diff --git a/src/Functions/FunctionsConversion.h b/src/Functions/FunctionsConversion.h
index 79bac2d17e88..98d28cf03a85 100644
--- a/src/Functions/FunctionsConversion.h
+++ b/src/Functions/FunctionsConversion.h
@@ -88,7 +88,6 @@ namespace ErrorCodes
     extern const int ILLEGAL_TYPE_OF_ARGUMENT;
     extern const int NOT_IMPLEMENTED;
     extern const int CANNOT_INSERT_NULL_IN_ORDINARY_COLUMN;
-    extern const int CANNOT_PARSE_BOOL;
 }
 
 
@@ -1703,19 +1702,7 @@ struct ConvertImplGenericFromString
 
                 const auto & val = col_from_string->getDataAt(i);
                 ReadBufferFromMemory read_buffer(val.data, val.size);
-                try
-                {
-                    serialization_from.deserializeWholeText(column_to, read_buffer, format_settings);
-                }
-                catch (const Exception & e)
-                {
-                    if (e.code() == ErrorCodes::CANNOT_PARSE_BOOL && typeid_cast<ColumnNullable *>(&column_to))
-                    {
-                        column_to.insertDefault();
-                        continue;
-                    }
-                    throw;
-                }
+                serialization_from.deserializeWholeText(column_to, read_buffer, format_settings);
 
                 if (!read_buffer.eof())
                 {
@@ -4174,21 +4161,15 @@ class FunctionCast final : public FunctionCastBase
             {
                 if constexpr (std::is_same_v<ToDataType, DataTypeIPv4>)
                 {
-                    ret = [cast_ipv4_ipv6_default_on_conversion_error_value,
-                           input_format_ipv4_default_on_conversion_error_value,
-                           requested_result_is_nullable](
-                              ColumnsWithTypeAndName & arguments,
-                              const DataTypePtr & result_type,
-                              const ColumnNullable * column_nullable,
-                              size_t) -> ColumnPtr
+                    ret = [cast_ipv4_ipv6_default_on_conversion_error_value, input_format_ipv4_default_on_conversion_error_value, requested_result_is_nullable](
+                                  ColumnsWithTypeAndName & arguments, const DataTypePtr & result_type, const ColumnNullable * column_nullable, size_t)
+                            -> ColumnPtr
                     {
                         if (!WhichDataType(result_type).isIPv4())
                             throw Exception(ErrorCodes::TYPE_MISMATCH, "Wrong result type {}. Expected IPv4", result_type->getName());
 
                         const auto * null_map = column_nullable ? &column_nullable->getNullMapData() : nullptr;
-                        if (requested_result_is_nullable)
-                            return convertToIPv4<IPStringToNumExceptionMode::Null>(arguments[0].column, null_map);
-                        else if (cast_ipv4_ipv6_default_on_conversion_error_value || input_format_ipv4_default_on_conversion_error_value)
+                        if (cast_ipv4_ipv6_default_on_conversion_error_value || input_format_ipv4_default_on_conversion_error_value || requested_result_is_nullable)
                             return convertToIPv4<IPStringToNumExceptionMode::Default>(arguments[0].column, null_map);
                         else
                             return convertToIPv4<IPStringToNumExceptionMode::Throw>(arguments[0].column, null_map);
@@ -4199,22 +4180,16 @@ class FunctionCast final : public FunctionCastBase
 
                 if constexpr (std::is_same_v<ToDataType, DataTypeIPv6>)
                 {
-                    ret = [cast_ipv4_ipv6_default_on_conversion_error_value,
-                           input_format_ipv6_default_on_conversion_error_value,
-                           requested_result_is_nullable](
-                              ColumnsWithTypeAndName & arguments,
-                              const DataTypePtr & result_type,
-                              const ColumnNullable * column_nullable,
-                              size_t) -> ColumnPtr
+                    ret = [cast_ipv4_ipv6_default_on_conversion_error_value, input_format_ipv6_default_on_conversion_error_value, requested_result_is_nullable](
+                                  ColumnsWithTypeAndName & arguments, const DataTypePtr & result_type, const ColumnNullable * column_nullable, size_t)
+                            -> ColumnPtr
                     {
                         if (!WhichDataType(result_type).isIPv6())
                             throw Exception(
                                 ErrorCodes::TYPE_MISMATCH, "Wrong result type {}. Expected IPv6", result_type->getName());
 
                         const auto * null_map = column_nullable ? &column_nullable->getNullMapData() : nullptr;
-                        if (requested_result_is_nullable)
-                            return convertToIPv6<IPStringToNumExceptionMode::Null>(arguments[0].column, null_map);
-                        else if (cast_ipv4_ipv6_default_on_conversion_error_value || input_format_ipv6_default_on_conversion_error_value)
+                        if (cast_ipv4_ipv6_default_on_conversion_error_value || input_format_ipv6_default_on_conversion_error_value || requested_result_is_nullable)
                             return convertToIPv6<IPStringToNumExceptionMode::Default>(arguments[0].column, null_map);
                         else
                             return convertToIPv6<IPStringToNumExceptionMode::Throw>(arguments[0].column, null_map);
@@ -4225,18 +4200,7 @@ class FunctionCast final : public FunctionCastBase
 
                 if (to_type->getCustomSerialization() && to_type->getCustomName())
                 {
-                    ret = [requested_result_is_nullable](
-                              ColumnsWithTypeAndName & arguments,
-                              const DataTypePtr & result_type,
-                              const ColumnNullable * column_nullable,
-                              size_t input_rows_count) -> ColumnPtr
-                    {
-                        auto wrapped_result_type = result_type;
-                        if (requested_result_is_nullable)
-                            wrapped_result_type = makeNullable(result_type);
-                        return ConvertImplGenericFromString<typename FromDataType::ColumnType>::execute(
-                            arguments, wrapped_result_type, column_nullable, input_rows_count);
-                    };
+                    ret = &ConvertImplGenericFromString<typename FromDataType::ColumnType>::execute;
                     return true;
                 }
             }
@@ -4251,9 +4215,7 @@ class FunctionCast final : public FunctionCastBase
                             ErrorCodes::TYPE_MISMATCH, "Wrong result type {}. Expected IPv4", result_type->getName());
 
                     const auto * null_map = column_nullable ? &column_nullable->getNullMapData() : nullptr;
-                    if (requested_result_is_nullable)
-                        return convertIPv6ToIPv4<IPStringToNumExceptionMode::Null>(arguments[0].column, null_map);
-                    else if (cast_ipv4_ipv6_default_on_conversion_error_value)
+                    if (cast_ipv4_ipv6_default_on_conversion_error_value || requested_result_is_nullable)
                         return convertIPv6ToIPv4<IPStringToNumExceptionMode::Default>(arguments[0].column, null_map);
                     else
                         return convertIPv6ToIPv4<IPStringToNumExceptionMode::Throw>(arguments[0].column, null_map);
diff --git a/tests/queries/0_stateless/01556_accurate_cast_or_null.reference b/tests/queries/0_stateless/01556_accurate_cast_or_null.reference
index 296b0b553f4d..31a9c37421e8 100644
--- a/tests/queries/0_stateless/01556_accurate_cast_or_null.reference
+++ b/tests/queries/0_stateless/01556_accurate_cast_or_null.reference
@@ -42,8 +42,3 @@
 2023-05-30
 2149-06-06
 1970-01-20
-Tests for issue #38585
-\N
-\N
-\N
-\N
diff --git a/tests/queries/0_stateless/01556_accurate_cast_or_null.sql b/tests/queries/0_stateless/01556_accurate_cast_or_null.sql
index 5d580a8f32fd..f00f6ef837ff 100644
--- a/tests/queries/0_stateless/01556_accurate_cast_or_null.sql
+++ b/tests/queries/0_stateless/01556_accurate_cast_or_null.sql
@@ -49,10 +49,3 @@ SELECT accurateCastOrNull('1xxx', 'Date');
 SELECT accurateCastOrNull('2023-05-30', 'Date');
 SELECT accurateCastOrNull('2180-01-01', 'Date');
 SELECT accurateCastOrNull(19, 'Date');
-
-SELECT 'Tests for issue #38585';
-select accurateCastOrNull('test', 'Bool');
-select accurateCast('test', 'Nullable(Bool)');
-
-select accurateCastOrNull('test', 'IPv4');
-select accurateCastOrNull('test', 'IPv6');
diff --git a/tests/queries/0_stateless/02303_cast_nullable_to_custom_types.reference b/tests/queries/0_stateless/02303_cast_nullable_to_custom_types.reference
index 08ade20ed1dc..159ee805f265 100644
--- a/tests/queries/0_stateless/02303_cast_nullable_to_custom_types.reference
+++ b/tests/queries/0_stateless/02303_cast_nullable_to_custom_types.reference
@@ -17,7 +17,7 @@ true
 \N
 0.0.0.0
 \N
-\N
+0.0.0.0
 \N
 \N
 \N
@@ -25,7 +25,7 @@ true
 \N
 ::
 \N
-\N
+::
 \N
 \N
 \N