diff --git a/dbms/src/Functions/PolygonUtils.h b/dbms/src/Functions/PolygonUtils.h
index 1906e94152a..5a808cd356a 100644
--- a/dbms/src/Functions/PolygonUtils.h
+++ b/dbms/src/Functions/PolygonUtils.h
@@ -86,9 +86,10 @@ public:
     using Segment = boost::geometry::model::segment<Point>;
 
     explicit PointInPolygonWithGrid(const Polygon & polygon_, UInt16 grid_size_ = 8)
-            : grid_size(std::max<UInt16>(1, grid_size_)), polygon(polygon_) {}
-
-    void init();
+        : grid_size(std::max<UInt16>(1, grid_size_)), polygon(polygon_)
+    {
+        buildGrid();
+    }
 
     /// True if bound box is empty.
     bool hasEmptyBound() const { return has_empty_bound; }
@@ -152,7 +153,6 @@ private:
     CoordinateType y_scale;
 
     bool has_empty_bound = false;
-    bool was_grid_built = false;
 
     void buildGrid();
 
@@ -201,8 +201,6 @@ public:
     explicit PointInPolygonTrivial(const Polygon & polygon_)
         : polygon(polygon_) {}
 
-    void init() {}
-
     /// True if bound box is empty.
     bool hasEmptyBound() const { return false; }
 
@@ -233,15 +231,6 @@ UInt64 PointInPolygonWithGrid<CoordinateType>::getAllocatedBytes() const
     return size;
 }
 
-template <typename CoordinateType>
-void PointInPolygonWithGrid<CoordinateType>::init()
-{
-    if (!was_grid_built)
-        buildGrid();
-
-    was_grid_built = true;
-}
-
 template <typename CoordinateType>
 void PointInPolygonWithGrid<CoordinateType>::calcGridAttributes(
         PointInPolygonWithGrid<CoordinateType>::Box & box)
@@ -542,9 +531,7 @@ public:
     using Polygon = boost::geometry::model::polygon<Point, false>;
     using Box = boost::geometry::model::box<Point>;
 
-    explicit PointInPolygon(const Polygon & polygon_) : polygon(polygon_) {}
-
-    void init()
+    explicit PointInPolygon(const Polygon & polygon_) : polygon(polygon_)
     {
         boost::geometry::envelope(polygon, box);
 
@@ -584,12 +571,8 @@ ColumnPtr pointInPolygon(const ColumnVector<T> & x, const ColumnVector<U> & y, P
 {
     auto size = x.size();
 
-    impl.init();
-
     if (impl.hasEmptyBound())
-    {
         return ColumnVector<UInt8>::create(size, 0);
-    }
 
     auto result = ColumnVector<UInt8>::create(size);
     auto & data = result->getData();
@@ -598,9 +581,7 @@ ColumnPtr pointInPolygon(const ColumnVector<T> & x, const ColumnVector<U> & y, P
     const auto & y_data = y.getData();
 
     for (auto i : ext::range(0, size))
-    {
         data[i] = static_cast<UInt8>(impl.contains(x_data[i], y_data[i]));
-    }
 
     return result;
 }
diff --git a/dbms/src/Functions/pointInPolygon.cpp b/dbms/src/Functions/pointInPolygon.cpp
index bec2fb0f9fb..287ef5f683d 100644
--- a/dbms/src/Functions/pointInPolygon.cpp
+++ b/dbms/src/Functions/pointInPolygon.cpp
@@ -55,9 +55,6 @@ ColumnPtr callPointInPolygonImplWithPool(const IColumn & x, const IColumn & y, P
     {
         auto ptr = std::make_unique<PointInPolygonImpl>(polygon);
 
-        /// To allocate memory.
-        ptr->init();
-
         ProfileEvents::increment(ProfileEvents::PolygonsAddedToPool);
         ProfileEvents::increment(ProfileEvents::PolygonsInPoolAllocatedBytes, ptr->getAllocatedBytes());