diff --git a/examples/cli.c b/examples/cli.c
index 2733209..9cd900b 100644
--- a/examples/cli.c
+++ b/examples/cli.c
@@ -21,7 +21,6 @@
 
 #include "editline.h"
 #include <string.h>
-#include <regex.h>
 
 #define HISTORY "/tmp/.cli-history"
 
@@ -117,33 +116,6 @@ el_status_t do_suspend(void)
     return CSstay;
 }
 
-static int my_rl_check_secret(const char* source)
-{
-    const char* pattern = (char *)"^unlock\\s";
-    regex_t regex;
-
-    int reti;
-    int rez = 0;
-
-    if (!pattern || !source)
-        return rez;
-
-    /* Compile regular expression */
-    reti = regcomp(&regex, pattern, 0);
-    if (reti) // If couldn't compile regex
-        return rez;
-
-    /* Execute regular expression */
-    reti = regexec(&regex, source, 0, NULL, 0);
-    if (!reti) // If regex match
-        rez = 1;
-
-    /* Free memory allocated to the pattern buffer by regcomp() */
-    regfree(&regex);
-
-    return rez;
-}
-
 int main(void)
 {
     char *line;
@@ -152,7 +124,6 @@ int main(void)
     /* Setup callbacks */
     rl_set_complete_func(&my_rl_complete);
     rl_set_list_possib_func(&my_rl_list_possib);
-    rl_set_check_secret_func(&my_rl_check_secret);
     el_bind_key('?', list_possible);
     el_bind_key(CTL('C'), do_break);
     el_bind_key(CTL('D'), do_exit);
diff --git a/include/editline.h b/include/editline.h
index c47a0bc..eb1a569 100644
--- a/include/editline.h
+++ b/include/editline.h
@@ -45,7 +45,6 @@ typedef enum {
 
 /* Editline specific types, despite rl_ prefix.  From Heimdal project. */
 typedef int rl_list_possib_func_t(char*, char***);
-typedef int rl_check_secret_func_t(const char*);
 typedef el_status_t el_keymap_func_t(void);
 typedef int  rl_hook_func_t(void);
 typedef int  rl_getc_func_t(void);
@@ -77,7 +76,6 @@ extern char       *rl_complete(char *token, int *match);
 extern int         rl_list_possib(char *token, char ***av);
 extern char      **rl_completion_matches(const char *token, rl_compentry_func_t *generator);
 extern char       *rl_filename_completion_function(const char *text, int state);
-extern int         rl_check_secret(char *source);
 
 /* For compatibility with FSF readline. */
 extern int         rl_point;
@@ -119,7 +117,6 @@ extern int   write_history      (const char *filename);
 extern rl_completion_func_t  *rl_attempted_completion_function;
 extern rl_complete_func_t    *rl_set_complete_func    (rl_complete_func_t *func);
 extern rl_list_possib_func_t *rl_set_list_possib_func (rl_list_possib_func_t *func);
-extern rl_check_secret_func_t *rl_set_check_secret_func (rl_check_secret_func_t *func);
 
 /* Alternate interface to plain readline(), for event loops */
 extern void rl_callback_handler_install (const char *prompt, rl_vcpfunc_t *lhandler);
diff --git a/src/complete.c b/src/complete.c
index 3e67b3f..d6b8a4b 100644
--- a/src/complete.c
+++ b/src/complete.c
@@ -397,21 +397,6 @@ char *rl_complete(char *token, int *match)
     return el_filename_complete(token, match);
 }
 
-static rl_check_secret_func_t *el_check_secret_func = NULL;
-/* For compatibility with the Heimdal project. */
-rl_check_secret_func_t *rl_set_check_secret_func(rl_check_secret_func_t *func)
-{
-    rl_check_secret_func_t *old = el_check_secret_func;
-    el_check_secret_func = func;
-    return old;
-}
-int rl_check_secret(char *source)
-{
-    if (el_check_secret_func)
-	     return el_check_secret_func(source);
-    return 0;
-}
-
 static rl_list_possib_func_t *el_list_possib_func = NULL;
 
 /* For compatibility with the Heimdal project. */
diff --git a/src/editline.c b/src/editline.c
index eb213a6..30f64f1 100644
--- a/src/editline.c
+++ b/src/editline.c
@@ -159,16 +159,12 @@ static void tty_flush(void)
     ssize_t res;
 
     if (!ScreenCount)
-        return;
+	return;
 
     if (!el_no_echo) {
-        if (rl_check_secret(rl_line_buffer))
-            res = write(el_outfd, "", 1);
-        else
-            res = write(el_outfd, Screen, ScreenCount);
-
-        if (res > 0)
-            ScreenCount = 0;
+	res = write(el_outfd, Screen, ScreenCount);
+	if (res > 0)
+	    ScreenCount = 0;
     }
 }
 
@@ -1138,10 +1134,6 @@ static void hist_add(const char *p)
     if (s == NULL)
         return;
 
-    // Don't add secret information in history
-    if (rl_check_secret(s))
-        return;
-
     if (H.Size < el_hist_size) {
         H.Lines[H.Size++] = s;
     } else {