diff --git a/server/gameserver/navmeshhelper.cc b/server/gameserver/navmeshhelper.cc
index 9b1c8fa..b2f03e3 100644
--- a/server/gameserver/navmeshhelper.cc
+++ b/server/gameserver/navmeshhelper.cc
@@ -107,3 +107,41 @@ void NavMeshHelper::OutputObjFile(MapInstance* map_instance)
         fclose(fp);
     }
 }
+
+static bool checkOverlapRect(const float amin[2], const float amax[2],
+                             const float bmin[2], const float bmax[2])
+{
+    bool overlap = true;
+    overlap = (amin[0] > bmax[0] || amax[0] < bmin[0]) ? false : overlap;
+    overlap = (amin[1] > bmax[1] || amax[1] < bmin[1]) ? false : overlap;
+    return overlap;
+}
+
+int rcGetChunksOverlappingRect(const rcChunkyTriMesh* cm,
+                               float bmin[2], float bmax[2],
+                               int* ids, const int maxIds)
+{
+    // Traverse tree
+    int i = 0;
+    int n = 0;
+    while (i < cm->nnodes) {
+        const rcChunkyTriMeshNode* node = &cm->nodes[i];
+        const bool overlap = checkOverlapRect(bmin, bmax, node->bmin, node->bmax);
+        const bool isLeafNode = node->i >= 0;
+
+        if (isLeafNode && overlap) {
+            if (n < maxIds) {
+                ids[n] = i;
+                n++;
+            }
+        }
+
+        if (overlap || isLeafNode)
+            i++;
+        else {
+            const int escapeIndex = -node->i;
+            i += escapeIndex;
+        }
+    }
+    return n;
+}
diff --git a/server/gameserver/navmeshhelper.h b/server/gameserver/navmeshhelper.h
index 5c78b33..6900102 100644
--- a/server/gameserver/navmeshhelper.h
+++ b/server/gameserver/navmeshhelper.h
@@ -74,43 +74,9 @@ struct ConvexVolume
     rcAreaModification areaMod;
 };
 
-inline bool checkOverlapRect(const float amin[2], const float amax[2],
-                             const float bmin[2], const float bmax[2])
-{
-    bool overlap = true;
-    overlap = (amin[0] > bmax[0] || amax[0] < bmin[0]) ? false : overlap;
-    overlap = (amin[1] > bmax[1] || amax[1] < bmin[1]) ? false : overlap;
-    return overlap;
-}
-
-inline int rcGetChunksOverlappingRect(const rcChunkyTriMesh* cm,
+int rcGetChunksOverlappingRect(const rcChunkyTriMesh* cm,
                                float bmin[2], float bmax[2],
-                               int* ids, const int maxIds)
-{
-    // Traverse tree
-    int i = 0;
-    int n = 0;
-    while (i < cm->nnodes) {
-        const rcChunkyTriMeshNode* node = &cm->nodes[i];
-        const bool overlap = checkOverlapRect(bmin, bmax, node->bmin, node->bmax);
-        const bool isLeafNode = node->i >= 0;
-
-        if (isLeafNode && overlap) {
-            if (n < maxIds) {
-                ids[n] = i;
-                n++;
-            }
-        }
-
-        if (overlap || isLeafNode)
-            i++;
-        else {
-            const int escapeIndex = -node->i;
-            i += escapeIndex;
-        }
-    }
-    return n;
-}
+                               int* ids, const int maxIds);
 
 struct RasterizationContext
 {