diff --git a/include/c/sk_textblob.h b/include/c/sk_textblob.h
index f583abe980b..7e86712363c 100644
--- a/include/c/sk_textblob.h
+++ b/include/c/sk_textblob.h
@@ -22,9 +22,9 @@ SK_C_API void sk_textblob_get_bounds(const sk_textblob_t* blob, sk_rect_t* bound
 SK_C_API sk_textblob_builder_t* sk_textblob_builder_new();
 SK_C_API void sk_textblob_builder_delete(sk_textblob_builder_t* builder);
 SK_C_API sk_textblob_t* sk_textblob_builder_make(sk_textblob_builder_t* builder);
-SK_C_API void sk_textblob_builder_alloc_run_text(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, float x, float y, int textByteCount, const sk_string_t* lang, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer);
-SK_C_API void sk_textblob_builder_alloc_run_text_pos_h(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, float y, int textByteCount, const sk_string_t* lang, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer);
-SK_C_API void sk_textblob_builder_alloc_run_text_pos(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, int textByteCount, const sk_string_t* lang, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer);
+SK_C_API void sk_textblob_builder_alloc_run_text(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, float x, float y, int textByteCount, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer);
+SK_C_API void sk_textblob_builder_alloc_run_text_pos_h(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, float y, int textByteCount, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer);
+SK_C_API void sk_textblob_builder_alloc_run_text_pos(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, int textByteCount, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer);
 
 SK_C_PLUS_PLUS_END_GUARD
 
diff --git a/src/c/sk_textblob.cpp b/src/c/sk_textblob.cpp
index c239e1c00a1..4b9bd097422 100644
--- a/src/c/sk_textblob.cpp
+++ b/src/c/sk_textblob.cpp
@@ -43,14 +43,14 @@ sk_textblob_t* sk_textblob_builder_make(sk_textblob_builder_t* builder) {
     return ToTextBlob(AsTextBlobBuilder(builder)->make().release());
 }
 
-void sk_textblob_builder_alloc_run_text(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, float x, float y, int textByteCount, const sk_string_t* lang, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer) {
-    *runbuffer = ToTextBlobBuilderRunBuffer(AsTextBlobBuilder(builder)->allocRunText(AsPaint(*font), count, x, y, textByteCount, *AsString(lang), AsRect(bounds)));
+void sk_textblob_builder_alloc_run_text(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, float x, float y, int textByteCount, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer) {
+    *runbuffer = ToTextBlobBuilderRunBuffer(AsTextBlobBuilder(builder)->allocRunText(AsPaint(*font), count, x, y, textByteCount, SkString(), AsRect(bounds)));
 }
 
-void sk_textblob_builder_alloc_run_text_pos_h(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, float y, int textByteCount, const sk_string_t* lang, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer) {
-    *runbuffer = ToTextBlobBuilderRunBuffer(AsTextBlobBuilder(builder)->allocRunTextPosH(AsPaint(*font), count, y, textByteCount, *AsString(lang), AsRect(bounds)));
+void sk_textblob_builder_alloc_run_text_pos_h(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, float y, int textByteCount, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer) {
+    *runbuffer = ToTextBlobBuilderRunBuffer(AsTextBlobBuilder(builder)->allocRunTextPosH(AsPaint(*font), count, y, textByteCount, SkString(), AsRect(bounds)));
 }
 
-void sk_textblob_builder_alloc_run_text_pos(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, int textByteCount, const sk_string_t* lang, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer) {
-    *runbuffer = ToTextBlobBuilderRunBuffer(AsTextBlobBuilder(builder)->allocRunTextPos(AsPaint(*font), count, textByteCount, *AsString(lang), AsRect(bounds)));
+void sk_textblob_builder_alloc_run_text_pos(sk_textblob_builder_t* builder, const sk_paint_t* font, int count, int textByteCount, const sk_rect_t* bounds, sk_textblob_builder_runbuffer_t* runbuffer) {
+    *runbuffer = ToTextBlobBuilderRunBuffer(AsTextBlobBuilder(builder)->allocRunTextPos(AsPaint(*font), count, textByteCount, SkString(), AsRect(bounds)));
 }