From c16711b1556ba2a9b6191b8aa344aca113130085 Mon Sep 17 00:00:00 2001
From: Andrea Catania <info@andreacatania.com>
Date: Mon, 24 Feb 2020 18:09:14 +0100
Subject: [PATCH] Fixed remove region method.

---
 modules/gdnavigation/nav_map.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/modules/gdnavigation/nav_map.cpp b/modules/gdnavigation/nav_map.cpp
index d3e2f8f3881..c3880f89b66 100644
--- a/modules/gdnavigation/nav_map.cpp
+++ b/modules/gdnavigation/nav_map.cpp
@@ -545,8 +545,11 @@ void NavMap::add_region(NavRegion *p_region) {
 }
 
 void NavMap::remove_region(NavRegion *p_region) {
-	regions.push_back(p_region);
-	regenerate_links = true;
+	std::vector<NavRegion *>::iterator it = std::find(regions.begin(), regions.end(), p_region);
+	if (it != regions.end()) {
+		regions.erase(it);
+		regenerate_links = true;
+	}
 }
 
 bool NavMap::has_agent(RvoAgent *agent) const {