diff --git a/src/fe-text/mainwindows.c b/src/fe-text/mainwindows.c
index bc043798..d70811f2 100644
--- a/src/fe-text/mainwindows.c
+++ b/src/fe-text/mainwindows.c
@@ -434,7 +434,7 @@ static void mainwindows_resize_bigger(int xdiff, int ydiff)
 	g_slist_free(sorted);
 }
 
-void mainwindows_resize_horiz(int xdiff)
+static void mainwindows_resize_horiz(int xdiff)
 {
 	GSList *tmp;
 
diff --git a/src/fe-text/statusbar.c b/src/fe-text/statusbar.c
index 45bdec05..d81890e1 100644
--- a/src/fe-text/statusbar.c
+++ b/src/fe-text/statusbar.c
@@ -624,7 +624,7 @@ STATUSBAR_REC *statusbar_find(STATUSBAR_GROUP_REC *group, const char *name,
         return NULL;
 }
 
-const char *statusbar_item_get_value(SBAR_ITEM_REC *item)
+static const char *statusbar_item_get_value(SBAR_ITEM_REC *item)
 {
 	const char *value;
 
diff --git a/src/perl/common/Core.xs b/src/perl/common/Core.xs
index 4032340a..1a7ee18d 100644
--- a/src/perl/common/Core.xs
+++ b/src/perl/common/Core.xs
@@ -7,7 +7,7 @@
 
 #define DEFAULT_COMMAND_CATEGORY "Perl scripts' commands"
 
-void perl_signal_add_hash(int priority, SV *sv)
+static void perl_signal_add_hash(int priority, SV *sv)
 {
 	HV *hv;
         HE *he;
diff --git a/src/perl/common/Expando.xs b/src/perl/common/Expando.xs
index 5bf27bec..31b4f990 100644
--- a/src/perl/common/Expando.xs
+++ b/src/perl/common/Expando.xs
@@ -100,7 +100,7 @@ static char *sig_perl_expando(SERVER_REC *server, void *item, int *free_ret)
 	return NULL;
 }
 
-void expando_signals_add_hash(const char *key, SV *signals)
+static void expando_signals_add_hash(const char *key, SV *signals)
 {
 	HV *hv;
         HE *he;
diff --git a/src/perl/ui/Themes.xs b/src/perl/ui/Themes.xs
index 4afd437c..76675e7b 100644
--- a/src/perl/ui/Themes.xs
+++ b/src/perl/ui/Themes.xs
@@ -1,6 +1,6 @@
 #include "module.h"
 
-void printformat_perl(TEXT_DEST_REC *dest, char *format, char **arglist)
+static void printformat_perl(TEXT_DEST_REC *dest, char *format, char **arglist)
 {
 	THEME_REC *theme;
 	char *module, *str;