diff --git a/gcc/fortran/gfortran.h b/gcc/fortran/gfortran.h
index 6bd8800ecf8e57e39f44ec245ddce6df5eb35007..b541a07e2c7f80ebd33f4a5be24faf571c45f314 100644
--- a/gcc/fortran/gfortran.h
+++ b/gcc/fortran/gfortran.h
@@ -3207,7 +3207,6 @@ int gfc_at_eof (void);
 int gfc_at_bol (void);
 int gfc_at_eol (void);
 void gfc_advance_line (void);
-int gfc_check_include (void);
 int gfc_define_undef_line (void);
 
 int gfc_wide_is_printable (gfc_char_t);