diff --git a/capture_opts.c b/capture_opts.c
index 7cc0c5d43e..8b249d6175 100644
--- a/capture_opts.c
+++ b/capture_opts.c
@@ -1225,12 +1225,6 @@ capture_opts_free_interface_t_links(gpointer elem, gpointer unused _U_)
     g_free(elem);
 }
 
-static void
-capture_opts_free_interface_t_addrs(gpointer elem, gpointer unused _U_)
-{
-    g_free(elem);
-}
-
 void
 capture_opts_free_interface_t(interface_t *device)
 {
@@ -1253,9 +1247,7 @@ capture_opts_free_interface_t(interface_t *device)
         g_free(device->if_info.name);
         g_free(device->if_info.friendly_name);
         g_free(device->if_info.vendor_description);
-        g_slist_foreach(device->if_info.addrs,
-                        capture_opts_free_interface_t_addrs, NULL);
-        g_slist_free(device->if_info.addrs);
+        g_slist_free_full(device->if_info.addrs, g_free);
         g_free(device->if_info.extcap);
     }
 }
diff --git a/caputils/capture-pcap-util.c b/caputils/capture-pcap-util.c
index 581ed15c76..3464827828 100644
--- a/caputils/capture-pcap-util.c
+++ b/caputils/capture-pcap-util.c
@@ -526,12 +526,6 @@ get_interface_list_findalldevs(int *err, char **err_str)
 }
 #endif /* HAVE_PCAP_FINDALLDEVS */
 
-static void
-free_if_info_addr_cb(gpointer addr, gpointer user_data _U_)
-{
-	g_free(addr);
-}
-
 static void
 free_if_cb(gpointer data, gpointer user_data _U_)
 {
@@ -541,8 +535,7 @@ free_if_cb(gpointer data, gpointer user_data _U_)
 	g_free(if_info->friendly_name);
 	g_free(if_info->vendor_description);
 	g_free(if_info->extcap);
-	g_slist_foreach(if_info->addrs, free_if_info_addr_cb, NULL);
-	g_slist_free(if_info->addrs);
+	g_slist_free_full(if_info->addrs, g_free);
 	g_free(if_info);
 }
 
diff --git a/epan/color_filters.c b/epan/color_filters.c
index be6d066a5b..2b7f1b7fda 100644
--- a/epan/color_filters.c
+++ b/epan/color_filters.c
@@ -219,7 +219,7 @@ color_filter_delete(color_filter_t *colorf)
 
 /* delete the specified filter (called from g_slist_foreach) */
 static void
-color_filter_delete_cb(gpointer filter_arg, gpointer unused _U_)
+color_filter_delete_cb(gpointer filter_arg)
 {
     color_filter_t *colorf = (color_filter_t *)filter_arg;
 
@@ -230,8 +230,7 @@ color_filter_delete_cb(gpointer filter_arg, gpointer unused _U_)
 void
 color_filter_list_delete(GSList **cfl)
 {
-    g_slist_foreach(*cfl, color_filter_delete_cb, NULL);
-    g_slist_free(*cfl);
+    g_slist_free_full(*cfl, color_filter_delete_cb);
     *cfl = NULL;
 }
 
diff --git a/epan/column-utils.c b/epan/column-utils.c
index 9b544eb15f..104739e686 100644
--- a/epan/column-utils.c
+++ b/epan/column-utils.c
@@ -70,18 +70,11 @@ col_setup(column_info *cinfo, const gint num_cols)
     G_REGEX_ANCHORED, G_REGEX_MATCH_ANCHORED, NULL);
 }
 
-static void
-col_custom_ids_free_wrapper(gpointer data, gpointer user_data _U_)
-{
-  g_free(data);
-}
-
 static void
 col_custom_fields_ids_free(GSList** custom_fields_id)
 {
   if (*custom_fields_id != NULL) {
-    g_slist_foreach(*custom_fields_id, col_custom_ids_free_wrapper, NULL);
-    g_slist_free(*custom_fields_id);
+    g_slist_free_full(*custom_fields_id, g_free);
   }
   *custom_fields_id = NULL;
 }
diff --git a/epan/dfilter/sttype-function.c b/epan/dfilter/sttype-function.c
index 3d58543c3a..73478b28ef 100644
--- a/epan/dfilter/sttype-function.c
+++ b/epan/dfilter/sttype-function.c
@@ -52,7 +52,7 @@ function_dup(gconstpointer data)
 }
 
 static void
-slist_stnode_free(gpointer data, gpointer user_data _U_)
+slist_stnode_free(gpointer data)
 {
 	stnode_free((stnode_t *)data);
 }
@@ -60,8 +60,7 @@ slist_stnode_free(gpointer data, gpointer user_data _U_)
 void
 st_funcparams_free(GSList *params)
 {
-	g_slist_foreach(params, slist_stnode_free, NULL);
-	g_slist_free(params);
+	g_slist_free_full(params, slist_stnode_free);
 }
 
 static void
diff --git a/epan/dfilter/sttype-set.c b/epan/dfilter/sttype-set.c
index 8f460f49a1..8b4634a2c3 100644
--- a/epan/dfilter/sttype-set.c
+++ b/epan/dfilter/sttype-set.c
@@ -12,7 +12,7 @@
 #include "sttype-set.h"
 
 static void
-slist_stnode_free(gpointer data, gpointer user_data _U_)
+slist_stnode_free(gpointer data)
 {
 	stnode_free((stnode_t *)data);
 }
@@ -20,8 +20,7 @@ slist_stnode_free(gpointer data, gpointer user_data _U_)
 void
 set_nodelist_free(GSList *params)
 {
-	g_slist_foreach(params, slist_stnode_free, NULL);
-	g_slist_free(params);
+	g_slist_free_full(params, slist_stnode_free);
 }
 
 void
diff --git a/epan/exported_pdu.c b/epan/exported_pdu.c
index 5cc0a7408c..d260415328 100644
--- a/epan/exported_pdu.c
+++ b/epan/exported_pdu.c
@@ -320,16 +320,9 @@ void export_pdu_init(void)
 {
 }
 
-static void
-free_list_element(gpointer elem, gpointer data _U_)
-{
-	g_free(elem);
-}
-
 void export_pdu_cleanup(void)
 {
-	g_slist_foreach(export_pdu_tap_name_list, free_list_element, NULL);
-	g_slist_free(export_pdu_tap_name_list);
+	g_slist_free_full(export_pdu_tap_name_list, g_free);
 }
 
 /*
diff --git a/epan/packet.c b/epan/packet.c
index 80d754c10f..6383f653d2 100644
--- a/epan/packet.c
+++ b/epan/packet.c
@@ -139,8 +139,7 @@ destroy_depend_dissector_list(void *data)
 	depend_dissector_list_t dissector_list = (depend_dissector_list_t)data;
 	GSList **list = &(dissector_list->dissectors);
 
-	g_slist_foreach(*list, (GFunc)g_free, NULL);
-	g_slist_free(*list);
+	g_slist_free_full(*list, g_free);
 	g_slice_free(struct depend_dissector_list, dissector_list);
 }
 
@@ -158,7 +157,7 @@ static GHashTable *heur_dissector_lists = NULL;
 static GHashTable* heuristic_short_names  = NULL;
 
 static void
-destroy_heuristic_dissector_entry(gpointer data, gpointer user_data _U_)
+destroy_heuristic_dissector_entry(gpointer data)
 {
 	heur_dtbl_entry_t *hdtbl_entry = (heur_dtbl_entry_t *)data;
 	g_free(hdtbl_entry->list_name);
@@ -172,8 +171,7 @@ destroy_heuristic_dissector_list(void *data)
 	heur_dissector_list_t dissector_list = (heur_dissector_list_t)data;
 	GSList **list = &(dissector_list->dissectors);
 
-	g_slist_foreach(*list, destroy_heuristic_dissector_entry, NULL);
-	g_slist_free(*list);
+	g_slist_free_full(*list, destroy_heuristic_dissector_entry);
 	g_slice_free(struct heur_dissector_list, dissector_list);
 }