diff --git a/papermerge/core/models/document.py b/papermerge/core/models/document.py
index ba9897c8..8f118fde 100644
--- a/papermerge/core/models/document.py
+++ b/papermerge/core/models/document.py
@@ -33,14 +33,12 @@ class CannotUpload(Exception):
     file_name = models.CharField(
         max_length=1024,
         default='',
-        validators=[validators.safe_character_validator]
     )
 
     notes = models.TextField(
         _('Notes'),
         blank=True,
-        null=True,
-        validators=[validators.safe_character_validator]
+        null=True
     )
 
     size = models.BigIntegerField(
diff --git a/papermerge/core/models/node.py b/papermerge/core/models/node.py
index 50892470..285bcb4b 100644
--- a/papermerge/core/models/node.py
+++ b/papermerge/core/models/node.py
@@ -32,8 +32,7 @@ class BaseTreeNode(PolymorphicMPTTModel):
     )
     title = models.CharField(
         _("Title"),
-        max_length=200,
-        validators=[validators.safe_character_validator]
+        max_length=200
     )
 
     lang = models.CharField(
diff --git a/papermerge/core/models/tags.py b/papermerge/core/models/tags.py
index fab50be7..484b2455 100644
--- a/papermerge/core/models/tags.py
+++ b/papermerge/core/models/tags.py
@@ -1,8 +1,6 @@
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
-from papermerge.core import validators
-
 from taggit.models import TagBase, GenericTaggedItemBase
 from taggit.managers import TaggableManager
 
@@ -82,8 +80,7 @@ class Tag(TagBase):
     name = models.CharField(
         verbose_name=_("name"),
         unique=False,
-        max_length=100,
-        validators=[validators.safe_character_validator]
+        max_length=100
     )
 
     class Meta: