diff --git a/src/ai/composite/goal.cpp b/src/ai/composite/goal.cpp
index 329f5efa28a5..5da4662fb692 100644
--- a/src/ai/composite/goal.cpp
+++ b/src/ai/composite/goal.cpp
@@ -262,11 +262,7 @@ void protect_goal::add_targets(std::back_insert_iterator< std::vector< target >
 {
 	std::string goal_type;
 	if (protect_unit_) {
-		if (protect_only_own_unit_) {
-			goal_type = "protect_my_unit";
-		} else {
-			goal_type = "protect_unit";
-		}
+		goal_type = "protect_unit";
 	} else {
 		goal_type ="protect_location";
 	}
@@ -291,9 +287,6 @@ void protect_goal::add_targets(std::back_insert_iterator< std::vector< target >
 		const unit_filter ufilt(vconfig(criteria), resources::filter_con);
 		BOOST_FOREACH(const unit &u, units)
 		{
-			if (protect_only_own_unit_ && u.side() != get_side()) {
-				continue;
-			}
 			//TODO: we will protect hidden units, by not testing for invisibility to current side
 			if (ufilt(u)) {
 				DBG_AI_GOAL << "side " << get_side() << ": in " << goal_type << ": " << u.get_location() << " should be protected\n";
@@ -325,17 +318,13 @@ void protect_goal::add_targets(std::back_insert_iterator< std::vector< target >
 }
 
 
-protect_goal::protect_goal(readonly_context &context, const config &cfg, bool protect_only_own_unit, bool protect_unit)
+protect_goal::protect_goal(readonly_context &context, const config &cfg, bool protect_unit)
 	: goal(context,cfg)
 	, filter_ptr_()
-	, protect_only_own_unit_(protect_only_own_unit)
 	, protect_unit_(protect_unit)
 	, radius_(20) //this default radius is taken from old code
 	, value_(1.0) //this default value taken from old code
 {
-	if(protect_only_own_unit_) {
-		lg::wml_error() << deprecate_wml_key_warning("protect_my_unit", "1.13.0") << "\n";
-	}
 }
 
 lua_goal::lua_goal(readonly_context &context, const config &cfg)
diff --git a/src/ai/composite/goal.hpp b/src/ai/composite/goal.hpp
index 57feed936d7a..7964011c1bbc 100644
--- a/src/ai/composite/goal.hpp
+++ b/src/ai/composite/goal.hpp
@@ -127,7 +127,7 @@ class target_location_goal : public goal {
 
 class protect_goal : public goal {
 public:
-	protect_goal(readonly_context &context, const config &cfg, bool protect_only_own_unit, bool protect_unit);
+	protect_goal(readonly_context &context, const config &cfg, bool protect_unit);
 
 
 	virtual void add_targets(std::back_insert_iterator< std::vector< target > > target_list);
@@ -143,7 +143,6 @@ class protect_goal : public goal {
 	}
 
 	boost::shared_ptr<terrain_filter> filter_ptr_;
-	bool protect_only_own_unit_;
 	bool protect_unit_;
 	int radius_;
 	double value_;
@@ -153,7 +152,7 @@ class protect_goal : public goal {
 class protect_location_goal : public protect_goal {
 public:
 	protect_location_goal(readonly_context &context, const config &cfg)
-	: protect_goal(context,cfg,false,false)
+	: protect_goal(context,cfg,false)
 	{
 	}
 };
@@ -162,16 +161,7 @@ class protect_location_goal : public protect_goal {
 class protect_unit_goal : public protect_goal {
 public:
 	protect_unit_goal(readonly_context &context, const config &cfg)
-	: protect_goal(context,cfg,false,true)
-	{
-	}
-};
-
-
-class protect_my_unit_goal : public protect_goal {
-public:
-	protect_my_unit_goal(readonly_context &context, const config &cfg)
-	: protect_goal(context,cfg,true,true)
+	: protect_goal(context,cfg,true)
 	{
 	}
 };
diff --git a/src/ai/registry.cpp b/src/ai/registry.cpp
index 2da48282d5a0..ebfea9a4c882 100644
--- a/src/ai/registry.cpp
+++ b/src/ai/registry.cpp
@@ -230,10 +230,6 @@ static register_goal_factory<protect_location_goal>
 	goal_factory_protect_location("protect_location");
 
 
-static register_goal_factory<protect_my_unit_goal>
-	goal_factory_protect_my_unit("protect_my_unit");
-
-
 static register_goal_factory<protect_unit_goal>
 	goal_factory_protect_unit("protect_unit");