diff --git a/gjs/error-types.cpp b/gjs/error-types.cpp
index 86cb878..7045260 100644
--- a/gjs/error-types.cpp
+++ b/gjs/error-types.cpp
@@ -31,7 +31,7 @@ G_DEFINE_QUARK(gjs-js-error-quark, gjs_js_error)
 // clang-format on
 
 GType gjs_js_error_get_type(void) {
-    static volatile GType g_type_id;
+    static GType g_type_id;
 
     if (g_once_init_enter(&g_type_id)) {
         static GEnumValue errors[] = {
diff --git a/libgjs-private/gjs-util.c b/libgjs-private/gjs-util.c
index d4f7470..e420c78 100644
--- a/libgjs-private/gjs-util.c
+++ b/libgjs-private/gjs-util.c
@@ -56,7 +56,7 @@ gjs_format_int_alternative_output(int n)
 GType
 gjs_locale_category_get_type(void)
 {
-  static volatile size_t g_define_type_id__volatile = 0;
+  static size_t g_define_type_id__volatile = 0;
   if (g_once_init_enter(&g_define_type_id__volatile)) {
       static const GEnumValue v[] = {
           { GJS_LOCALE_CATEGORY_ALL, "GJS_LOCALE_CATEGORY_ALL", "all" },