diff --git a/scene/gui/color_ramp_edit.cpp b/scene/gui/color_ramp_edit.cpp
index 50e1ffbec91..b7347f00dcf 100644
--- a/scene/gui/color_ramp_edit.cpp
+++ b/scene/gui/color_ramp_edit.cpp
@@ -271,7 +271,9 @@ void ColorRampEdit::_input_event(const InputEvent& p_event) {
 void ColorRampEdit::_notification(int p_what) {
 
 	if (p_what==NOTIFICATION_ENTER_TREE) {
-		picker->connect("color_changed",this,"_color_changed");
+		if (!picker->is_connected("color_changed",this,"_color_changed")) {
+			picker->connect("color_changed",this,"_color_changed");
+		}
 	}
 	if (p_what==NOTIFICATION_DRAW) {
 
diff --git a/scene/gui/line_edit.cpp b/scene/gui/line_edit.cpp
index 16000bb55f3..c025e4c706d 100644
--- a/scene/gui/line_edit.cpp
+++ b/scene/gui/line_edit.cpp
@@ -556,7 +556,9 @@ void LineEdit::_notification(int p_what) {
 				cursor_set_blink_enabled(EDITOR_DEF("text_editor/caret_blink", false));
 				cursor_set_blink_speed(EDITOR_DEF("text_editor/caret_blink_speed", 0.65));
 
-				EditorSettings::get_singleton()->connect("settings_changed",this,"_editor_settings_changed");
+				if (!EditorSettings::get_singleton()->is_connected("settings_changed",this,"_editor_settings_changed")) {
+					EditorSettings::get_singleton()->connect("settings_changed",this,"_editor_settings_changed");
+				}
 			}
 		} break;
 #endif
diff --git a/tools/editor/editor_dir_dialog.cpp b/tools/editor/editor_dir_dialog.cpp
index a6e231cf186..8900cef7b99 100644
--- a/tools/editor/editor_dir_dialog.cpp
+++ b/tools/editor/editor_dir_dialog.cpp
@@ -99,8 +99,14 @@ void EditorDirDialog::_notification(int p_what) {
 
 	if (p_what==NOTIFICATION_ENTER_TREE) {
 		reload();
-		tree->connect("item_collapsed",this,"_item_collapsed",varray(),CONNECT_DEFERRED);
-		EditorFileSystem::get_singleton()->connect("filesystem_changed",this,"reload");
+
+		if (!tree->is_connected("item_collapsed",this,"_item_collapsed")) {
+			tree->connect("item_collapsed",this,"_item_collapsed",varray(),CONNECT_DEFERRED);
+		}
+
+		if (!EditorFileSystem::get_singleton()->is_connected("filesystem_changed",this,"reload")) {
+			EditorFileSystem::get_singleton()->connect("filesystem_changed",this,"reload");
+		}
 
 	}
 
diff --git a/tools/editor/plugins/shader_graph_editor_plugin.cpp b/tools/editor/plugins/shader_graph_editor_plugin.cpp
index d567c8e9b35..dea2fe4833c 100644
--- a/tools/editor/plugins/shader_graph_editor_plugin.cpp
+++ b/tools/editor/plugins/shader_graph_editor_plugin.cpp
@@ -176,7 +176,9 @@ void GraphColorRampEdit::_input_event(const InputEvent& p_event) {
 void GraphColorRampEdit::_notification(int p_what){
 
 	if (p_what==NOTIFICATION_ENTER_TREE) {
-		picker->connect("color_changed",this,"_color_changed");
+		if (!picker->is_connected("color_changed",this,"_color_changed")) {
+			picker->connect("color_changed",this,"_color_changed");
+		}
 	}
 	if (p_what==NOTIFICATION_DRAW) {