diff --git a/mo/csv.py b/mo/csv.py
index 1a5d516518b2295da7efe74d0f90b9678e234ef9..39051bcd517139d796e915a8c9991a0d448f841d 100644
--- a/mo/csv.py
+++ b/mo/csv.py
@@ -95,13 +95,6 @@ class MissingHeaderError(RuntimeError):
     pass
 
 
-class UnknownColumnError(RuntimeError):
-    def __init__(self, unknown_name: str, expected_name: str):
-        self.message = (
-            "Neznámý sloupec '{}', měli jste na mysli '{}'?".format(
-                unknown_name, expected_name))
-
-
 def write(file: IO, fmt: FileFormat, row_class: Type[Row], rows: Sequence[Row]):
     writer = csv.writer(file, dialect=fmt.get_dialect())
 
diff --git a/mo/imports.py b/mo/imports.py
index 8993a7f8c3511933e5926c83859903c56480adf1..b89ae901fd266dc0c5bb197a74f0f417cda0a377 100644
--- a/mo/imports.py
+++ b/mo/imports.py
@@ -7,7 +7,7 @@ from sqlalchemy.orm import joinedload, Query
 from typing import List, Optional, Any, Dict, Type, Union
 
 import mo.csv
-from mo.csv import FileFormat, MissingHeaderError, UnknownColumnError
+from mo.csv import FileFormat, MissingHeaderError
 import mo.db as db
 import mo.rights
 import mo.users
@@ -388,8 +388,6 @@ class Import:
                     self.warnings += warnings
                 except MissingHeaderError:
                     return self.error('Souboru chybí první řádek s názvy sloupců')
-                except UnknownColumnError as e:
-                    return self.error(e.message)
         except UnicodeDecodeError:
             return self.error(f'Soubor není v kódování {self.fmt.get_charset()}')
         except Exception as e: