diff --git a/editor/editor_fonts.cpp b/editor/editor_fonts.cpp
index 360c3e41614..7e20077fd61 100644
--- a/editor/editor_fonts.cpp
+++ b/editor/editor_fonts.cpp
@@ -180,9 +180,4 @@ void editor_register_fonts(Ref<Theme> p_theme) {
 	df_output_code->set_font_data(dfmono);
 	MAKE_FALLBACKS(df_output_code);
 	p_theme->set_font("status_source", "EditorFonts", df_output_code);
-
-	//replace default theme
-	Ref<Texture> di;
-	Ref<StyleBox> ds;
-	fill_default_theme(p_theme, df, df_doc, di, ds, EDSCALE);
 }
diff --git a/editor/editor_themes.cpp b/editor/editor_themes.cpp
index 220ee2b28fd..de0c3f55ccf 100644
--- a/editor/editor_themes.cpp
+++ b/editor/editor_themes.cpp
@@ -1045,7 +1045,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 }
 
 Ref<Theme> create_custom_theme() {
-	Ref<Theme> theme;
+	Ref<Theme> theme = create_editor_theme();
 
 	String custom_theme = EditorSettings::get_singleton()->get("interface/theme/custom_theme");
 	if (custom_theme != "") {