diff --git a/include/sqlpp11/data_types/blob/operand.h b/include/sqlpp11/data_types/blob/operand.h
index df0983ee..f8a407be 100644
--- a/include/sqlpp11/data_types/blob/operand.h
+++ b/include/sqlpp11/data_types/blob/operand.h
@@ -63,11 +63,6 @@ namespace sqlpp
     blob_operand& operator=(blob_operand&&) = default;
     ~blob_operand() = default;
 
-    bool _is_trivial() const
-    {
-      return _t.empty();
-    }
-
     _value_t _t;
   };
 
diff --git a/include/sqlpp11/data_types/boolean/operand.h b/include/sqlpp11/data_types/boolean/operand.h
index b211dab3..e220ca9a 100644
--- a/include/sqlpp11/data_types/boolean/operand.h
+++ b/include/sqlpp11/data_types/boolean/operand.h
@@ -59,11 +59,6 @@ namespace sqlpp
     boolean_operand& operator=(boolean_operand&&) = default;
     ~boolean_operand() = default;
 
-    bool _is_trivial() const
-    {
-      return not _t;
-    }
-
     _value_t _t;
   };
 
diff --git a/include/sqlpp11/data_types/day_point/operand.h b/include/sqlpp11/data_types/day_point/operand.h
index 28b592b6..74b9f86c 100644
--- a/include/sqlpp11/data_types/day_point/operand.h
+++ b/include/sqlpp11/data_types/day_point/operand.h
@@ -57,11 +57,6 @@ namespace sqlpp
     day_point_operand& operator=(day_point_operand&&) = default;
     ~day_point_operand() = default;
 
-    bool _is_trivial() const
-    {
-      return std::chrono::operator==(_t, _value_t{});
-    }
-
     _value_t _t;
   };
 
diff --git a/include/sqlpp11/data_types/floating_point/operand.h b/include/sqlpp11/data_types/floating_point/operand.h
index 5a375288..e756d792 100644
--- a/include/sqlpp11/data_types/floating_point/operand.h
+++ b/include/sqlpp11/data_types/floating_point/operand.h
@@ -55,11 +55,6 @@ namespace sqlpp
     floating_point_operand& operator=(floating_point_operand&&) = default;
     ~floating_point_operand() = default;
 
-    bool _is_trivial() const
-    {
-      return _t == 0;
-    }
-
     _value_t _t;
   };
 
diff --git a/include/sqlpp11/data_types/integral/operand.h b/include/sqlpp11/data_types/integral/operand.h
index 06a00e14..c858c97d 100644
--- a/include/sqlpp11/data_types/integral/operand.h
+++ b/include/sqlpp11/data_types/integral/operand.h
@@ -57,11 +57,6 @@ namespace sqlpp
     integral_operand& operator=(integral_operand&&) = default;
     ~integral_operand() = default;
 
-    bool _is_trivial() const
-    {
-      return _t == 0;
-    }
-
     _value_t _t;
   };
 
diff --git a/include/sqlpp11/data_types/text/operand.h b/include/sqlpp11/data_types/text/operand.h
index 1bf169be..3cd3b809 100644
--- a/include/sqlpp11/data_types/text/operand.h
+++ b/include/sqlpp11/data_types/text/operand.h
@@ -70,11 +70,6 @@ namespace sqlpp
     text_operand& operator=(text_operand&&) = default;
     ~text_operand() = default;
 
-    bool _is_trivial() const
-    {
-      return _t.empty();
-    }
-
     _value_t _t;
   };
 
diff --git a/include/sqlpp11/data_types/time_of_day/operand.h b/include/sqlpp11/data_types/time_of_day/operand.h
index b628b95c..6ff50c50 100644
--- a/include/sqlpp11/data_types/time_of_day/operand.h
+++ b/include/sqlpp11/data_types/time_of_day/operand.h
@@ -59,11 +59,6 @@ namespace sqlpp
     time_of_day_operand& operator=(time_of_day_operand&&) = default;
     ~time_of_day_operand() = default;
 
-    bool _is_trivial() const
-    {
-      return std::chrono::operator==(_t, _value_t{});
-    }
-
     _value_t _t;
   };
 
diff --git a/include/sqlpp11/data_types/time_point/operand.h b/include/sqlpp11/data_types/time_point/operand.h
index d3053acd..188564f5 100644
--- a/include/sqlpp11/data_types/time_point/operand.h
+++ b/include/sqlpp11/data_types/time_point/operand.h
@@ -59,11 +59,6 @@ namespace sqlpp
     time_point_operand& operator=(time_point_operand&&) = default;
     ~time_point_operand() = default;
 
-    bool _is_trivial() const
-    {
-      return std::chrono::operator==(_t, _value_t{});
-    }
-
     _value_t _t;
   };
 
diff --git a/include/sqlpp11/data_types/unsigned_integral/operand.h b/include/sqlpp11/data_types/unsigned_integral/operand.h
index 7c6037e7..333c60e4 100644
--- a/include/sqlpp11/data_types/unsigned_integral/operand.h
+++ b/include/sqlpp11/data_types/unsigned_integral/operand.h
@@ -57,11 +57,6 @@ namespace sqlpp
     unsigned_integral_operand& operator=(unsigned_integral_operand&&) = default;
     ~unsigned_integral_operand() = default;
 
-    bool _is_trivial() const
-    {
-      return _t == 0;
-    }
-
     _value_t _t;
   };
 
diff --git a/include/sqlpp11/default_value.h b/include/sqlpp11/default_value.h
index a3fe714b..264b4687 100644
--- a/include/sqlpp11/default_value.h
+++ b/include/sqlpp11/default_value.h
@@ -35,11 +35,6 @@ namespace sqlpp
   {
     using _traits = make_traits<no_value_t, tag::is_expression>;
     using _nodes = detail::type_vector<>;
-
-    static constexpr bool _is_trivial()
-    {
-      return false;
-    }
   };
 
   template <typename Context>
diff --git a/include/sqlpp11/result_field_base.h b/include/sqlpp11/result_field_base.h
index e2d72c3c..c7b990d5 100644
--- a/include/sqlpp11/result_field_base.h
+++ b/include/sqlpp11/result_field_base.h
@@ -89,16 +89,6 @@ namespace sqlpp
       return _is_null;
     }
 
-    bool _is_trivial() const
-    {
-      if (not _is_valid)
-      {
-        throw exception("accessing is_null in non-existing row");
-      }
-
-      return value() == _cpp_storage_type{};
-    }
-
     _cpp_value_type value() const
     {
       if (not _is_valid)