diff --git a/Terminal.Gui/Text/TextFormatter.cs b/Terminal.Gui/Text/TextFormatter.cs
index 7436823ff..a46b73df7 100644
--- a/Terminal.Gui/Text/TextFormatter.cs
+++ b/Terminal.Gui/Text/TextFormatter.cs
@@ -1981,148 +1981,6 @@ public class TextFormatter
         return lineIdx;
     }
 
-    /// <summary>Calculates the rectangle required to hold text, assuming no word wrapping or alignment.</summary>
-    /// <remarks>
-    ///     This API will return incorrect results if the text includes glyphs whose width is dependent on surrounding
-    ///     glyphs (e.g. Arabic).
-    /// </remarks>
-    /// <param name="x">The x location of the rectangle</param>
-    /// <param name="y">The y location of the rectangle</param>
-    /// <param name="text">The text to measure</param>
-    /// <param name="direction">The text direction.</param>
-    /// <param name="tabWidth">The number of columns used for a tab.</param>
-    /// <returns></returns>
-    [Obsolete ("CalcRect is deprecated, FormatAndGetSize instead.")]
-    internal static Rectangle CalcRect (
-        int x,
-        int y,
-        string text,
-        TextDirection direction = TextDirection.LeftRight_TopBottom,
-        int tabWidth = 0
-    )
-    {
-        if (string.IsNullOrEmpty (text))
-        {
-            return new (new (x, y), System.Drawing.Size.Empty);
-        }
-
-        int w, h;
-
-        if (IsHorizontalDirection (direction))
-        {
-            var mw = 0;
-            var ml = 1;
-
-            var cols = 0;
-
-            foreach (Rune rune in text.EnumerateRunes ())
-            {
-                if (rune.Value == '\n')
-                {
-                    ml++;
-
-                    if (cols > mw)
-                    {
-                        mw = cols;
-                    }
-
-                    cols = 0;
-                }
-                else if (rune.Value != '\r')
-                {
-                    cols++;
-                    var rw = 0;
-
-                    if (rune.Value == '\t')
-                    {
-                        rw += tabWidth - 1;
-                    }
-                    else
-                    {
-                        rw = rune.GetColumns ();
-
-                        if (rw > 0)
-                        {
-                            rw--;
-                        }
-                        else if (rw == 0)
-                        {
-                            cols--;
-                        }
-                    }
-
-                    cols += rw;
-                }
-            }
-
-            if (cols > mw)
-            {
-                mw = cols;
-            }
-
-            w = mw;
-            h = ml;
-        }
-        else
-        {
-            int vw = 1, cw = 1;
-            var vh = 0;
-
-            var rows = 0;
-
-            foreach (Rune rune in text.EnumerateRunes ())
-            {
-                if (rune.Value == '\n')
-                {
-                    vw++;
-
-                    if (rows > vh)
-                    {
-                        vh = rows;
-                    }
-
-                    rows = 0;
-                    cw = 1;
-                }
-                else if (rune.Value != '\r')
-                {
-                    rows++;
-                    var rw = 0;
-
-                    if (rune.Value == '\t')
-                    {
-                        rw += tabWidth - 1;
-                        rows += rw;
-                    }
-                    else
-                    {
-                        rw = rune.GetColumns ();
-
-                        if (rw == 0)
-                        {
-                            rows--;
-                        }
-                        else if (cw < rw)
-                        {
-                            cw = rw;
-                            vw++;
-                        }
-                    }
-                }
-            }
-
-            if (rows > vh)
-            {
-                vh = rows;
-            }
-
-            w = vw;
-            h = vh;
-        }
-
-        return new (x, y, w, h);
-    }
-
     /// <summary>Finds the HotKey and its location in text.</summary>
     /// <param name="text">The text to look in.</param>
     /// <param name="hotKeySpecifier">The HotKey specifier (e.g. '_') to look for.</param>
diff --git a/UnitTests/Text/TextFormatterTests.cs b/UnitTests/Text/TextFormatterTests.cs
index a177b9dae..a83b7205c 100644
--- a/UnitTests/Text/TextFormatterTests.cs
+++ b/UnitTests/Text/TextFormatterTests.cs
@@ -39,101 +39,6 @@ public class TextFormatterTests
             }
         };
 
-    [Theory]
-    [InlineData (null)]
-    [InlineData ("")]
-    public void CalcRect_Invalid_Returns_Empty (string text)
-    {
-        Assert.Equal (Rectangle.Empty, TextFormatter.CalcRect (0, 0, text));
-        Assert.Equal (new (new (1, 2), Size.Empty), TextFormatter.CalcRect (1, 2, text));
-        Assert.Equal (new (new (-1, -2), Size.Empty), TextFormatter.CalcRect (-1, -2, text));
-    }
-
-    [Theory]
-    [InlineData ("line1\nline2", 5, 2)]
-    [InlineData ("\nline2", 5, 2)]
-    [InlineData ("\n\n", 0, 3)]
-    [InlineData ("\n\n\n", 0, 4)]
-    [InlineData ("line1\nline2\nline3long!", 10, 3)]
-    [InlineData ("line1\nline2\n\n", 5, 4)]
-    [InlineData ("line1\r\nline2", 5, 2)]
-    [InlineData (" ~  s  gui.cs   master ↑10\n", 31, 2)]
-    [InlineData ("\n ~  s  gui.cs   master ↑10", 31, 2)]
-    [InlineData (" ~  s  gui.cs   master\n↑10", 27, 2)]
-    public void CalcRect_MultiLine_Returns_nHigh (string text, int expectedWidth, int expectedLines)
-    {
-        Assert.Equal (new (0, 0, expectedWidth, expectedLines), TextFormatter.CalcRect (0, 0, text));
-        string [] lines = text.Split (text.Contains (Environment.NewLine) ? Environment.NewLine : "\n");
-        int maxWidth = lines.Max (s => s.GetColumns ());
-        var lineWider = 0;
-
-        for (var i = 0; i < lines.Length; i++)
-        {
-            int w = lines [i].GetColumns ();
-
-            if (w == maxWidth)
-            {
-                lineWider = i;
-            }
-        }
-
-        Assert.Equal (new (0, 0, maxWidth, expectedLines), TextFormatter.CalcRect (0, 0, text));
-
-        Assert.Equal (
-                      new (
-                           0,
-                           0,
-                           lines [lineWider].ToRuneList ().Sum (r => Math.Max (r.GetColumns (), 0)),
-                           expectedLines
-                          ),
-                      TextFormatter.CalcRect (0, 0, text)
-                     );
-    }
-
-    [Theory]
-    [InlineData ("test")]
-    [InlineData (" ~  s  gui.cs   master ↑10")]
-    public void CalcRect_SingleLine_Returns_1High (string text)
-    {
-        Assert.Equal (new (0, 0, text.GetRuneCount (), 1), TextFormatter.CalcRect (0, 0, text));
-        Assert.Equal (new (0, 0, text.GetColumns (), 1), TextFormatter.CalcRect (0, 0, text));
-    }
-
-    [Theory]
-    [InlineData (14, 1, TextDirection.LeftRight_TopBottom)]
-    [InlineData (1, 14, TextDirection.TopBottom_LeftRight)]
-    public void CalcRect_With_Combining_Runes (int width, int height, TextDirection textDirection)
-    {
-        var text = "Les Mise\u0328\u0301rables";
-        Assert.Equal (new (0, 0, width, height), TextFormatter.CalcRect (0, 0, text, textDirection));
-    }
-
-    [Theory]
-    [InlineData ("test", TextDirection.LeftRight_TopBottom)]
-    [InlineData (" ~  s  gui.cs   master ↑10", TextDirection.LeftRight_TopBottom)]
-    [InlineData ("Say Hello view4 你", TextDirection.LeftRight_TopBottom)]
-    [InlineData ("Say Hello view4 你", TextDirection.RightLeft_TopBottom)]
-    [InlineData ("Say Hello view4 你", TextDirection.LeftRight_BottomTop)]
-    [InlineData ("Say Hello view4 你", TextDirection.RightLeft_BottomTop)]
-    public void CalcRect_Horizontal_Width_Correct (string text, TextDirection textDirection)
-    {
-        // The width is the number of columns in the text
-        Assert.Equal (new (text.GetColumns (), 1), TextFormatter.CalcRect (0, 0, text, textDirection).Size);
-    }
-
-    [Theory]
-    [InlineData ("test", TextDirection.TopBottom_LeftRight)]
-    [InlineData (" ~  s  gui.cs   master ↑10", TextDirection.TopBottom_LeftRight)]
-    [InlineData ("Say Hello view4 你", TextDirection.TopBottom_LeftRight)]
-    [InlineData ("Say Hello view4 你", TextDirection.TopBottom_RightLeft)]
-    [InlineData ("Say Hello view4 你", TextDirection.BottomTop_LeftRight)]
-    [InlineData ("Say Hello view4 你", TextDirection.BottomTop_RightLeft)]
-    public void CalcRect_Vertical_Height_Correct (string text, TextDirection textDirection)
-    {
-        // The height is based both the number of lines and the number of wide chars
-        Assert.Equal (new (1 + text.GetColumns () - text.Length, text.Length), TextFormatter.CalcRect (0, 0, text, textDirection).Size);
-    }
-
     [Theory]
     [InlineData ("")]
     [InlineData (null)]