diff --git a/pynyaata/models.py b/pynyaata/models.py
index 4e19641..fbaa87f 100644
--- a/pynyaata/models.py
+++ b/pynyaata/models.py
@@ -3,11 +3,8 @@ from .config import db
 
 class AnimeFolder(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    name = db.Column(db.String(
-        length=100,
-        collation='utf8mb4_general_ci'
-    ), unique=True, nullable=False)
-    path = db.Column(db.String(length=100, collation='utf8mb4_general_ci'))
+    name = db.Column(db.String(length=100), unique=True, nullable=False)
+    path = db.Column(db.String(length=100))
     titles = db.relationship(
         "AnimeTitle",
         backref="folder",
@@ -17,13 +14,8 @@ class AnimeFolder(db.Model):
 
 class AnimeTitle(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    name = db.Column(db.String(
-        length=100,
-        collation='utf8mb4_general_ci'
-    ), unique=True, nullable=False)
-    keyword = db.Column(db.Text(
-        collation='utf8mb4_general_ci'
-    ), nullable=False)
+    name = db.Column(db.String(length=100), unique=True, nullable=False)
+    keyword = db.Column(db.Text(), nullable=False)
     folder_id = db.Column(db.Integer, db.ForeignKey('anime_folder.id'))
     links = db.relationship(
         'AnimeLink',
@@ -34,9 +26,9 @@ class AnimeTitle(db.Model):
 
 class AnimeLink(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    link = db.Column(db.Text(collation='utf8mb4_general_ci'), nullable=False)
-    season = db.Column(db.Text(collation='utf8mb4_general_ci'), nullable=False)
-    comment = db.Column(db.Text(collation='utf8mb4_general_ci'))
+    link = db.Column(db.Text(), nullable=False)
+    season = db.Column(db.Text(), nullable=False)
+    comment = db.Column(db.Text())
     vf = db.Column(db.Boolean, nullable=False)
     title_id = db.Column(db.Integer, db.ForeignKey('anime_title.id'))