diff --git a/orangecontrib/text/corpus.py b/orangecontrib/text/corpus.py
index b27f096ab..f4c80577c 100644
--- a/orangecontrib/text/corpus.py
+++ b/orangecontrib/text/corpus.py
@@ -328,6 +328,7 @@ def _rename_features(additional_names: List) -> Tuple[List, List, List]:
             self.metas.copy(),
             self.W.copy(),
             text_features=copy(self.text_features),
+            attributes=self.attributes,
         )
         c.name = self.name  # keep corpus's name
         Corpus.retain_preprocessing(self, c)
@@ -544,8 +545,6 @@ def from_table(cls, domain, source, row_indices=...):
         c = super().from_table(domain, source, row_indices)
         c._setup_corpus()
         Corpus.retain_preprocessing(source, c, row_indices)
-        # temp fix: remove when oldest Orange >= 3.34
-        c.attributes = deepcopy(c.attributes)
         return c
 
     @classmethod
@@ -587,8 +586,6 @@ def from_table_rows(cls, source, row_indices):
         if hasattr(source, "_titles"):
             # covering case when from_table_rows called by from_table
             c._titles = source._titles[row_indices]
-        # temp fix: remove when oldest Orange >= 3.34
-        c.attributes = deepcopy(c.attributes)
         return c
 
     @classmethod
@@ -647,7 +644,6 @@ def retain_preprocessing(orig, new, key=...):
 
             new._titles = orig._titles[key]
             new.ngram_range = orig.ngram_range
-            new.attributes = orig.attributes
             new.used_preprocessor = orig.used_preprocessor
         else:  # orig is not Corpus
             new._set_unique_titles()
diff --git a/orangecontrib/text/tests/test_corpus.py b/orangecontrib/text/tests/test_corpus.py
index ac9b6e7cf..42a82df92 100644
--- a/orangecontrib/text/tests/test_corpus.py
+++ b/orangecontrib/text/tests/test_corpus.py
@@ -671,20 +671,6 @@ def test_language_copied(self):
         self.assertEqual(new_corpus.language, "sl")
         self.assertEqual(corpus.language, "en")
 
-    def test_remove_attributes_copy(self):
-        """
-        Happy new year!
-
-        We added a deepcopy of attributes to from_table and from_table_rows
-        since Orange didn't copy attributes. It should be removed when oldest
-        supported Orange is 3.34 or higher.
-        When test starts to fail:
-        - remove it
-        - remove copying of attributes in from_table and from_table_rows
-        - update Orange version to >=3.34 if not done yet
-        """
-        self.assertLess(datetime.today(), datetime(2024, 1, 1))
-
     def test_language_unpickle(self):
         path = os.path.dirname(__file__)
         file = os.path.abspath(os.path.join(path, "data", "book-excerpts.pkl"))
diff --git a/orangecontrib/text/widgets/owkeywords.py b/orangecontrib/text/widgets/owkeywords.py
index c2f6b85e6..a5df964a8 100644
--- a/orangecontrib/text/widgets/owkeywords.py
+++ b/orangecontrib/text/widgets/owkeywords.py
@@ -15,6 +15,7 @@
 from Orange.widgets import gui
 from Orange.widgets.settings import DomainContextHandler, ContextSetting, \
     Setting
+from Orange.widgets.utils import enum2int
 from Orange.widgets.utils.concurrent import ConcurrentWidgetMixin, TaskState
 from Orange.widgets.utils.itemmodels import PyTableModel, TableModel
 from Orange.widgets.widget import Input, Output, OWWidget, Msg
@@ -23,7 +24,6 @@
 from orangecontrib.text.keywords import ScoringMethods, AggregationMethods, \
     YAKE_LANGUAGE_MAPPING, RAKE_LANGUAGES
 from orangecontrib.text.preprocess import BaseNormalizer
-from orangecontrib.text.widgets.utils import enum2int
 from orangecontrib.text.widgets.utils.words import create_words_table, \
     WORDS_COLUMN_NAME
 
diff --git a/orangecontrib/text/widgets/owscoredocuments.py b/orangecontrib/text/widgets/owscoredocuments.py
index 649a6d2bb..9637ba2ca 100644
--- a/orangecontrib/text/widgets/owscoredocuments.py
+++ b/orangecontrib/text/widgets/owscoredocuments.py
@@ -24,6 +24,7 @@
 from Orange.data.util import get_unique_names
 from Orange.util import wrap_callback
 from Orange.widgets.settings import ContextSetting, PerfectDomainContextHandler, Setting
+from Orange.widgets.utils import enum2int
 from Orange.widgets.utils.annotated_data import create_annotated_table, add_columns
 from Orange.widgets.utils.concurrent import ConcurrentWidgetMixin, TaskState
 from Orange.widgets.utils.itemmodels import PyTableModel, TableModel
@@ -36,7 +37,6 @@
 from orangecontrib.text import Corpus
 from orangecontrib.text.preprocess import BaseNormalizer, NGrams, BaseTokenFilter
 from orangecontrib.text.vectorization.sbert import SBERT
-from orangecontrib.text.widgets.utils import enum2int
 
 from orangecontrib.text.widgets.utils.words import create_words_table
 
diff --git a/orangecontrib/text/widgets/utils/__init__.py b/orangecontrib/text/widgets/utils/__init__.py
index eba92aea3..c7b2a6b05 100644
--- a/orangecontrib/text/widgets/utils/__init__.py
+++ b/orangecontrib/text/widgets/utils/__init__.py
@@ -1,24 +1,3 @@
-from enum import IntEnum, Enum
-from typing import Union
-
 from .decorators import *
 from .widgets import *
 from .concurrent import asynchronous
-
-
-def enum2int(enum: Union[Enum, IntEnum]) -> int:
-    """
-    PyQt5 uses IntEnum like object for settings, for example SortOrder while
-    PyQt6 uses Enum. PyQt5's IntEnum also does not support value attribute.
-    This function transform both settings objects to int.
-
-    Parameters
-    ----------
-    enum
-        IntEnum like object or Enum object with Qt's settings
-
-    Returns
-    -------
-    Settings transformed to int
-    """
-    return int(enum) if isinstance(enum, int) else enum.value
diff --git a/orangecontrib/text/widgets/utils/tests/test_utils.py b/orangecontrib/text/widgets/utils/tests/test_utils.py
deleted file mode 100644
index 90f100a5b..000000000
--- a/orangecontrib/text/widgets/utils/tests/test_utils.py
+++ /dev/null
@@ -1,18 +0,0 @@
-import unittest
-from datetime import datetime
-
-
-class TestEnum2Int(unittest.TestCase):
-    def test_remove_enum2int(self):
-        """
-        Happy new year 2024. When this test start to fail:
-        - remove enum2int from orangecontrib.text.widgets.utils.__init__
-        - change imports to Orange's enum2int in widget that use it
-        - remove this test
-        - depend orange3-text on orange 3.35
-        """
-        self.assertLess(datetime.today(), datetime(2024, 1, 1))
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/requirements.txt b/requirements.txt
index ccdc4fa48..36c489f1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ lemmagen3
 nltk>=3.0.5     # TweetTokenizer introduced in 3.0.5
 numpy
 odfpy>=1.3.5
-Orange3 >=3.34.0
+Orange3 >=3.35.0
 orange-widget-base >=4.20.0
 orange-canvas-core
 owlready2
diff --git a/tox.ini b/tox.ini
index df23983de..1dc69c880 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,8 +24,8 @@ setenv =
 deps =
     {env:PYQT_PYPI_NAME:PyQt5}=={env:PYQT_PYPI_VERSION:5.15.*}
     {env:WEBENGINE_PYPI_NAME:PyQtWebEngine}=={env:WEBENGINE_PYPI_VERSION:5.15.*}
-    oldest: scikit-learn==1.0.1
-    oldest: orange3==3.34.0
+    oldest: scikit-learn==1.1.0
+    oldest: orange3==3.35.0
     oldest: orange-canvas-core==0.1.30
     oldest: orange-widget-base==4.20.0
     oldest: pandas==1.4.0