diff --git a/common/graph-parm.c b/common/graph-parm.c
index 6cb9c4b..819fa34 100644
--- a/common/graph-parm.c
+++ b/common/graph-parm.c
@@ -85,6 +85,8 @@ multiload_graph_parm_get_data (int Maximum, int data[4], LoadGraph *g, Parametri
 		}
 
 	}
+	g_free (stdout);
+	g_free (stderr);
 
 	if (xd->error == TRUE) {
 		memset(xd->result, 0, 4*sizeof(xd->result[0]));
diff --git a/common/load-graph.c b/common/load-graph.c
index 3c32960..f647a20 100644
--- a/common/load-graph.c
+++ b/common/load-graph.c
@@ -93,6 +93,7 @@ load_graph_cairo_set_gradient(cairo_t *cr, double width, double height, int dire
 	cairo_pattern_add_color_stop_rgb (pat, 0, a->red, a->green, a->blue);
 	cairo_pattern_add_color_stop_rgb (pat, 1, b->red, b->green, b->blue);
 	cairo_set_source(cr, pat);
+	cairo_pattern_destroy (pat);
 }
 
 /* Redraws the backing pixmap for the load graph and updates the window */
@@ -446,7 +447,7 @@ load_graph_new (MultiloadPlugin *ma, guint id)
 		g_signal_connect (G_OBJECT(g->disp), "draw", G_CALLBACK (load_graph_draw_cb), g);
 	#endif */
 	g_signal_connect (G_OBJECT(g->disp), "configure_event", G_CALLBACK (load_graph_configure), g);
-	g_signal_connect (G_OBJECT(g->disp), "destroy", G_CALLBACK (load_graph_destroy), g);
+	g_signal_connect (G_OBJECT(g->main_widget), "destroy", G_CALLBACK (load_graph_destroy), g);
 	g_signal_connect (G_OBJECT(g->disp), "button-press-event", G_CALLBACK (load_graph_clicked), g);
 	g_signal_connect (G_OBJECT(g->disp), "enter-notify-event", G_CALLBACK(load_graph_mouse_move_cb), g);
 	g_signal_connect (G_OBJECT(g->disp), "leave-notify-event", G_CALLBACK(load_graph_mouse_move_cb), g);
diff --git a/common/multiload.c b/common/multiload.c
index 27ff1f2..5e90231 100644
--- a/common/multiload.c
+++ b/common/multiload.c
@@ -366,20 +366,22 @@ multiload_new()
 }
 
 void
-multiload_destroy(MultiloadPlugin *ma)
+multiload_free(MultiloadPlugin *ma)
 {
 	gint i;
 
 	for (i = 0; i < GRAPH_MAX; i++) {
-		load_graph_stop(ma->graphs[i]);
-		gtk_widget_destroy(ma->graphs[i]->main_widget);
+		load_graph_stop (ma->graphs[i]);
+		gtk_widget_destroy (ma->graphs[i]->main_widget);
 
-		load_graph_unalloc(ma->graphs[i]);
-		g_free(ma->graphs[i]);
+		load_graph_unalloc (ma->graphs[i]);
+		g_free (ma->graphs[i]);
 
-		g_free(ma->extra_data[i]);
+		g_free (ma->extra_data[i]);
 	}
 
+	g_free (ma);
+
 	g_debug("[multiload] Destroyed");
 }
 
diff --git a/common/multiload.h b/common/multiload.h
index 934c66b..07164e3 100644
--- a/common/multiload.h
+++ b/common/multiload.h
@@ -172,7 +172,7 @@ multiload_defaults(MultiloadPlugin *ma);
 G_GNUC_INTERNAL MultiloadPlugin*
 multiload_new();
 G_GNUC_INTERNAL void
-multiload_destroy(MultiloadPlugin *ma);
+multiload_free(MultiloadPlugin *ma);
 G_GNUC_INTERNAL int
 multiload_find_graph_by_name(char *str, char **suffix);
 
diff --git a/common/ps-settings-impl-gkeyfile.inc b/common/ps-settings-impl-gkeyfile.inc
index ef22a4e..dab3836 100644
--- a/common/ps-settings-impl-gkeyfile.inc
+++ b/common/ps-settings-impl-gkeyfile.inc
@@ -60,6 +60,7 @@ multiload_ps_settings_open_for_read(MultiloadPlugin *ma)
 		}
 	}
 
+	g_free(fname);
 	g_clear_error(&err);
 	return gkf;
 }
diff --git a/common/ui.c b/common/ui.c
index 693ffc6..1fd8172 100644
--- a/common/ui.c
+++ b/common/ui.c
@@ -418,9 +418,12 @@ multiload_ui_parse_cmdline(int *argc, char ***argv, GOptionEntry *extra_entries)
 
 	if (!g_option_context_parse (context, argc, argv, &error)) {
 		g_print ("%s\n", error->message);
+		g_error_free (error);
 		exit (1);
 	}
 
+	g_option_context_free (context);
+
 	return options;
 }
 
diff --git a/indicator/plugin.c b/indicator/plugin.c
index ed8ac90..b97bde5 100644
--- a/indicator/plugin.c
+++ b/indicator/plugin.c
@@ -61,19 +61,19 @@ indicator_cleanup(int sig)
 		sprintf(signame, "Signal %d", sig);
 
 	printf("Received %s, cleaning up...\n", signame);
-    remove(icon_filename[0]);
-    remove(icon_filename[1]);
-    remove(icon_directory);
+	remove(icon_filename[0]);
+	remove(icon_filename[1]);
+	remove(icon_directory);
 
-    exit(0);
+	exit(0);
 }
 
 static void
 indicator_destroy_cb(GtkWidget *widget, MultiloadPlugin *ma)
 {
-    gtk_main_quit ();
-    g_free(ma);
-    indicator_cleanup(0);
+	gtk_main_quit ();
+	multiload_free (ma);
+	indicator_cleanup (0);
 }
 
 static void
diff --git a/standalone/plugin.c b/standalone/plugin.c
index 5910f97..5dd6b51 100644
--- a/standalone/plugin.c
+++ b/standalone/plugin.c
@@ -41,8 +41,8 @@
 static void
 standalone_destroy_cb (GtkWidget *widget, MultiloadPlugin *multiload)
 {
-    gtk_main_quit ();
-    g_free(multiload);
+	gtk_main_quit ();
+	multiload_free (multiload);
 }
 
 static void
diff --git a/systray/plugin.c b/systray/plugin.c
index 8159a1e..208254a 100644
--- a/systray/plugin.c
+++ b/systray/plugin.c
@@ -48,8 +48,8 @@ static guint timer_indexes[GRAPH_MAX];
 static void
 systray_destroy_cb(GtkWidget *widget, MultiloadPlugin *ma)
 {
-    gtk_main_quit ();
-    g_free(ma);
+	gtk_main_quit ();
+	multiload_free (ma);
 }
 
 static void
diff --git a/xfce4/plugin.c b/xfce4/plugin.c
index ee2ab2f..707e20d 100644
--- a/xfce4/plugin.c
+++ b/xfce4/plugin.c
@@ -141,7 +141,7 @@ xfce_free_cb (XfcePanelPlugin *plugin, MultiloadPlugin *multiload)
 	if (G_UNLIKELY (multiload->pref_dialog != NULL))
 		gtk_widget_destroy (multiload->pref_dialog);
 
-	multiload_destroy (multiload);
+	multiload_free (multiload);
 	gtk_widget_destroy (GTK_WIDGET(multiload->container));
 
 	g_slice_free (MultiloadPlugin, multiload);