diff --git a/search/house_detector.cpp b/search/house_detector.cpp
index 457a7dc4f8..2da5c91d76 100644
--- a/search/house_detector.cpp
+++ b/search/house_detector.cpp
@@ -302,6 +302,8 @@ HouseDetector::HouseDetector(Index const * pIndex)
   SetMetres2Mercator(360.0 / 40.0E06);
 }
 
+HouseDetector::~HouseDetector() { ClearCaches(); }
+
 void HouseDetector::SetMetres2Mercator(double factor)
 {
   m_metres2Mercator = factor;
diff --git a/search/house_detector.hpp b/search/house_detector.hpp
index 16f0e84c4c..6a0cd4388e 100644
--- a/search/house_detector.hpp
+++ b/search/house_detector.hpp
@@ -254,6 +254,7 @@ class HouseDetector
 
 public:
   HouseDetector(Index const * pIndex);
+  ~HouseDetector();
 
   uint32_t GetBuildingType() const;