diff --git a/core/input/input_map.cpp b/core/input/input_map.cpp
index c7ca65f61a6..ebab1d12fd9 100644
--- a/core/input/input_map.cpp
+++ b/core/input/input_map.cpp
@@ -746,3 +746,7 @@ InputMap::InputMap() {
 	ERR_FAIL_COND_MSG(singleton, "Singleton in InputMap already exist.");
 	singleton = this;
 }
+
+InputMap::~InputMap() {
+	singleton = nullptr;
+}
diff --git a/core/input/input_map.h b/core/input/input_map.h
index a2d3952f943..c724fdb142b 100644
--- a/core/input/input_map.h
+++ b/core/input/input_map.h
@@ -95,6 +95,7 @@ public:
 	const OrderedHashMap<String, List<Ref<InputEvent>>> &get_builtins();
 
 	InputMap();
+	~InputMap();
 };
 
 #endif // INPUT_MAP_H
diff --git a/servers/display_server.cpp b/servers/display_server.cpp
index 3d444840333..cdf892094d1 100644
--- a/servers/display_server.cpp
+++ b/servers/display_server.cpp
@@ -605,4 +605,5 @@ DisplayServer::DisplayServer() {
 }
 
 DisplayServer::~DisplayServer() {
+	singleton = nullptr;
 }