diff --git a/InvenTree/build/models.py b/InvenTree/build/models.py
index 711ba3c6a8..d13919c24e 100644
--- a/InvenTree/build/models.py
+++ b/InvenTree/build/models.py
@@ -9,7 +9,7 @@ from django.utils.translation import ugettext as _
 from django.core.exceptions import ValidationError
 
 from django.urls import reverse
-from django.db import models
+from django.db import models, transaction
 from django.core.validators import MinValueValidator
 
 from stock.models import StockItem
@@ -94,13 +94,11 @@ class Build(models.Model):
     
     # Build status codes
     PENDING = 10  # Build is pending / active
-    HOLDING = 20  # Build is currently being held
     CANCELLED = 30  # Build was cancelled
     COMPLETE = 40  # Build is complete
 
     #: Build status codes
     BUILD_STATUS_CODES = {PENDING: _("Pending"),
-                          HOLDING: _("Holding"),
                           CANCELLED: _("Cancelled"),
                           COMPLETE: _("Complete"),
                           }
@@ -121,13 +119,23 @@ class Build(models.Model):
     notes = models.TextField(blank=True)
     """ Notes attached to each build output """
 
+    @transaction.atomic
     def cancelBuild(self):
         """ Mark the Build as CANCELLED
 
         - Delete any pending BuildItem objects (but do not remove items from stock)
+        - Set build status to CANCELLED
+        - Save the Build object
         """
+
+        for item in BuildItem.objects.filter(build=self.id):
+            item.delete()
+
+        self.status = self.CANCELLED
+        self.save()
         print("cancelled!")
 
+    @transaction.atomic
     def completeBuild(self):
         """ Mark the Build as COMPLETE
 
@@ -172,7 +180,6 @@ class Build(models.Model):
 
         return self.status in [
             self.PENDING,
-            self.HOLDING
         ]
 
     @property
@@ -232,6 +239,7 @@ class BuildItem(models.Model):
         Build,
         on_delete=models.CASCADE,
         related_name='allocated_stock',
+        help_text='Build to allocate parts'
     )
 
     stock_item = models.ForeignKey(
diff --git a/InvenTree/build/serializers.py b/InvenTree/build/serializers.py
index ed4d3b7b55..947f3f6dc1 100644
--- a/InvenTree/build/serializers.py
+++ b/InvenTree/build/serializers.py
@@ -32,6 +32,13 @@ class BuildSerializer(InvenTreeModelSerializer):
             'status_text',
             'notes']
 
+        read_only_fields = [
+            'status',
+            'creation_date',
+            'completion_data',
+            'status_text',
+        ]
+
 
 class BuildItemSerializer(InvenTreeModelSerializer):
     """ Serializes a BuildItem object """
diff --git a/InvenTree/build/views.py b/InvenTree/build/views.py
index 403f0aa4c5..ebc5372596 100644
--- a/InvenTree/build/views.py
+++ b/InvenTree/build/views.py
@@ -64,7 +64,7 @@ class BuildCancel(AjaxView):
     def get_data(self):
         """ Provide JSON context data. """
         return {
-            'info': 'Build was cancelled'
+            'danger': 'Build was cancelled'
         }