diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4644a09b..8afcc73d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ All notable changes to this project will be documented in this file.
 - Database schema: set Check.user to not null
 - Database schema: add uniqueness constraint to Check.code
 - Database schema: add Ping.kind field
+- Database schema: remove Ping.start and Ping.fail fields
 
 
 ## 1.4.0 - 2018-12-25
diff --git a/hc/api/migrations/0052_auto_20190104_1122.py b/hc/api/migrations/0052_auto_20190104_1122.py
new file mode 100644
index 00000000..0847e7a6
--- /dev/null
+++ b/hc/api/migrations/0052_auto_20190104_1122.py
@@ -0,0 +1,21 @@
+# Generated by Django 2.1.4 on 2019-01-04 11:22
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0051_auto_20190104_0908'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='ping',
+            name='fail',
+        ),
+        migrations.RemoveField(
+            model_name='ping',
+            name='start',
+        ),
+    ]
diff --git a/hc/api/models.py b/hc/api/models.py
index f814fe78..3a2185a0 100644
--- a/hc/api/models.py
+++ b/hc/api/models.py
@@ -248,8 +248,6 @@ class Ping(models.Model):
     owner = models.ForeignKey(Check, models.CASCADE)
     created = models.DateTimeField(auto_now_add=True)
     kind = models.CharField(max_length=6, blank=True, null=True)
-    start = models.NullBooleanField(default=False)
-    fail = models.NullBooleanField(default=False)
     scheme = models.CharField(max_length=10, default="http")
     remote_addr = models.GenericIPAddressField(blank=True, null=True)
     method = models.CharField(max_length=10, blank=True)