diff --git a/doc/base/classes.xml b/doc/base/classes.xml
index 08f72f21f99..dd47436705f 100644
--- a/doc/base/classes.xml
+++ b/doc/base/classes.xml
@@ -43252,10 +43252,10 @@
 			</return>
 			<argument index="0" name="object" type="Object">
 			</argument>
-			<argument index="1" name="key" type="String" default="&quot;&quot;">
+			<argument index="1" name="key" type="String">
 			</argument>
 			<description>
-				Stop animating and completely remove a tween, given its object and property/method pair. Passing empty String as key will remove all tweens for given object.
+				Stop animating and completely remove a tween, given its object and property/method pair.
 			</description>
 		</method>
 		<method name="remove_all">
@@ -43270,10 +43270,10 @@
 			</return>
 			<argument index="0" name="object" type="Object">
 			</argument>
-			<argument index="1" name="key" type="String" default="&quot;&quot;">
+			<argument index="1" name="key" type="String">
 			</argument>
 			<description>
-				Resets a tween to the initial value (the one given, not the one before the tween), given its object and property/method pair. Passing empty String as key will reset all tweens for given object.
+				Resets a tween to the initial value (the one given, not the one before the tween), given its object and property/method pair.
 			</description>
 		</method>
 		<method name="reset_all">
@@ -43288,10 +43288,10 @@
 			</return>
 			<argument index="0" name="object" type="Object">
 			</argument>
-			<argument index="1" name="key" type="String" default="&quot;&quot;">
+			<argument index="1" name="key" type="String">
 			</argument>
 			<description>
-				Continue animating a stopped tween, given its object and property/method pair. Passing empty String as key will resume all tweens for given object.
+				Continue animating a stopped tween, given its object and property/method pair.
 			</description>
 		</method>
 		<method name="resume_all">
@@ -43350,10 +43350,10 @@
 			</return>
 			<argument index="0" name="object" type="Object">
 			</argument>
-			<argument index="1" name="key" type="String" default="&quot;&quot;">
+			<argument index="1" name="key" type="String">
 			</argument>
 			<description>
-				Stop animating a tween, given its object and property/method pair. Passing empty String as key will stop all tweens for given object.
+				Stop animating a tween, given its object and property/method pair.
 			</description>
 		</method>
 		<method name="stop_all">
diff --git a/scene/animation/tween.cpp b/scene/animation/tween.cpp
index 156f4956bb0..adc8f9c8cfc 100644
--- a/scene/animation/tween.cpp
+++ b/scene/animation/tween.cpp
@@ -199,13 +199,13 @@ void Tween::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("get_tween_process_mode"),&Tween::get_tween_process_mode);
 
 	ObjectTypeDB::bind_method(_MD("start"),&Tween::start );
-	ObjectTypeDB::bind_method(_MD("reset","object","key"),&Tween::reset, DEFVAL("") );
+	ObjectTypeDB::bind_method(_MD("reset","object","key"),&Tween::reset );
 	ObjectTypeDB::bind_method(_MD("reset_all"),&Tween::reset_all );
-	ObjectTypeDB::bind_method(_MD("stop","object","key"),&Tween::stop, DEFVAL("") );
+	ObjectTypeDB::bind_method(_MD("stop","object","key"),&Tween::stop );
 	ObjectTypeDB::bind_method(_MD("stop_all"),&Tween::stop_all );
-	ObjectTypeDB::bind_method(_MD("resume","object","key"),&Tween::resume, DEFVAL("") );
+	ObjectTypeDB::bind_method(_MD("resume","object","key"),&Tween::resume );
 	ObjectTypeDB::bind_method(_MD("resume_all"),&Tween::resume_all );
-	ObjectTypeDB::bind_method(_MD("remove","object","key"),&Tween::remove, DEFVAL("") );
+	ObjectTypeDB::bind_method(_MD("remove","object","key"),&Tween::remove );
 	ObjectTypeDB::bind_method(_MD("remove_all"),&Tween::remove_all );
 	ObjectTypeDB::bind_method(_MD("seek","time"),&Tween::seek );
 	ObjectTypeDB::bind_method(_MD("tell"),&Tween::tell );
@@ -723,7 +723,7 @@ bool Tween::reset(Object *p_object, String p_key) {
 		if(object == NULL)
 			continue;
 
-		if(object == p_object && (data.key == p_key || p_key == "")) {
+		if(object == p_object && data.key == p_key) {
 
 			data.elapsed = 0;
 			data.finish = false;
@@ -759,7 +759,7 @@ bool Tween::stop(Object *p_object, String p_key) {
 		Object *object = ObjectDB::get_instance(data.id);
 		if(object == NULL)
 			continue;
-		if(object == p_object && (data.key == p_key || p_key == ""))
+		if(object == p_object && data.key == p_key)
 			data.active = false;
 	}
 	pending_update --;
@@ -793,7 +793,7 @@ bool Tween::resume(Object *p_object, String p_key) {
 		Object *object = ObjectDB::get_instance(data.id);
 		if(object == NULL)
 			continue;
-		if(object == p_object && (data.key == p_key || p_key == ""))
+		if(object == p_object && data.key == p_key)
 			data.active = true;
 	}
 	pending_update --;
@@ -821,20 +821,17 @@ bool Tween::remove(Object *p_object, String p_key) {
 		call_deferred("remove", p_object, p_key);
 		return true;
 	}
-	List<List<InterpolateData>::Element *> for_removal;
 	for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
 
 		InterpolateData& data = E->get();
 		Object *object = ObjectDB::get_instance(data.id);
 		if(object == NULL)
 			continue;
-		if(object == p_object && (data.key == p_key || p_key == "")) {
-			for_removal.push_back(E);
+		if(object == p_object && data.key == p_key) {
+			interpolates.erase(E);
+			return true;
 		}
 	}
-	for(List<List<InterpolateData>::Element *>::Element *E=for_removal.front();E;E=E->next()) {
-		interpolates.erase(E->get());
-	}
 	return true;
 }