diff --git a/src/hb-subset-input.cc b/src/hb-subset-input.cc
index 9907351de..c6fe54b2a 100644
--- a/src/hb-subset-input.cc
+++ b/src/hb-subset-input.cc
@@ -326,19 +326,6 @@ hb_subset_input_set_flag (hb_subset_input_t *input,
   }
 }
 
-HB_EXTERN void
-hb_subset_input_set_desubroutinize (hb_subset_input_t *subset_input,
-				    hb_bool_t desubroutinize)
-{
-  subset_input->desubroutinize = desubroutinize;
-}
-
-HB_EXTERN hb_bool_t
-hb_subset_input_get_desubroutinize (hb_subset_input_t *subset_input)
-{
-  return subset_input->desubroutinize;
-}
-
 /**
  * hb_subset_input_set_retain_gids:
  * @subset_input: a subset_input.
diff --git a/src/hb-subset.h b/src/hb-subset.h
index 1c461d868..31c69503f 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -95,12 +95,6 @@ hb_subset_input_set_flag (hb_subset_input_t *input,
 
 
 
-HB_EXTERN void
-hb_subset_input_set_desubroutinize (hb_subset_input_t *subset_input,
-				    hb_bool_t desubroutinize);
-HB_EXTERN hb_bool_t
-hb_subset_input_get_desubroutinize (hb_subset_input_t *subset_input);
-
 HB_EXTERN void
 hb_subset_input_set_retain_gids (hb_subset_input_t *subset_input,
 				 hb_bool_t retain_gids);
diff --git a/test/api/test-subset-cff1.c b/test/api/test-subset-cff1.c
index 49ae97c4f..19f2ad6f6 100644
--- a/test/api/test-subset-cff1.c
+++ b/test/api/test-subset-cff1.c
@@ -103,7 +103,7 @@ test_subset_cff1_desubr (void)
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
   input = hb_subset_test_create_input (codepoints);
-  hb_subset_input_set_desubroutinize (input, true);
+  hb_subset_input_set_flag (input, HB_SUBSET_FLAG_DESUBROUTINIZE, true);
   face_abc_subset = hb_subset_test_create_subset (face_abc, input);
   hb_set_destroy (codepoints);
 
@@ -127,7 +127,7 @@ test_subset_cff1_desubr_strip_hints (void)
   hb_set_add (codepoints, 'c');
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flag (input, HB_SUBSET_FLAG_HINTING, false);
-  hb_subset_input_set_desubroutinize (input, true);
+  hb_subset_input_set_flag (input, HB_SUBSET_FLAG_DESUBROUTINIZE, true);
   face_abc_subset = hb_subset_test_create_subset (face_abc, input);
   hb_set_destroy (codepoints);
 
@@ -193,7 +193,7 @@ test_subset_cff1_j_desubr (void)
   hb_set_add (codepoints, 0x41);
   hb_set_add (codepoints, 0x4C2E);
   input = hb_subset_test_create_input (codepoints);
-  hb_subset_input_set_desubroutinize (input, true);
+  hb_subset_input_set_flag (input, HB_SUBSET_FLAG_DESUBROUTINIZE, true);
   face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
   hb_set_destroy (codepoints);
 
@@ -217,7 +217,7 @@ test_subset_cff1_j_desubr_strip_hints (void)
   hb_set_add (codepoints, 0x4C2E);
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flag (input, HB_SUBSET_FLAG_HINTING, false);
-  hb_subset_input_set_desubroutinize (input, true);
+  hb_subset_input_set_flag (input, HB_SUBSET_FLAG_DESUBROUTINIZE, true);
   face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
   hb_set_destroy (codepoints);
 
diff --git a/test/api/test-subset-cff2.c b/test/api/test-subset-cff2.c
index f7cba4fc3..72ebf0932 100644
--- a/test/api/test-subset-cff2.c
+++ b/test/api/test-subset-cff2.c
@@ -103,7 +103,7 @@ test_subset_cff2_desubr (void)
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
   input = hb_subset_test_create_input (codepoints);
-  hb_subset_input_set_desubroutinize (input, true);
+  hb_subset_input_set_flag (input, HB_SUBSET_FLAG_DESUBROUTINIZE, true);
   face_abc_subset = hb_subset_test_create_subset (face_abc, input);
   hb_set_destroy (codepoints);
 
@@ -126,7 +126,7 @@ test_subset_cff2_desubr_strip_hints (void)
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
   input = hb_subset_test_create_input (codepoints);
-  hb_subset_input_set_desubroutinize (input, true);
+  hb_subset_input_set_flag (input, HB_SUBSET_FLAG_DESUBROUTINIZE, true);
   hb_subset_input_set_flag (input, HB_SUBSET_FLAG_HINTING, false);
   face_abc_subset = hb_subset_test_create_subset (face_abc, input);
   hb_set_destroy (codepoints);