diff --git a/src/Umbraco.Core/Models/Content.cs b/src/Umbraco.Core/Models/Content.cs
index 1f106124b4..bb2192f187 100644
--- a/src/Umbraco.Core/Models/Content.cs
+++ b/src/Umbraco.Core/Models/Content.cs
@@ -253,10 +253,6 @@ namespace Umbraco.Core.Models
             PublishName = null;
             _publishNames = null;
         }
-
-        /// <inheritdoc />
-        public bool IsCultureAvailable(string culture)
-            => !string.IsNullOrWhiteSpace(GetName(culture));
 
         /// <inheritdoc />
         public bool IsCulturePublished(string culture)
diff --git a/src/Umbraco.Core/Models/ContentBase.cs b/src/Umbraco.Core/Models/ContentBase.cs
index 32a26f9dc0..ca5f9024a7 100644
--- a/src/Umbraco.Core/Models/ContentBase.cs
+++ b/src/Umbraco.Core/Models/ContentBase.cs
@@ -121,6 +121,22 @@ namespace Umbraco.Core.Models
             }
         }
 
+        /// <summary>
+        /// Gets the enumeration of property groups for the entity.
+        /// fixme is a proxy, kill this
+        /// </summary>
+        [IgnoreDataMember]
+        public IEnumerable<PropertyGroup> PropertyGroups => ContentTypeBase.CompositionPropertyGroups;
+
+        /// <summary>
+        /// Gets the numeration of property types for the entity.
+        /// fixme is a proxy, kill this
+        /// </summary>
+        [IgnoreDataMember]
+        public IEnumerable<PropertyType> PropertyTypes => ContentTypeBase.CompositionPropertyTypes;
+
+        #region Cultures
+
         /// <inheritdoc />
         [DataMember]
         public virtual IReadOnlyDictionary<string, string> Names
@@ -140,7 +156,7 @@ namespace Umbraco.Core.Models
             {
                 ClearName(culture);
                 return;
-            }
+            }
 
             if (culture == null)
             {
@@ -158,6 +174,18 @@ namespace Umbraco.Core.Models
             OnPropertyChanged(Ps.Value.NamesSelector);
         }
 
+        /// <inheritdoc />
+        public virtual string GetName(string culture)
+        {
+            if (culture == null) return Name;
+            if (_names == null) return null;
+            return _names.TryGetValue(culture, out var name) ? name : null;
+        }
+
+        /// <inheritdoc />
+        public bool IsCultureAvailable(string culture)
+            => !string.IsNullOrWhiteSpace(GetName(culture));
+
         private void ClearName(string culture)
         {
             if (culture == null)
@@ -177,28 +205,8 @@ namespace Umbraco.Core.Models
             _names = null;
             OnPropertyChanged(Ps.Value.NamesSelector);
         }
-
-        /// <inheritdoc />
-        public virtual string GetName(string culture)
-        {
-            if (culture == null) return Name;
-            if (_names == null) return null;
-            return _names.TryGetValue(culture, out var name) ? name : null;
-        }
-
-        /// <summary>
-        /// Gets the enumeration of property groups for the entity.
-        /// fixme is a proxy, kill this
-        /// </summary>
-        [IgnoreDataMember]
-        public IEnumerable<PropertyGroup> PropertyGroups => ContentTypeBase.CompositionPropertyGroups;
-
-        /// <summary>
-        /// Gets the numeration of property types for the entity.
-        /// fixme is a proxy, kill this
-        /// </summary>
-        [IgnoreDataMember]
-        public IEnumerable<PropertyType> PropertyTypes => ContentTypeBase.CompositionPropertyTypes;
+
+        #endregion
 
         #region Has, Get, Set, Publish Property Value
 
diff --git a/src/Umbraco.Core/Models/IContent.cs b/src/Umbraco.Core/Models/IContent.cs
index 3df81f7314..69e01f4963 100644
--- a/src/Umbraco.Core/Models/IContent.cs
+++ b/src/Umbraco.Core/Models/IContent.cs
@@ -80,15 +80,6 @@ namespace Umbraco.Core.Models
         /// </summary>
         ContentStatus Status { get; }
 
-        /// <summary>
-        /// Gets a value indicating whether a given culture is available.
-        /// </summary>
-        /// <remarks>
-        /// <para>A culture becomes available whenever the content name for this culture is
-        /// non-null, and it becomes unavailable whenever the content name is null.</para>
-        /// </remarks>
-        bool IsCultureAvailable(string culture);
-
         /// <summary>
         /// Gets a value indicating whether a given culture is published.
         /// </summary>
diff --git a/src/Umbraco.Core/Models/IContentBase.cs b/src/Umbraco.Core/Models/IContentBase.cs
index f8bb0e6985..93a6e82ada 100644
--- a/src/Umbraco.Core/Models/IContentBase.cs
+++ b/src/Umbraco.Core/Models/IContentBase.cs
@@ -51,9 +51,18 @@ namespace Umbraco.Core.Models
         /// <remarks>
         /// <para>Because a dictionary key cannot be <c>null</c> this cannot get nor set the invariant
         /// name, which must be get or set via the <see cref="TreeEntityBase.Name"/> property.</para>
-        /// </remarks>
+        /// </remarks>
         IReadOnlyDictionary<string, string> Names { get; set; }
 
+        /// <summary>
+        /// Gets a value indicating whether a given culture is available.
+        /// </summary>
+        /// <remarks>
+        /// <para>A culture becomes available whenever the content name for this culture is
+        /// non-null, and it becomes unavailable whenever the content name is null.</para>
+        /// </remarks>
+        bool IsCultureAvailable(string culture);
+
         /// <summary>
         /// List of properties, which make up all the data available for this Content object
         /// </summary>