diff --git a/include/theme/theme.h b/include/theme/theme.h
index 09d6955b..1287c3cf 100644
--- a/include/theme/theme.h
+++ b/include/theme/theme.h
@@ -42,7 +42,7 @@ void parse_hexstr(const char *hex, float *rgba);
 
 /**
  * theme_init - read openbox theme and generate button textures
- * @theme: global theme struct
+ * @theme: theme data
  * @renderer: wlr_renderer for creating button textures
  * @theme_name: theme-name in <theme-dir>/<theme-name>/openbox-3/themerc
  * Note <theme-dir> is obtained in theme-dir.c
@@ -50,6 +50,12 @@ void parse_hexstr(const char *hex, float *rgba);
 void theme_init(struct theme *theme, struct wlr_renderer *renderer,
 		const char *theme_name);
 
+/**
+ * theme_finish - free button textures
+ * @theme: theme data
+ */
+void theme_finish(struct theme *theme);
+
 /**
  * theme_builin - apply built-in theme similar to Clearlooks
  * Note: Only used if no theme can be found. Default values for individual
diff --git a/src/main.c b/src/main.c
index 60675941..35d16671 100644
--- a/src/main.c
+++ b/src/main.c
@@ -90,8 +90,10 @@ main(int argc, char *argv[])
 	wl_display_run(server.wl_display);
 
 	server_finish(&server);
+
+	menu_finish(&rootmenu);
+	theme_finish(&theme);
 	rcxml_finish();
-	menu_finish(server.rootmenu);
 	font_finish();
 	return 0;
 }
diff --git a/src/server.c b/src/server.c
index 83df7ff8..7bd1da75 100644
--- a/src/server.c
+++ b/src/server.c
@@ -27,6 +27,7 @@ reload_config_and_theme(void)
 	/* TODO: use rc.config_path */
 	rcxml_finish();
 	rcxml_read(NULL);
+	theme_finish(g_server->theme);
 	theme_init(g_server->theme, g_server->renderer, rc.theme_name);
 	menu_reconfigure(g_server, g_server->rootmenu);
 	damage_all_outputs(g_server);
diff --git a/src/theme/theme.c b/src/theme/theme.c
index 05f837f4..ddf393bc 100644
--- a/src/theme/theme.c
+++ b/src/theme/theme.c
@@ -9,6 +9,7 @@
 #include "common/dir.h"
 #include "common/log.h"
 #include "common/string-helpers.h"
+#include "common/zfree.h"
 #include "theme/theme.h"
 #include "xbm/xbm.h"
 
@@ -135,3 +136,14 @@ theme_init(struct theme *theme, struct wlr_renderer *renderer,
 	theme_read(theme, theme_name);
 	xbm_load(theme, renderer);
 }
+
+void
+theme_finish(struct theme *theme)
+{
+	zfree(theme->xbm_close_active_unpressed);
+	zfree(theme->xbm_maximize_active_unpressed);
+	zfree(theme->xbm_iconify_active_unpressed);
+	zfree(theme->xbm_close_inactive_unpressed);
+	zfree(theme->xbm_maximize_inactive_unpressed);
+	zfree(theme->xbm_iconify_inactive_unpressed);
+}