diff --git a/source/blender/editors/sculpt_paint/paint_cursor.cc b/source/blender/editors/sculpt_paint/paint_cursor.cc
index 9db79b9aca0..94c92f3a2a7 100644
--- a/source/blender/editors/sculpt_paint/paint_cursor.cc
+++ b/source/blender/editors/sculpt_paint/paint_cursor.cc
@@ -1567,6 +1567,7 @@ static void grease_pencil_brush_cursor_draw(PaintCursorContext *pcontext)
         const float3 location = placement.project(float2(pcontext->x, pcontext->y));
         pcontext->pixel_radius = project_brush_radius(
             &pcontext->vc, brush->unprojected_radius, location);
+        brush->size = pcontext->pixel_radius;
       }
       else {
         pcontext->pixel_radius = brush->size;
diff --git a/source/blender/windowmanager/intern/wm_operators.cc b/source/blender/windowmanager/intern/wm_operators.cc
index 6a8da90cda0..b1b7387cc41 100644
--- a/source/blender/windowmanager/intern/wm_operators.cc
+++ b/source/blender/windowmanager/intern/wm_operators.cc
@@ -2525,7 +2525,6 @@ struct RadialControl {
   int initial_co[2];
   int slow_mouse[2];
   bool slow_mode;
-  float scale_fac;
   Dial *dial;
   GPUTexture *texture;
   ListBase orig_paintcursors;
@@ -2575,31 +2574,6 @@ static void radial_control_update_header(wmOperator *op, bContext *C)
   ED_area_status_text(area, msg);
 }
 
-/* Helper: Compute the brush radius in pixels at the mouse position. */
-static float grease_pencil_unprojected_brush_radius_pixel_size(const bContext *C,
-                                                               const Brush *brush,
-                                                               const blender::float2 mval)
-{
-  using namespace blender;
-  Scene *scene = CTX_data_scene(C);
-  ARegion *region = CTX_wm_region(C);
-  View3D *view3d = CTX_wm_view3d(C);
-  RegionView3D *rv3d = CTX_wm_region_view3d(C);
-  Object *object = CTX_data_active_object(C);
-  Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
-  Object *eval_object = DEG_get_evaluated_object(depsgraph, object);
-
-  BLI_assert(object->type == OB_GREASE_PENCIL);
-  GreasePencil *grease_pencil = static_cast<GreasePencil *>(eval_object->data);
-
-  ed::greasepencil::DrawingPlacement placement(
-      *scene, *region, *view3d, *eval_object, grease_pencil->get_active_layer());
-  const float3 position = placement.project(mval);
-  const float pixel_size = ED_view3d_pixel_size(
-      rv3d, math::transform_point(placement.to_world_space(), position));
-  return brush->unprojected_radius / pixel_size;
-}
-
 static void radial_control_set_initial_mouse(bContext *C, RadialControl *rc, const wmEvent *event)
 {
   float d[2] = {0, 0};
@@ -2635,18 +2609,6 @@ static void radial_control_set_initial_mouse(bContext *C, RadialControl *rc, con
     d[0] *= zoom[0];
     d[1] *= zoom[1];
   }
-  rc->scale_fac = 1.0f;
-  if (rc->ptr.owner_id && GS(rc->ptr.owner_id->name) == ID_BR && rc->prop == &rna_Brush_size) {
-    Brush *brush = reinterpret_cast<Brush *>(rc->ptr.owner_id);
-    if ((brush && brush->gpencil_settings) && (brush->ob_mode == OB_MODE_PAINT_GREASE_PENCIL) &&
-        (brush->gpencil_brush_type == GPAINT_BRUSH_TYPE_DRAW) &&
-        (brush->flag & BRUSH_LOCK_SIZE) != 0)
-    {
-      const float radius_px = grease_pencil_unprojected_brush_radius_pixel_size(
-          C, brush, blender::float2(event->mval));
-      rc->scale_fac = max_ff(radius_px, 1.0f) / max_ff(rc->initial_value, 1.0f);
-    }
-  }
 
   rc->initial_mouse[0] -= d[0];
   rc->initial_mouse[1] -= d[1];
@@ -2852,9 +2814,6 @@ static void radial_control_paint_cursor(bContext * /*C*/, int x, int y, void *cu
     GPU_matrix_scale_2fv(zoom);
   }
 
-  /* Apply scale correction (used by grease pencil brushes). */
-  GPU_matrix_scale_2f(rc->scale_fac, rc->scale_fac);
-
   /* Draw rotated texture. */
   radial_control_paint_tex(rc, tex_radius, alpha);