diff --git a/modules/navigation/pandemonium_navigation_2d_server.cpp b/modules/navigation/pandemonium_navigation_2d_server.cpp
index 7575017c1..5ca977640 100644
--- a/modules/navigation/pandemonium_navigation_2d_server.cpp
+++ b/modules/navigation/pandemonium_navigation_2d_server.cpp
@@ -252,9 +252,6 @@ real_t FORWARD_1_C(map_get_cell_size, RID, p_map, rid_to_rid);
 void FORWARD_2(map_set_use_edge_connections, RID, p_map, bool, p_enabled, rid_to_rid, bool_to_bool);
 bool FORWARD_1_C(map_get_use_edge_connections, RID, p_map, rid_to_rid);
 
-void FORWARD_2(map_set_cell_height, RID, p_map, real_t, p_cell_height, rid_to_rid, real_to_real);
-real_t FORWARD_1_C(map_get_cell_height, RID, p_map, rid_to_rid);
-
 void FORWARD_2(map_set_edge_connection_margin, RID, p_map, real_t, p_connection_margin, rid_to_rid, real_to_real);
 real_t FORWARD_1_C(map_get_edge_connection_margin, RID, p_map, rid_to_rid);
 
diff --git a/modules/navigation/pandemonium_navigation_2d_server.h b/modules/navigation/pandemonium_navigation_2d_server.h
index 02660a299..18289fd39 100644
--- a/modules/navigation/pandemonium_navigation_2d_server.h
+++ b/modules/navigation/pandemonium_navigation_2d_server.h
@@ -66,10 +66,6 @@ public:
 	virtual void map_set_use_edge_connections(RID p_map, bool p_enabled);
 	virtual bool map_get_use_edge_connections(RID p_map) const;
 
-	/// Set the map cell height used to weld the navigation mesh polygons.
-	virtual void map_set_cell_height(RID p_map, real_t p_cell_height);
-	virtual real_t map_get_cell_height(RID p_map) const;
-
 	/// Set the map edge connection margin used to weld the compatible region edges.
 	virtual void map_set_edge_connection_margin(RID p_map, real_t p_connection_margin);
 
diff --git a/modules/navigation_dummy/dummy_navigation_2d_server.h b/modules/navigation_dummy/dummy_navigation_2d_server.h
index 73037c3d2..3d3a66586 100644
--- a/modules/navigation_dummy/dummy_navigation_2d_server.h
+++ b/modules/navigation_dummy/dummy_navigation_2d_server.h
@@ -16,8 +16,6 @@ public:
 	virtual bool map_is_active(RID p_map) const { return false; }
 	virtual void map_set_cell_size(RID p_map, real_t p_cell_size) {}
 	virtual real_t map_get_cell_size(RID p_map) const { return 0; }
-	virtual void map_set_cell_height(RID p_map, real_t p_cell_height) {}
-	virtual real_t map_get_cell_height(RID p_map) const { return 0; }
 	virtual void map_set_use_edge_connections(RID p_map, bool p_enabled) {}
 	virtual bool map_get_use_edge_connections(RID p_map) const { return false; }
 	virtual void map_set_edge_connection_margin(RID p_map, real_t p_connection_margin) {}
diff --git a/scene/resources/world_2d.cpp b/scene/resources/world_2d.cpp
index 0e3c14623..c437249b4 100644
--- a/scene/resources/world_2d.cpp
+++ b/scene/resources/world_2d.cpp
@@ -382,7 +382,6 @@ World2D::World2D() {
 	navigation_map = Navigation2DServer::get_singleton()->map_create();
 	Navigation2DServer::get_singleton()->map_set_active(navigation_map, true);
 	Navigation2DServer::get_singleton()->map_set_cell_size(navigation_map, GLOBAL_DEF("navigation/2d/default_cell_size", 1.0));
-	Navigation2DServer::get_singleton()->map_set_cell_height(navigation_map, GLOBAL_DEF("navigation/2d/default_cell_height", 1.0));
 	Navigation2DServer::get_singleton()->map_set_edge_connection_margin(navigation_map, GLOBAL_DEF("navigation/2d/default_edge_connection_margin", 1.0));
 	Navigation2DServer::get_singleton()->map_set_link_connection_radius(navigation_map, GLOBAL_DEF("navigation/2d/default_link_connection_radius", 4.0));
 	Navigation2DServer::get_singleton()->map_set_use_edge_connections(navigation_map, GLOBAL_DEF("navigation/2d/use_edge_connections", true));
diff --git a/servers/navigation_2d_server.cpp b/servers/navigation_2d_server.cpp
index 40dd6eed7..9d1f85529 100644
--- a/servers/navigation_2d_server.cpp
+++ b/servers/navigation_2d_server.cpp
@@ -47,8 +47,6 @@ void Navigation2DServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("map_get_cell_size", "map"), &Navigation2DServer::map_get_cell_size);
 	ClassDB::bind_method(D_METHOD("map_set_use_edge_connections", "map", "enabled"), &Navigation2DServer::map_set_use_edge_connections);
 	ClassDB::bind_method(D_METHOD("map_get_use_edge_connections", "map"), &Navigation2DServer::map_get_use_edge_connections);
-	ClassDB::bind_method(D_METHOD("map_set_cell_height", "map", "cell_height"), &Navigation2DServer::map_set_cell_size);
-	ClassDB::bind_method(D_METHOD("map_get_cell_height", "map"), &Navigation2DServer::map_get_cell_size);
 	ClassDB::bind_method(D_METHOD("map_set_edge_connection_margin", "map", "margin"), &Navigation2DServer::map_set_edge_connection_margin);
 	ClassDB::bind_method(D_METHOD("map_get_edge_connection_margin", "map"), &Navigation2DServer::map_get_edge_connection_margin);
 	ClassDB::bind_method(D_METHOD("map_set_link_connection_radius", "map", "radius"), &Navigation2DServer::map_set_link_connection_radius);
diff --git a/servers/navigation_2d_server.h b/servers/navigation_2d_server.h
index 994b57e6d..ce1bd50f8 100644
--- a/servers/navigation_2d_server.h
+++ b/servers/navigation_2d_server.h
@@ -73,10 +73,6 @@ public:
 	virtual void map_set_use_edge_connections(RID p_map, bool p_enabled) = 0;
 	virtual bool map_get_use_edge_connections(RID p_map) const = 0;
 
-	/// Set the map cell height used to weld the navigation mesh polygons.
-	virtual void map_set_cell_height(RID p_map, real_t p_cell_height) = 0;
-	virtual real_t map_get_cell_height(RID p_map) const = 0;
-
 	/// Set the map edge connection margin used to weld the compatible region edges.
 	virtual void map_set_edge_connection_margin(RID p_map, real_t p_connection_margin) = 0;