diff --git a/scene/resources/curve.cpp b/scene/resources/curve.cpp
index 5aaa41d5186..12ee36654d1 100644
--- a/scene/resources/curve.cpp
+++ b/scene/resources/curve.cpp
@@ -30,7 +30,6 @@
 
 #include "curve.h"
 
-#include "core/core_string_names.h"
 #include "core/math/math_funcs.h"
 
 const char *Curve::SIGNAL_RANGE_CHANGED = "range_changed";
@@ -388,7 +387,7 @@ real_t Curve::sample_local_nocheck(int p_index, real_t p_local_offset) const {
 
 void Curve::mark_dirty() {
 	_baked_cache_dirty = true;
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 Array Curve::get_data() const {
@@ -775,7 +774,7 @@ Vector2 Curve2D::samplef(real_t p_findex) const {
 
 void Curve2D::mark_dirty() {
 	baked_cache_dirty = true;
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 void Curve2D::_bake_segment2d(RBMap<real_t, Vector2> &r_bake, real_t p_begin, real_t p_end, const Vector2 &p_a, const Vector2 &p_out, const Vector2 &p_b, const Vector2 &p_in, int p_depth, int p_max_depth, real_t p_tol) const {
@@ -1492,7 +1491,7 @@ Vector3 Curve3D::samplef(real_t p_findex) const {
 
 void Curve3D::mark_dirty() {
 	baked_cache_dirty = true;
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 void Curve3D::_bake_segment3d(RBMap<real_t, Vector3> &r_bake, real_t p_begin, real_t p_end, const Vector3 &p_a, const Vector3 &p_out, const Vector3 &p_b, const Vector3 &p_in, int p_depth, int p_max_depth, real_t p_tol) const {
diff --git a/scene/resources/gradient.cpp b/scene/resources/gradient.cpp
index afaeb0b52d4..2b76ffb839b 100644
--- a/scene/resources/gradient.cpp
+++ b/scene/resources/gradient.cpp
@@ -30,8 +30,6 @@
 
 #include "gradient.h"
 
-#include "core/core_string_names.h"
-
 Gradient::Gradient() {
 	//Set initial gradient transition from black to white
 	points.resize(2);
@@ -119,7 +117,7 @@ void Gradient::set_interpolation_mode(Gradient::InterpolationMode p_interp_mode)
 	}
 
 	interpolation_mode = p_interp_mode;
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 	notify_property_list_changed();
 }
 
@@ -133,7 +131,7 @@ void Gradient::set_interpolation_color_space(Gradient::ColorSpace p_color_space)
 	}
 
 	interpolation_color_space = p_color_space;
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 Gradient::ColorSpace Gradient::get_interpolation_color_space() {
@@ -146,7 +144,7 @@ void Gradient::set_offsets(const Vector<float> &p_offsets) {
 		points.write[i].offset = p_offsets[i];
 	}
 	is_sorted = false;
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 void Gradient::set_colors(const Vector<Color> &p_colors) {
@@ -157,7 +155,7 @@ void Gradient::set_colors(const Vector<Color> &p_colors) {
 	for (int i = 0; i < points.size(); i++) {
 		points.write[i].color = p_colors[i];
 	}
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 Vector<Gradient::Point> &Gradient::get_points() {
@@ -171,14 +169,14 @@ void Gradient::add_point(float p_offset, const Color &p_color) {
 	is_sorted = false;
 	points.push_back(p);
 
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 void Gradient::remove_point(int p_index) {
 	ERR_FAIL_INDEX(p_index, points.size());
 	ERR_FAIL_COND(points.size() <= 1);
 	points.remove_at(p_index);
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 void Gradient::reverse() {
@@ -188,13 +186,13 @@ void Gradient::reverse() {
 
 	is_sorted = false;
 	_update_sorting();
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 void Gradient::set_points(const Vector<Gradient::Point> &p_points) {
 	points = p_points;
 	is_sorted = false;
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 void Gradient::set_offset(int pos, const float offset) {
@@ -202,7 +200,7 @@ void Gradient::set_offset(int pos, const float offset) {
 	_update_sorting();
 	points.write[pos].offset = offset;
 	is_sorted = false;
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 float Gradient::get_offset(int pos) {
@@ -215,7 +213,7 @@ void Gradient::set_color(int pos, const Color &color) {
 	ERR_FAIL_INDEX(pos, points.size());
 	_update_sorting();
 	points.write[pos].color = color;
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 Color Gradient::get_color(int pos) {
diff --git a/scene/resources/navigation_polygon.cpp b/scene/resources/navigation_polygon.cpp
index fb499825225..8ba25790758 100644
--- a/scene/resources/navigation_polygon.cpp
+++ b/scene/resources/navigation_polygon.cpp
@@ -30,7 +30,6 @@
 
 #include "navigation_polygon.h"
 
-#include "core/core_string_names.h"
 #include "core/math/geometry_2d.h"
 #include "core/os/mutex.h"
 
@@ -320,7 +319,7 @@ void NavigationPolygon::make_polygons_from_outlines() {
 		polygons.push_back(p);
 	}
 
-	emit_signal(CoreStringNames::get_singleton()->changed);
+	emit_changed();
 }
 
 void NavigationPolygon::_bind_methods() {