip)[3];    /* bone tip */
-    float (*source)[3]; /* vertex source */
+    float (*root)[3]; /* bone root */
+    float (*tip)[3];  /* bone tip */
     int numsource;
 
     float *H;       /* diagonal H matrix */

source/blender/editors/sculpt_paint/sculpt.c

@@ -2611,11 +2611,6 @@ static void update_brush_local_mat(Sculpt *sd, Object *ob)
   }
 }
 
-/* Note: uses after-struct allocated mem to store actual cache... */
-typedef struct SculptDoBrushSmoothGridDataChunk {
-  size_t tmpgrid_size;
-} SculptDoBrushSmoothGridDataChunk;
-
 typedef struct {
   SculptSession *ss;
   const float *ray_start;

source/blender/gpu/intern/gpu_platform.c

@@ -44,6 +44,8 @@ static struct GPUPlatformGlobal {
   char *gpu_name;
 } GPG = {false};
 
+/* Remove this? */
+#if 0
 typedef struct GPUPlatformSupportTest {
   eGPUSupportLevel support_level;
   eGPUDeviceType device;
@@ -53,6 +55,7 @@ typedef struct GPUPlatformSupportTest {
   const char *renderer;
   const char *version;
 } GPUPlatformSupportTest;
+#endif
 
 eGPUSupportLevel GPU_platform_support_level(void)
 {

source/blender/gpu/intern/gpu_state.c

@@ -208,7 +208,7 @@ typedef struct {
   uint is_cull_face : 1;
   uint is_depth_test : 1;
   uint is_dither : 1;
-  uint is_lighting : 1;
+  /* uint is_lighting : 1; */ /* UNUSED */
   uint is_line_smooth : 1;
   uint is_color_logic_op : 1;
   uint is_multisample : 1;