diff --git a/apps/openmw_test_suite/detournavigator/recastmeshbuilder.cpp b/apps/openmw_test_suite/detournavigator/recastmeshbuilder.cpp
index 39e57234a3..36e0287461 100644
--- a/apps/openmw_test_suite/detournavigator/recastmeshbuilder.cpp
+++ b/apps/openmw_test_suite/detournavigator/recastmeshbuilder.cpp
@@ -48,35 +48,6 @@ namespace DetourNavigator
         };
         return tie(lhs) == tie(rhs);
     }
-
-    static inline std::ostream& operator<<(std::ostream& s, const Water& v)
-    {
-        return s << "Water {" << v.mCellSize << ", " << v.mLevel << "}";
-    }
-
-    static inline std::ostream& operator<<(std::ostream& s, const CellWater& v)
-    {
-        return s << "CellWater {" << v.mCellPosition << ", " << v.mWater << "}";
-    }
-
-    static inline std::ostream& operator<<(std::ostream& s, const FlatHeightfield& v)
-    {
-        return s << "FlatHeightfield {" << v.mCellPosition << ", " << v.mCellSize << ", " << v.mHeight << "}";
-    }
-
-    static inline std::ostream& operator<<(std::ostream& s, const Heightfield& v)
-    {
-        s << "Heightfield {.mCellPosition=" << v.mCellPosition
-          << ", .mCellSize=" << v.mCellSize
-          << ", .mLength=" << static_cast<int>(v.mLength)
-          << ", .mMinHeight=" << v.mMinHeight
-          << ", .mMaxHeight=" << v.mMaxHeight
-          << ", .mHeights={";
-        for (float h : v.mHeights)
-            s << h << ", ";
-        s << "}";
-        return s << ", .mOriginalSize=" << v.mOriginalSize << "}";
-    }
 }
 
 namespace
diff --git a/components/detournavigator/debug.hpp b/components/detournavigator/debug.hpp
index a868ac2a2e..7c86603348 100644
--- a/components/detournavigator/debug.hpp
+++ b/components/detournavigator/debug.hpp
@@ -3,6 +3,7 @@
 
 #include "tilebounds.hpp"
 #include "status.hpp"
+#include "recastmesh.hpp"
 
 #include <osg/io_utils>
 
@@ -39,6 +40,35 @@ namespace DetourNavigator
         return stream << "DetourNavigator::Error::" << static_cast<int>(value);
     }
 
+    inline std::ostream& operator<<(std::ostream& s, const Water& v)
+    {
+        return s << "Water {" << v.mCellSize << ", " << v.mLevel << "}";
+    }
+
+    inline std::ostream& operator<<(std::ostream& s, const CellWater& v)
+    {
+        return s << "CellWater {" << v.mCellPosition << ", " << v.mWater << "}";
+    }
+
+    inline std::ostream& operator<<(std::ostream& s, const FlatHeightfield& v)
+    {
+        return s << "FlatHeightfield {" << v.mCellPosition << ", " << v.mCellSize << ", " << v.mHeight << "}";
+    }
+
+    inline std::ostream& operator<<(std::ostream& s, const Heightfield& v)
+    {
+        s << "Heightfield {.mCellPosition=" << v.mCellPosition
+          << ", .mCellSize=" << v.mCellSize
+          << ", .mLength=" << static_cast<int>(v.mLength)
+          << ", .mMinHeight=" << v.mMinHeight
+          << ", .mMaxHeight=" << v.mMaxHeight
+          << ", .mHeights={";
+        for (float h : v.mHeights)
+            s << h << ", ";
+        s << "}";
+        return s << ", .mOriginalSize=" << v.mOriginalSize << "}";
+    }
+
     class RecastMesh;
     struct Settings;