diff --git a/src/OT/Color/COLR/COLR.hh b/src/OT/Color/COLR/COLR.hh
index d3f207bfc..16cd96e32 100644
--- a/src/OT/Color/COLR/COLR.hh
+++ b/src/OT/Color/COLR/COLR.hh
@@ -2632,6 +2632,7 @@ struct COLR
     }
     else
     {
+      // Ugh. We need to undo the synthetic slant here. Leave it for now. :-(.
       extents->x_bearing = e.xmin;
       extents->y_bearing = e.ymax;
       extents->width = e.xmax - e.xmin;
@@ -2699,6 +2700,7 @@ struct COLR
 	  if (get_clip (glyph, &extents, instancer))
 	  {
 	    font->scale_glyph_extents (&extents);
+	    font->synthetic_glyph_extents (&extents);
 	    c.funcs->push_clip_rectangle (c.data,
 					  extents.x_bearing,
 					  extents.y_bearing + extents.height,
diff --git a/src/hb-font.hh b/src/hb-font.hh
index a2e11c07e..b98387aec 100644
--- a/src/hb-font.hh
+++ b/src/hb-font.hh
@@ -192,22 +192,33 @@ struct hb_font_t
 
   void scale_glyph_extents (hb_glyph_extents_t *extents)
   {
-    float x1 = em_fscale_x (extents->x_bearing);
-    float y1 = em_fscale_y (extents->y_bearing);
-    float x2 = em_fscale_x (extents->x_bearing + extents->width);
-    float y2 = em_fscale_y (extents->y_bearing + extents->height);
-
-    /* Apply slant. */
-    if (slant_xy)
-    {
-      x1 += hb_min (y1 * slant_xy, y2 * slant_xy);
-      x2 += hb_max (y1 * slant_xy, y2 * slant_xy);
-    }
+    float x1 = em_scale_x (extents->x_bearing);
+    float y1 = em_scale_y (extents->y_bearing);
+    float x2 = em_scale_x (extents->x_bearing + extents->width);
+    float y2 = em_scale_y (extents->y_bearing + extents->height);
 
     extents->x_bearing = floorf (x1);
     extents->y_bearing = floorf (y1);
     extents->width = ceilf (x2) - extents->x_bearing;
     extents->height = ceilf (y2) - extents->y_bearing;
+  }
+
+  void synthetic_glyph_extents (hb_glyph_extents_t *extents)
+  {
+    /* Apply slant. */
+    if (slant_xy)
+    {
+      hb_position_t x1 = extents->x_bearing;
+      hb_position_t y1 = extents->y_bearing;
+      hb_position_t x2 = extents->x_bearing + extents->width;
+      hb_position_t y2 = extents->y_bearing + extents->height;
+
+      x1 += floorf (hb_min (y1 * slant_xy, y2 * slant_xy));
+      x2 += ceilf (hb_max (y1 * slant_xy, y2 * slant_xy));
+
+      extents->x_bearing = x1;
+      extents->width = x2 - extents->x_bearing;
+    }
 
     if (x_strength || y_strength)
     {
@@ -390,10 +401,14 @@ struct hb_font_t
 			       hb_glyph_extents_t *extents)
   {
     hb_memset (extents, 0, sizeof (*extents));
-    return klass->get.f.glyph_extents (this, user_data,
-				       glyph,
-				       extents,
-				       !klass->user_data ? nullptr : klass->user_data->glyph_extents);
+    bool ret = klass->get.f.glyph_extents (this, user_data,
+					   glyph,
+					   extents,
+					   !klass->user_data ? nullptr : klass->user_data->glyph_extents);
+    if (ret)
+      synthetic_glyph_extents (extents);
+
+    return ret;
   }
 
   hb_bool_t get_glyph_contour_point (hb_codepoint_t glyph, unsigned int point_index,
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index cef14b3a4..b04b7b30f 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -691,7 +691,7 @@ hb_ft_get_glyph_extents (hb_font_t *font,
   hb_lock_t lock (ft_font->lock);
   FT_Face ft_face = ft_font->ft_face;
   float x_mult, y_mult;
-  float slant_xy = font->slant_xy;
+
 #ifdef HAVE_FT_GET_TRANSFORM
   if (ft_font->transform)
   {
@@ -719,34 +719,11 @@ hb_ft_get_glyph_extents (hb_font_t *font,
   float x2 = x1 + x_mult *  ft_face->glyph->metrics.width;
   float y2 = y1 + y_mult * -ft_face->glyph->metrics.height;
 
-  /* Apply slant. */
-  if (slant_xy)
-  {
-    x1 += hb_min (y1 * slant_xy, y2 * slant_xy);
-    x2 += hb_max (y1 * slant_xy, y2 * slant_xy);
-  }
-
   extents->x_bearing = floorf (x1);
   extents->y_bearing = floorf (y1);
   extents->width = ceilf (x2) - extents->x_bearing;
   extents->height = ceilf (y2) - extents->y_bearing;
 
-  if (font->x_strength || font->y_strength)
-  {
-    /* Y */
-    int y_shift = font->y_strength;
-    if (font->y_scale < 0) y_shift = -y_shift;
-    extents->y_bearing += y_shift;
-    extents->height -= y_shift;
-
-    /* X */
-    int x_shift = font->x_strength;
-    if (font->x_scale < 0) x_shift = -x_shift;
-    if (font->embolden_in_place)
-      extents->x_bearing -= x_shift / 2;
-    extents->width += x_shift;
-  }
-
   return true;
 }