diff --git a/src/proto/ex_cmds.pro b/src/proto/ex_cmds.pro
index 92887a6..a9e0658 100644
--- a/src/proto/ex_cmds.pro
+++ b/src/proto/ex_cmds.pro
@@ -35,15 +35,6 @@
 void set_old_sub(char_u *val);
 void free_old_sub(void);
 int prepare_tagpreview(int undo_sync, int use_previewpopup, use_popup_T use_popup);
-void ex_help(exarg_T *eap);
-void ex_helpclose(exarg_T *eap);
-char_u *check_help_lang(char_u *arg);
-int help_heuristic(char_u *matched_string, int offset, int wrong_case);
-int find_help_tags(char_u *arg, int *num_matches, char_u ***matches, int keep_lang);
-void fix_help_buffer(void);
-void ex_exusage(exarg_T *eap);
-void ex_viusage(exarg_T *eap);
-void ex_helptags(exarg_T *eap);
 void ex_smile(exarg_T *eap);
 void ex_drop(exarg_T *eap);
 char_u *skip_vimgrep_pat(char_u *p, char_u **s, int *flags);
diff --git a/src/proto/help.pro b/src/proto/help.pro
new file mode 100644
index 0000000..96f4efe
--- /dev/null
+++ b/src/proto/help.pro
@@ -0,0 +1,14 @@
+/* help.c */
+void ex_help(exarg_T *eap);
+void ex_helpclose(exarg_T *eap);
+char_u *check_help_lang(char_u *arg);
+int help_heuristic(char_u *matched_string, int offset, int wrong_case);
+int find_help_tags(char_u *arg, int *num_matches, char_u ***matches, int keep_lang);
+void cleanup_help_tags(int num_file, char_u **file);
+void prepare_help_buffer(void);
+void fix_help_buffer(void);
+void ex_exusage(exarg_T *eap);
+void ex_viusage(exarg_T *eap);
+void ex_helptags(exarg_T *eap);
+/* vim: set ft=c : */
+