diff --git a/src/Avalonia.Base/Media/TextFormatting/CharacterBufferRange.cs b/src/Avalonia.Base/Media/TextFormatting/CharacterBufferRange.cs
index 045f336700..d76f212f26 100644
--- a/src/Avalonia.Base/Media/TextFormatting/CharacterBufferRange.cs
+++ b/src/Avalonia.Base/Media/TextFormatting/CharacterBufferRange.cs
@@ -47,21 +47,6 @@ namespace Avalonia.Media.TextFormatting
                 )
         { }
 
-        /// <summary>
-        /// Construct <see cref="CharacterBufferRange"/> from unsafe character string
-        /// </summary>
-        /// <param name="unsafeCharacterString">pointer to character string</param>
-        /// <param name="characterLength">character length</param>
-        public unsafe CharacterBufferRange(
-            char* unsafeCharacterString,
-            int characterLength
-            )
-            : this(
-                new CharacterBufferReference(unsafeCharacterString, characterLength),
-                characterLength
-                )
-        { }
-
         /// <summary>
         /// Construct a <see cref="CharacterBufferRange"/> from <see cref="CharacterBufferReference"/>
         /// </summary>
diff --git a/src/Avalonia.Base/Media/TextFormatting/CharacterBufferReference.cs b/src/Avalonia.Base/Media/TextFormatting/CharacterBufferReference.cs
index a15562cb52..672fcf3377 100644
--- a/src/Avalonia.Base/Media/TextFormatting/CharacterBufferReference.cs
+++ b/src/Avalonia.Base/Media/TextFormatting/CharacterBufferReference.cs
@@ -1,6 +1,4 @@
 using System;
-using System.Buffers;
-using System.Runtime.InteropServices;
 
 namespace Avalonia.Media.TextFormatting
 {
@@ -26,15 +24,6 @@ namespace Avalonia.Media.TextFormatting
         public CharacterBufferReference(string characterString, int offsetToFirstChar = 0)
             : this(characterString.AsMemory(), offsetToFirstChar)
         { }
-
-        /// <summary>
-        /// Construct character buffer reference from unsafe character string
-        /// </summary>
-        /// <param name="unsafeCharacterString">pointer to character string</param>
-        /// <param name="characterLength">character length of unsafe string</param>
-        public unsafe CharacterBufferReference(char* unsafeCharacterString, int characterLength)
-            : this(new UnmanagedMemoryManager<char>(unsafeCharacterString, characterLength).Memory, 0)
-        { }
       
         /// <summary>
         /// Construct character buffer reference from memory buffer
@@ -58,6 +47,17 @@ namespace Avalonia.Media.TextFormatting
             OffsetToFirstChar = offsetToFirstChar;
         }
 
+        /// <summary>
+        /// Gets the character memory buffer
+        /// </summary>
+        public ReadOnlyMemory<char> CharacterBuffer { get; }
+
+        /// <summary>
+        /// Gets the character offset relative to the beginning of buffer to 
+        /// the first character of the run
+        /// </summary>
+        public int OffsetToFirstChar { get; }
+
         /// <summary>
         /// Compute hash code
         /// </summary>
@@ -110,67 +110,6 @@ namespace Avalonia.Media.TextFormatting
         {
             return !(left == right);
         }
-
-        public ReadOnlyMemory<char> CharacterBuffer { get; }
-
-        public int OffsetToFirstChar { get; }
-
-        /// <summary>
-        /// A MemoryManager over a raw pointer
-        /// </summary>
-        /// <remarks>The pointer is assumed to be fully unmanaged, or externally pinned - no attempt will be made to pin this data</remarks>
-        public sealed unsafe class UnmanagedMemoryManager<T> : MemoryManager<T>
-            where T : unmanaged
-        {
-            private readonly T* _pointer;
-            private readonly int _length;
-
-            /// <summary>
-            /// Create a new UnmanagedMemoryManager instance at the given pointer and size
-            /// </summary>
-            /// <remarks>It is assumed that the span provided is already unmanaged or externally pinned</remarks>
-            public UnmanagedMemoryManager(Span<T> span)
-            {
-                fixed (T* ptr = &MemoryMarshal.GetReference(span))
-                {
-                    _pointer = ptr;
-                    _length = span.Length;
-                }
-            }
-            /// <summary>
-            /// Create a new UnmanagedMemoryManager instance at the given pointer and size
-            /// </summary>
-            public UnmanagedMemoryManager(T* pointer, int length)
-            {
-                if (length < 0)
-                    throw new ArgumentOutOfRangeException(nameof(length));
-                _pointer = pointer;
-                _length = length;
-            }
-            /// <summary>
-            /// Obtains a span that represents the region
-            /// </summary>
-            public override Span<T> GetSpan() => new Span<T>(_pointer, _length);
-
-            /// <summary>
-            /// Provides access to a pointer that represents the data (note: no actual pin occurs)
-            /// </summary>
-            public override MemoryHandle Pin(int elementIndex = 0)
-            {
-                if (elementIndex < 0 || elementIndex >= _length)
-                    throw new ArgumentOutOfRangeException(nameof(elementIndex));
-                return new MemoryHandle(_pointer + elementIndex);
-            }
-            /// <summary>
-            /// Has no effect
-            /// </summary>
-            public override void Unpin() { }
-
-            /// <summary>
-            /// Releases all resources associated with this object
-            /// </summary>
-            protected override void Dispose(bool disposing) { }
-        }     
     }
 }
 
diff --git a/src/Avalonia.Base/Media/TextFormatting/TextCharacters.cs b/src/Avalonia.Base/Media/TextFormatting/TextCharacters.cs
index 9587786c5b..0be753bd04 100644
--- a/src/Avalonia.Base/Media/TextFormatting/TextCharacters.cs
+++ b/src/Avalonia.Base/Media/TextFormatting/TextCharacters.cs
@@ -57,21 +57,6 @@ namespace Avalonia.Media.TextFormatting
                 )
         { }
 
-        /// <summary>
-        /// Construct a run for text content from unsafe character string
-        /// </summary>
-        public unsafe TextCharacters(
-            char* unsafeCharacterString,
-            int length,
-            TextRunProperties textRunProperties
-            ) :
-            this(
-                new CharacterBufferReference(unsafeCharacterString, length),
-                length,
-                textRunProperties
-                )
-        { }
-
         /// <summary>
         /// Internal constructor of TextContent
         /// </summary>