diff --git a/draw.c b/draw.c
index 282d7574..4aa607f5 100644
--- a/draw.c
+++ b/draw.c
@@ -263,7 +263,7 @@ draw_markup_on_element(markup_parser_data_t *p, const char *elem,
             xcolor_init_reply(reqs[i]);
 }
 
-bool
+static bool
 draw_text_markup_expand(draw_parser_data_t *data,
                         const char *str, ssize_t slen)
 {
diff --git a/draw.h b/draw.h
index c6931dd8..560f45ca 100644
--- a/draw.h
+++ b/draw.h
@@ -177,8 +177,6 @@ typedef struct
     } border;
 } draw_parser_data_t;
 
-bool draw_text_markup_expand(draw_parser_data_t *, const char *, ssize_t);
-
 void draw_text(draw_context_t *, font_t *, area_t, const char *, ssize_t len, draw_parser_data_t *);
 void draw_rectangle(draw_context_t *, area_t, float, bool, const xcolor_t *);
 void draw_rectangle_gradient(draw_context_t *, area_t, float, bool, vector_t,