diff --git a/src/Functions/FunctionGenerateRandomStructure.h b/src/Functions/FunctionGenerateRandomStructure.h
deleted file mode 100644
index 1d1bcb1a0a8..00000000000
--- a/src/Functions/FunctionGenerateRandomStructure.h
+++ /dev/null
@@ -1,45 +0,0 @@
-#include <Functions/IFunction.h>
-#include <Interpreters/Context.h>
-
-#include <pcg_random.hpp>
-
-namespace DB
-{
-
-class FunctionGenerateRandomStructure : public IFunction
-{
-public:
-    static constexpr auto name = "generateRandomStructure";
-
-    explicit FunctionGenerateRandomStructure(bool allow_suspicious_lc_types_) : allow_suspicious_lc_types(allow_suspicious_lc_types_)
-    {
-    }
-
-    static FunctionPtr create(ContextPtr context)
-    {
-        return std::make_shared<FunctionGenerateRandomStructure>(context->getSettingsRef().allow_suspicious_low_cardinality_types.value);
-    }
-
-    String getName() const override { return name; }
-
-    size_t getNumberOfArguments() const override { return 0; }
-
-    bool isVariadic() const override { return true; }
-    bool isDeterministic() const override { return false; }
-    bool isDeterministicInScopeOfQuery() const override { return false; }
-    bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return false; }
-    ColumnNumbers getArgumentsThatAreAlwaysConstant() const  override { return {0, 1}; }
-    bool useDefaultImplementationForConstants() const override { return false; }
-    bool useDefaultImplementationForNulls() const override { return false; }
-
-    DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override;
-
-    ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t input_rows_count) const override;
-
-    static String generateRandomStructure(size_t seed, const ContextPtr & context);
-
-private:
-    bool allow_suspicious_lc_types;
-};
-
-}