diff --git a/src/Umbraco.Core/Models/ContentScheduleCollection.cs b/src/Umbraco.Core/Models/ContentScheduleCollection.cs
index 5f0a09285f..f1628f1645 100644
--- a/src/Umbraco.Core/Models/ContentScheduleCollection.cs
+++ b/src/Umbraco.Core/Models/ContentScheduleCollection.cs
@@ -8,7 +8,7 @@ namespace Umbraco.Core.Models
 {
     public class ContentScheduleCollection : INotifyCollectionChanged, IDeepCloneable, IEquatable<ContentScheduleCollection>
     {
-        //underlying storage for the collection backed by a sorted list so that the schedule is always in order of date
+        //underlying storage for the collection backed by a sorted list so that the schedule is always in order of date and that duplicate dates per culture are not allowed
         private readonly Dictionary<string, SortedList<DateTime, ContentSchedule>> _schedule
             = new Dictionary<string, SortedList<DateTime, ContentSchedule>>(StringComparer.InvariantCultureIgnoreCase);
 
@@ -173,13 +173,11 @@ namespace Umbraco.Core.Models
             return Enumerable.Empty<ContentSchedule>();
         }
 
-        //fixme - should this just return IEnumerable<ContentSchedule> since the culture is part of the ContentSchedule object already?
         /// <summary>
-        /// Returns all schedules for both invariant and variant cultures
+        /// Returns all schedules registered
         /// </summary>
         /// <returns></returns>
-        public IReadOnlyDictionary<string, IEnumerable<ContentSchedule>> FullSchedule => _schedule.ToDictionary(x => x.Key, x => (IEnumerable<ContentSchedule>)x.Value.Values);
-        //public IEnumerable<ContentSchedule> FullSchedule => _schedule.SelectMany(x => x.Value.Values);
+        public IReadOnlyList<ContentSchedule> FullSchedule => _schedule.SelectMany(x => x.Value.Values).ToList();
 
         public object DeepClone()
         {
@@ -203,8 +201,8 @@ namespace Umbraco.Core.Models
 
         public bool Equals(ContentScheduleCollection other)
         {
-            var thisSched = this.FullSchedule;
-            var thatSched = other.FullSchedule;
+            var thisSched = this._schedule;
+            var thatSched = other._schedule;
 
             var equal = false;
             if (thisSched.Count == thatSched.Count)
diff --git a/src/Umbraco.Core/Persistence/Factories/ContentBaseFactory.cs b/src/Umbraco.Core/Persistence/Factories/ContentBaseFactory.cs
index d821195df5..e7f8cc0094 100644
--- a/src/Umbraco.Core/Persistence/Factories/ContentBaseFactory.cs
+++ b/src/Umbraco.Core/Persistence/Factories/ContentBaseFactory.cs
@@ -176,20 +176,18 @@ namespace Umbraco.Core.Persistence.Factories
         public static IEnumerable<ContentScheduleDto> BuildScheduleDto(IContent entity, ILanguageRepository languageRepository)
         {
             var schedule = new List<ContentScheduleDto>();
-            foreach (var schedByCulture in entity.ContentSchedule.FullSchedule)
+            foreach(var s in entity.ContentSchedule.FullSchedule)
             {
-                foreach (var cultureSched in schedByCulture.Value)
+                schedule.Add(new ContentScheduleDto
                 {
-                    schedule.Add(new ContentScheduleDto
-                    {
-                        Action = cultureSched.Change.ToString(),
-                        Date = cultureSched.Date,
-                        NodeId = entity.Id,
-                        LanguageId = languageRepository.GetIdByIsoCode(schedByCulture.Key, false),
-                        Id = cultureSched.Id
-                    });
-                }
+                    Action = s.Change.ToString(),
+                    Date = s.Date,
+                    NodeId = entity.Id,
+                    LanguageId = languageRepository.GetIdByIsoCode(s.Culture, false),
+                    Id = s.Id
+                });
             }
+
             return schedule;
         }
 
diff --git a/src/Umbraco.Core/Services/Implement/ContentService.cs b/src/Umbraco.Core/Services/Implement/ContentService.cs
index 58f3cf2d3d..c1616308b3 100644
--- a/src/Umbraco.Core/Services/Implement/ContentService.cs
+++ b/src/Umbraco.Core/Services/Implement/ContentService.cs
@@ -2475,9 +2475,7 @@ namespace Umbraco.Core.Services.Implement
             // they should be removed so they don't interrupt an unpublish
             // otherwise it would remain released == published
 
-            var pastReleases = content.ContentSchedule.FullSchedule.SelectMany(x => x.Value)
-                .Where(x => x.Change == ContentScheduleChange.End && x.Date <= DateTime.Now)
-                .ToList();
+            var pastReleases = content.ContentSchedule.GetPending(ContentScheduleChange.End, DateTime.Now);
             foreach (var p in pastReleases)
                 content.ContentSchedule.Remove(p);
             if (pastReleases.Count > 0)
diff --git a/src/Umbraco.Tests/Models/ContentScheduleTests.cs b/src/Umbraco.Tests/Models/ContentScheduleTests.cs
index 345c345bd4..59df7f4d01 100644
--- a/src/Umbraco.Tests/Models/ContentScheduleTests.cs
+++ b/src/Umbraco.Tests/Models/ContentScheduleTests.cs
@@ -92,7 +92,7 @@ namespace Umbraco.Tests.Models
             Assert.AreEqual(1, schedule.GetSchedule(ContentScheduleChange.Start).Count());
             Assert.AreEqual(1, schedule.GetSchedule("en-US", ContentScheduleChange.End).Count());
             Assert.AreEqual(1, schedule.GetSchedule("en-US", ContentScheduleChange.Start).Count());
-            Assert.AreEqual(2, schedule.FullSchedule.Count());
+            Assert.AreEqual(3, schedule.FullSchedule.Count());
 
             schedule.Clear("en-US", ContentScheduleChange.End);
 
diff --git a/src/Umbraco.Tests/Services/ContentServiceTests.cs b/src/Umbraco.Tests/Services/ContentServiceTests.cs
index fbcadb3ddc..305ef68f28 100644
--- a/src/Umbraco.Tests/Services/ContentServiceTests.cs
+++ b/src/Umbraco.Tests/Services/ContentServiceTests.cs
@@ -355,7 +355,7 @@ namespace Umbraco.Tests.Services
             content = contentService.GetById(content.Id);
             var sched = content.ContentSchedule.FullSchedule;
             Assert.AreEqual(1, sched.Count());
-            Assert.AreEqual(1, sched[string.Empty].Count());
+            Assert.AreEqual(1, sched.Count(x => x.Culture == string.Empty));
             content.ContentSchedule.Clear(ContentScheduleChange.End);
             contentService.Save(content, Constants.Security.SuperUserId);