diff --git a/gfx/cairo/README b/gfx/cairo/README
index 2244c472b316..4df51f9792ba 100644
--- a/gfx/cairo/README
+++ b/gfx/cairo/README
@@ -24,8 +24,6 @@ max-font-size.patch: Clamp freetype font size to 1000 to avoid overflow issues
 
 fbcompose-bandaid.patch: Disable "optimized" code in non-MMX case due to bugs
 
-quartz-glyph-rounding.patch: Round glyph positions, not advances, to float
-
 win32-scaled-font-size.patch: Add cairo_win32_font_face_create_for_logfontw_hfont,
 allow win32 scaled_fonts to rescale themselves properly to the required CTM
 and only use the font_face's hfont if we're sure it's appropriate
diff --git a/gfx/cairo/quartz-glyph-rounding.patch b/gfx/cairo/quartz-glyph-rounding.patch
deleted file mode 100755
index 0a29a84d9c01..000000000000
--- a/gfx/cairo/quartz-glyph-rounding.patch
+++ /dev/null
@@ -1,53 +0,0 @@
-Index: gfx/cairo/cairo/src/cairo-quartz-surface.c
-===================================================================
-RCS file: /cvsroot/mozilla/gfx/cairo/cairo/src/cairo-quartz-surface.c,v
-retrieving revision 1.9
-diff -u -p -1 -2 -r1.9 cairo-quartz-surface.c
---- gfx/cairo/cairo/src/cairo-quartz-surface.c	24 Jan 2007 23:53:03 -0000	1.9
-+++ gfx/cairo/cairo/src/cairo-quartz-surface.c	15 Mar 2007 03:34:48 -0000
-@@ -1407,37 +1407,39 @@ _cairo_quartz_surface_show_glyphs (void
-     // XXXtodo/perf: stack storage for glyphs/sizes
- #define STATIC_BUF_SIZE 64
-     CGGlyph glyphs_static[STATIC_BUF_SIZE];
-     CGSize cg_advances_static[STATIC_BUF_SIZE];
-     CGGlyph *cg_glyphs = &glyphs_static[0];
-     CGSize *cg_advances = &cg_advances_static[0];
- 
-     if (num_glyphs > STATIC_BUF_SIZE) {
- 	cg_glyphs = (CGGlyph*) malloc(sizeof(CGGlyph) * num_glyphs);
- 	cg_advances = (CGSize*) malloc(sizeof(CGSize) * num_glyphs);
-     }
- 
--    double xprev = glyphs[0].x;
--    double yprev = glyphs[0].y;
-+    float xprev = glyphs[0].x;
-+    float yprev = glyphs[0].y;
- 
-     cg_glyphs[0] = glyphs[0].index;
-     cg_advances[0].width = 0;
-     cg_advances[0].height = 0;
- 
-     for (i = 1; i < num_glyphs; i++) {
- 	cg_glyphs[i] = glyphs[i].index;
--	cg_advances[i-1].width = glyphs[i].x - xprev;
--	cg_advances[i-1].height = glyphs[i].y - yprev;
--	xprev = glyphs[i].x;
--	yprev = glyphs[i].y;
-+        float xf = glyphs[i].x;
-+        float yf = glyphs[i].y;
-+	cg_advances[i-1].width = xf - xprev;
-+	cg_advances[i-1].height = yf - yprev;
-+	xprev = xf;
-+	yprev = yf;
-     }
- 
- #if 0
-     for (i = 0; i < num_glyphs; i++) {
- 	ND((stderr, "[%d: %d %f,%f]\n", i, cg_glyphs[i], cg_advances[i].width, cg_advances[i].height));
-     }
- #endif
- 
-     CGContextShowGlyphsWithAdvances (surface->cgContext,
- 				     cg_glyphs,
- 				     cg_advances,
- 				     num_glyphs);