diff --git a/src/cairo-cff-subset.c b/src/cairo-cff-subset.c
index e3a0e4b3f..5954742df 100644
--- a/src/cairo-cff-subset.c
+++ b/src/cairo-cff-subset.c
@@ -1473,7 +1473,7 @@ cairo_cff_font_write_fdselect (cairo_cff_font_t  *font)
 }
 
 /* Winansi to CFF standard strings mapping for characters 128 to 255 */
-const int winansi_to_cff_std_string[] = {
+static const int winansi_to_cff_std_string[] = {
 	/* 128 */
       0,   0, 117, 101, 118, 121, 112, 113,
     126, 122, 192, 107, 142,   0, 199,   0,
diff --git a/src/cairo-scaled-font-subsets-private.h b/src/cairo-scaled-font-subsets-private.h
index b1e06b7f3..e2f2b4c21 100644
--- a/src/cairo-scaled-font-subsets-private.h
+++ b/src/cairo-scaled-font-subsets-private.h
@@ -392,7 +392,7 @@ _cairo_cff_subset_fini (cairo_cff_subset_t *cff_subset);
  *
  * Return %TRUE if @scaled_font is a CID CFF font, otherwise return %FALSE.
  **/
-cairo_bool_t
+cairo_private cairo_bool_t
 _cairo_cff_scaled_font_is_cid_cff (cairo_scaled_font_t *scaled_font);
 
 /**