diff --git a/plugins/sudoers/testsudoers.c b/plugins/sudoers/testsudoers.c
index c66298e10..f7e9f2cba 100644
--- a/plugins/sudoers/testsudoers.c
+++ b/plugins/sudoers/testsudoers.c
@@ -81,6 +81,7 @@ void print_userspecs(void);
 void usage(void) __attribute__((__noreturn__));
 void set_runasgr(char *);
 void set_runaspw(char *);
+void cleanup(int);
 static int testsudoers_printf(int msg_type, const char *fmt, ...);
 
 extern void setgrfile(const char *);
diff --git a/plugins/sudoers/visudo.c b/plugins/sudoers/visudo.c
index 0262e9cee..cf97ef6ff 100644
--- a/plugins/sudoers/visudo.c
+++ b/plugins/sudoers/visudo.c
@@ -113,6 +113,8 @@ static void print_undefined(char *name, int, int, int);
 static void setup_signals(void);
 static void usage(void) __attribute__((__noreturn__));
 
+void cleanup(int);
+
 extern void yyerror(const char *);
 extern void yyrestart(FILE *);