diff --git a/src/PrettyPrompt/Cancellation/CancellationManager.cs b/src/PrettyPrompt/Cancellation/CancellationManager.cs
index 7decc9f..e195823 100644
--- a/src/PrettyPrompt/Cancellation/CancellationManager.cs
+++ b/src/PrettyPrompt/Cancellation/CancellationManager.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Threading;
 using PrettyPrompt.Consoles;
 
diff --git a/src/PrettyPrompt/Completion/CompletionItem.cs b/src/PrettyPrompt/Completion/CompletionItem.cs
index b6afb1d..dd25adb 100644
--- a/src/PrettyPrompt/Completion/CompletionItem.cs
+++ b/src/PrettyPrompt/Completion/CompletionItem.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Collections.Immutable;
 using System.Diagnostics;
 using System.Threading;
diff --git a/src/PrettyPrompt/Completion/OverloadItem.cs b/src/PrettyPrompt/Completion/OverloadItem.cs
index de20ab8..8822b8d 100644
--- a/src/PrettyPrompt/Completion/OverloadItem.cs
+++ b/src/PrettyPrompt/Completion/OverloadItem.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using PrettyPrompt.Highlighting;
 
diff --git a/src/PrettyPrompt/Completion/SlidingArrayWindow.cs b/src/PrettyPrompt/Completion/SlidingArrayWindow.cs
index 1d196a7..b2ceac3 100644
--- a/src/PrettyPrompt/Completion/SlidingArrayWindow.cs
+++ b/src/PrettyPrompt/Completion/SlidingArrayWindow.cs
@@ -4,9 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using PrettyPrompt.Documents;
diff --git a/src/PrettyPrompt/Console/AnsiEscapeCodes.cs b/src/PrettyPrompt/Console/AnsiEscapeCodes.cs
index e4299a0..25d42b2 100644
--- a/src/PrettyPrompt/Console/AnsiEscapeCodes.cs
+++ b/src/PrettyPrompt/Console/AnsiEscapeCodes.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System.Text;
 using PrettyPrompt.Highlighting;
 
 namespace PrettyPrompt.Consoles;
diff --git a/src/PrettyPrompt/Console/ConsoleCoordinate.cs b/src/PrettyPrompt/Console/ConsoleCoordinate.cs
index f330ab3..5802caf 100644
--- a/src/PrettyPrompt/Console/ConsoleCoordinate.cs
+++ b/src/PrettyPrompt/Console/ConsoleCoordinate.cs
@@ -4,10 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
 
 namespace PrettyPrompt.Consoles;
 
diff --git a/src/PrettyPrompt/Console/IConsole.cs b/src/PrettyPrompt/Console/IConsole.cs
index 00082e9..0fae33a 100644
--- a/src/PrettyPrompt/Console/IConsole.cs
+++ b/src/PrettyPrompt/Console/IConsole.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Text;
 using PrettyPrompt.Highlighting;
 using TextCopy;
 
diff --git a/src/PrettyPrompt/Console/KeyPress.cs b/src/PrettyPrompt/Console/KeyPress.cs
index b217e1a..2a73d20 100644
--- a/src/PrettyPrompt/Console/KeyPress.cs
+++ b/src/PrettyPrompt/Console/KeyPress.cs
@@ -4,11 +4,8 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 
 namespace PrettyPrompt.Consoles;
 
diff --git a/src/PrettyPrompt/Console/KeyPressPattern.cs b/src/PrettyPrompt/Console/KeyPressPattern.cs
index 9f9f66e..6d9e4b7 100644
--- a/src/PrettyPrompt/Console/KeyPressPattern.cs
+++ b/src/PrettyPrompt/Console/KeyPressPattern.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Diagnostics;
 
 namespace PrettyPrompt.Consoles;
diff --git a/src/PrettyPrompt/Console/KeyPressPatterns.cs b/src/PrettyPrompt/Console/KeyPressPatterns.cs
index 29ab6d9..4a2b8ec 100644
--- a/src/PrettyPrompt/Console/KeyPressPatterns.cs
+++ b/src/PrettyPrompt/Console/KeyPressPatterns.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Collections.Immutable;
 
 namespace PrettyPrompt.Consoles;
diff --git a/src/PrettyPrompt/Console/SystemConsole.cs b/src/PrettyPrompt/Console/SystemConsole.cs
index dee23cd..4e2e7af 100644
--- a/src/PrettyPrompt/Console/SystemConsole.cs
+++ b/src/PrettyPrompt/Console/SystemConsole.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace PrettyPrompt.Consoles;
diff --git a/src/PrettyPrompt/Documents/Document.cs b/src/PrettyPrompt/Documents/Document.cs
index 4cab16e..5ee835f 100644
--- a/src/PrettyPrompt/Documents/Document.cs
+++ b/src/PrettyPrompt/Documents/Document.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Threading.Tasks;
 using PrettyPrompt.Panes;
diff --git a/src/PrettyPrompt/Documents/Grapheme.cs b/src/PrettyPrompt/Documents/Grapheme.cs
index 4492585..0ecebdd 100644
--- a/src/PrettyPrompt/Documents/Grapheme.cs
+++ b/src/PrettyPrompt/Documents/Grapheme.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Globalization;
 
 namespace PrettyPrompt.Documents;
diff --git a/src/PrettyPrompt/Documents/ReadOnlyStringBuilder.cs b/src/PrettyPrompt/Documents/ReadOnlyStringBuilder.cs
index 1f9d18a..b7d9544 100644
--- a/src/PrettyPrompt/Documents/ReadOnlyStringBuilder.cs
+++ b/src/PrettyPrompt/Documents/ReadOnlyStringBuilder.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System.Text;
-
 namespace PrettyPrompt.Documents;
 
 /// <summary>
diff --git a/src/PrettyPrompt/Documents/StringBuilderWithCaret.cs b/src/PrettyPrompt/Documents/StringBuilderWithCaret.cs
index ca4d82a..fbd0f7c 100644
--- a/src/PrettyPrompt/Documents/StringBuilderWithCaret.cs
+++ b/src/PrettyPrompt/Documents/StringBuilderWithCaret.cs
@@ -4,9 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Diagnostics;
-using System.Text;
 
 namespace PrettyPrompt.Documents;
 
diff --git a/src/PrettyPrompt/Documents/TextSpan.cs b/src/PrettyPrompt/Documents/TextSpan.cs
index 7e20191..19b24fb 100644
--- a/src/PrettyPrompt/Documents/TextSpan.cs
+++ b/src/PrettyPrompt/Documents/TextSpan.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-
 namespace PrettyPrompt.Documents;
 
 //Microsoft.CodeAnalysis.Text.TextSpan equivalent.
diff --git a/src/PrettyPrompt/Documents/UndoRedoHistory.cs b/src/PrettyPrompt/Documents/UndoRedoHistory.cs
index 00153dd..8110812 100644
--- a/src/PrettyPrompt/Documents/UndoRedoHistory.cs
+++ b/src/PrettyPrompt/Documents/UndoRedoHistory.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System.Collections.Generic;
 using System.Diagnostics;
 using PrettyPrompt.TextSelection;
 
diff --git a/src/PrettyPrompt/Documents/WordWrapping.cs b/src/PrettyPrompt/Documents/WordWrapping.cs
index 12cfba6..ca8ba6d 100644
--- a/src/PrettyPrompt/Documents/WordWrapping.cs
+++ b/src/PrettyPrompt/Documents/WordWrapping.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using PrettyPrompt.Consoles;
 using PrettyPrompt.Highlighting;
diff --git a/src/PrettyPrompt/Extensions.cs b/src/PrettyPrompt/Extensions.cs
index 2222a86..31a61b5 100644
--- a/src/PrettyPrompt/Extensions.cs
+++ b/src/PrettyPrompt/Extensions.cs
@@ -4,9 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Diagnostics;
-using System.Text;
 using PrettyPrompt.Documents;
 using PrettyPrompt.Highlighting;
 
diff --git a/src/PrettyPrompt/Highlighting/AnsiColor.cs b/src/PrettyPrompt/Highlighting/AnsiColor.cs
index 644dd94..b81b01c 100644
--- a/src/PrettyPrompt/Highlighting/AnsiColor.cs
+++ b/src/PrettyPrompt/Highlighting/AnsiColor.cs
@@ -4,13 +4,9 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
+using System.Collections.Frozen;
 using System.Globalization;
-using System.Linq;
-using System.Reflection;
 using PrettyPrompt.Consoles;
-using static PrettyPrompt.Highlighting.FormattedString.TextElementsEnumerator;
 
 namespace PrettyPrompt.Highlighting;
 
@@ -42,11 +38,26 @@ namespace PrettyPrompt.Highlighting;
     public static readonly AnsiColor BrightCyan = new("96", "106", nameof(BrightCyan));
     public static readonly AnsiColor BrightWhite = new("97", "107", nameof(BrightWhite));
 
-    private static readonly Dictionary<string, AnsiColor> ansiColorNames =
-        typeof(AnsiColor)
-            .GetFields(BindingFlags.Static | BindingFlags.Public)
-            .Where(f => f.FieldType == typeof(AnsiColor))
-            .ToDictionary(f => f.Name, f => (AnsiColor)f.GetValue(null)!, StringComparer.OrdinalIgnoreCase);
+    private static readonly FrozenDictionary<string, AnsiColor> ansiColorNames =
+        new Dictionary<string, AnsiColor>(StringComparer.OrdinalIgnoreCase)
+        {
+            [nameof(Black)] = Black,
+            [nameof(Red)] = Red,
+            [nameof(Green)] = Green,
+            [nameof(Yellow)] = Yellow,
+            [nameof(Blue)] = Blue,
+            [nameof(Magenta)] = Magenta,
+            [nameof(Cyan)] = Cyan,
+            [nameof(White)] = White,
+            [nameof(BrightBlack)] = BrightBlack,
+            [nameof(BrightRed)] = BrightRed,
+            [nameof(BrightGreen)] = BrightGreen,
+            [nameof(BrightYellow)] = BrightYellow,
+            [nameof(BrightBlue)] = BrightBlue,
+            [nameof(BrightMagenta)] = BrightMagenta,
+            [nameof(BrightCyan)] = BrightCyan,
+            [nameof(BrightWhite)] = BrightWhite,
+        }.ToFrozenDictionary(StringComparer.OrdinalIgnoreCase);
 
     public static AnsiColor Rgb(byte r, byte g, byte b)
         => new($"38;2;{r};{g};{b}", $"48;2;{r};{g};{b}", $"#{r:X2}{g:X2}{b:X2}");
@@ -79,7 +90,7 @@ public static bool TryParse(string input, out AnsiColor result)
         }
 
         var span = input.AsSpan();
-        if (input.StartsWith('#') && span.Length == 7 &&
+        if (span.Length == 7 && span[0] == '#' &&
             byte.TryParse(span.Slice(1, 2), NumberStyles.AllowHexSpecifier, null, out byte r) &&
             byte.TryParse(span.Slice(3, 2), NumberStyles.AllowHexSpecifier, null, out byte g) &&
             byte.TryParse(span.Slice(5, 2), NumberStyles.AllowHexSpecifier, null, out byte b))
diff --git a/src/PrettyPrompt/Highlighting/CellRenderer.cs b/src/PrettyPrompt/Highlighting/CellRenderer.cs
index f2af35f..2c8e8f6 100644
--- a/src/PrettyPrompt/Highlighting/CellRenderer.cs
+++ b/src/PrettyPrompt/Highlighting/CellRenderer.cs
@@ -4,10 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Text;
 using PrettyPrompt.Consoles;
 using PrettyPrompt.Documents;
 using PrettyPrompt.TextSelection;
diff --git a/src/PrettyPrompt/Highlighting/FormatSpan.cs b/src/PrettyPrompt/Highlighting/FormatSpan.cs
index bf794d1..04b86f4 100644
--- a/src/PrettyPrompt/Highlighting/FormatSpan.cs
+++ b/src/PrettyPrompt/Highlighting/FormatSpan.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using PrettyPrompt.Documents;
 
 namespace PrettyPrompt.Highlighting;
diff --git a/src/PrettyPrompt/Highlighting/FormattedString.cs b/src/PrettyPrompt/Highlighting/FormattedString.cs
index dbe52db..e6716bd 100644
--- a/src/PrettyPrompt/Highlighting/FormattedString.cs
+++ b/src/PrettyPrompt/Highlighting/FormattedString.cs
@@ -4,13 +4,10 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Buffers;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
-using System.Linq;
 using System.Runtime.CompilerServices;
 using PrettyPrompt.Rendering;
 
diff --git a/src/PrettyPrompt/Highlighting/FormattedStringBuilder.cs b/src/PrettyPrompt/Highlighting/FormattedStringBuilder.cs
index c140bf6..5e50b3d 100644
--- a/src/PrettyPrompt/Highlighting/FormattedStringBuilder.cs
+++ b/src/PrettyPrompt/Highlighting/FormattedStringBuilder.cs
@@ -4,10 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Text;
 using PrettyPrompt.Documents;
 
 namespace PrettyPrompt.Highlighting;
diff --git a/src/PrettyPrompt/Highlighting/SyntaxHighlighter.cs b/src/PrettyPrompt/Highlighting/SyntaxHighlighter.cs
index 31b4d0e..50e4700 100644
--- a/src/PrettyPrompt/Highlighting/SyntaxHighlighter.cs
+++ b/src/PrettyPrompt/Highlighting/SyntaxHighlighter.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 
diff --git a/src/PrettyPrompt/History/HistoryLog.cs b/src/PrettyPrompt/History/HistoryLog.cs
index a8a9831..3421c74 100644
--- a/src/PrettyPrompt/History/HistoryLog.cs
+++ b/src/PrettyPrompt/History/HistoryLog.cs
@@ -4,13 +4,9 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
-using System.Linq;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using PrettyPrompt.Consoles;
diff --git a/src/PrettyPrompt/Panes/CompletionPane.cs b/src/PrettyPrompt/Panes/CompletionPane.cs
index fcbb24d..b61816a 100644
--- a/src/PrettyPrompt/Panes/CompletionPane.cs
+++ b/src/PrettyPrompt/Panes/CompletionPane.cs
@@ -4,10 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using PrettyPrompt.Completion;
diff --git a/src/PrettyPrompt/Panes/OverloadPane.cs b/src/PrettyPrompt/Panes/OverloadPane.cs
index e9497e7..ae924a5 100644
--- a/src/PrettyPrompt/Panes/OverloadPane.cs
+++ b/src/PrettyPrompt/Panes/OverloadPane.cs
@@ -4,10 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using PrettyPrompt.Completion;
diff --git a/src/PrettyPrompt/Pools.cs b/src/PrettyPrompt/Pools.cs
index cc27e71..c64e34e 100644
--- a/src/PrettyPrompt/Pools.cs
+++ b/src/PrettyPrompt/Pools.cs
@@ -4,10 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.Text;
 using System.Threading;
 
 namespace PrettyPrompt;
diff --git a/src/PrettyPrompt/Prompt.cs b/src/PrettyPrompt/Prompt.cs
index e9e16ad..e027333 100644
--- a/src/PrettyPrompt/Prompt.cs
+++ b/src/PrettyPrompt/Prompt.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Threading;
 using System.Threading.Tasks;
diff --git a/src/PrettyPrompt/PromptCallbacks.cs b/src/PrettyPrompt/PromptCallbacks.cs
index b91aed3..c29ff90 100644
--- a/src/PrettyPrompt/PromptCallbacks.cs
+++ b/src/PrettyPrompt/PromptCallbacks.cs
@@ -4,11 +4,8 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using PrettyPrompt.Completion;
diff --git a/src/PrettyPrompt/PromptConfiguration.cs b/src/PrettyPrompt/PromptConfiguration.cs
index e93c34c..55d26a1 100644
--- a/src/PrettyPrompt/PromptConfiguration.cs
+++ b/src/PrettyPrompt/PromptConfiguration.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using PrettyPrompt.Highlighting;
 
 namespace PrettyPrompt;
diff --git a/src/PrettyPrompt/Rendering/BoxDrawing.cs b/src/PrettyPrompt/Rendering/BoxDrawing.cs
index a1e7b26..ef2fb6c 100644
--- a/src/PrettyPrompt/Rendering/BoxDrawing.cs
+++ b/src/PrettyPrompt/Rendering/BoxDrawing.cs
@@ -4,10 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
 using PrettyPrompt.Highlighting;
 
 namespace PrettyPrompt.Rendering;
diff --git a/src/PrettyPrompt/Rendering/Cell.cs b/src/PrettyPrompt/Rendering/Cell.cs
index db86cb6..efc57dd 100644
--- a/src/PrettyPrompt/Rendering/Cell.cs
+++ b/src/PrettyPrompt/Rendering/Cell.cs
@@ -4,9 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
 using PrettyPrompt.Highlighting;
 
 namespace PrettyPrompt;
diff --git a/src/PrettyPrompt/Rendering/IncrementalRendering.cs b/src/PrettyPrompt/Rendering/IncrementalRendering.cs
index 5861c91..aee4a57 100644
--- a/src/PrettyPrompt/Rendering/IncrementalRendering.cs
+++ b/src/PrettyPrompt/Rendering/IncrementalRendering.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Text;
 using PrettyPrompt.Consoles;
 using PrettyPrompt.Highlighting;
 using static PrettyPrompt.Consoles.AnsiEscapeCodes;
diff --git a/src/PrettyPrompt/Rendering/Renderer.cs b/src/PrettyPrompt/Rendering/Renderer.cs
index b802e5b..999472f 100644
--- a/src/PrettyPrompt/Rendering/Renderer.cs
+++ b/src/PrettyPrompt/Rendering/Renderer.cs
@@ -4,9 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using PrettyPrompt.Consoles;
 using PrettyPrompt.Highlighting;
 using PrettyPrompt.Panes;
diff --git a/src/PrettyPrompt/Rendering/Row.cs b/src/PrettyPrompt/Rendering/Row.cs
index 1b0663f..fd47763 100644
--- a/src/PrettyPrompt/Rendering/Row.cs
+++ b/src/PrettyPrompt/Rendering/Row.cs
@@ -4,10 +4,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
 using PrettyPrompt.Highlighting;
 
 namespace PrettyPrompt;
diff --git a/src/PrettyPrompt/Rendering/Screen.cs b/src/PrettyPrompt/Rendering/Screen.cs
index b5c4610..601525d 100644
--- a/src/PrettyPrompt/Rendering/Screen.cs
+++ b/src/PrettyPrompt/Rendering/Screen.cs
@@ -4,8 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
-using System.Linq;
 using PrettyPrompt.Consoles;
 
 namespace PrettyPrompt.Rendering;
diff --git a/src/PrettyPrompt/Rendering/ScreenArea.cs b/src/PrettyPrompt/Rendering/ScreenArea.cs
index 2ac0c48..c382f2e 100644
--- a/src/PrettyPrompt/Rendering/ScreenArea.cs
+++ b/src/PrettyPrompt/Rendering/ScreenArea.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using PrettyPrompt.Consoles;
 
 namespace PrettyPrompt;
diff --git a/src/PrettyPrompt/Rendering/UnicodeWidth.cs b/src/PrettyPrompt/Rendering/UnicodeWidth.cs
index d122e62..f83ff57 100644
--- a/src/PrettyPrompt/Rendering/UnicodeWidth.cs
+++ b/src/PrettyPrompt/Rendering/UnicodeWidth.cs
@@ -4,10 +4,8 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Buffers;
 using System.Globalization;
-using System.Text;
 using Wcwidth;
 
 namespace PrettyPrompt.Rendering;
diff --git a/src/PrettyPrompt/StringCache.cs b/src/PrettyPrompt/StringCache.cs
index 42c9089..2c39146 100644
--- a/src/PrettyPrompt/StringCache.cs
+++ b/src/PrettyPrompt/StringCache.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Diagnostics;
 using PrettyPrompt.Rendering;
 
diff --git a/src/PrettyPrompt/TextSelection/SelectionKeyPressHandler.cs b/src/PrettyPrompt/TextSelection/SelectionKeyPressHandler.cs
index 4b1d3fb..5166c3a 100644
--- a/src/PrettyPrompt/TextSelection/SelectionKeyPressHandler.cs
+++ b/src/PrettyPrompt/TextSelection/SelectionKeyPressHandler.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System;
 using System.Threading;
 using System.Threading.Tasks;
 using PrettyPrompt.Consoles;
diff --git a/src/PrettyPrompt/TextSelection/SelectionSpan.cs b/src/PrettyPrompt/TextSelection/SelectionSpan.cs
index 40357d8..eac82f0 100644
--- a/src/PrettyPrompt/TextSelection/SelectionSpan.cs
+++ b/src/PrettyPrompt/TextSelection/SelectionSpan.cs
@@ -4,7 +4,6 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #endregion
 
-using System.Collections.Generic;
 using System.Diagnostics;
 using PrettyPrompt.Consoles;
 using PrettyPrompt.Documents;
diff --git a/src/PrettyPrompt/TextSelection/WrappedClipboard.cs b/src/PrettyPrompt/TextSelection/WrappedClipboard.cs
index 3397cf4..3f8dbfa 100644
--- a/src/PrettyPrompt/TextSelection/WrappedClipboard.cs
+++ b/src/PrettyPrompt/TextSelection/WrappedClipboard.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Threading;
+using System.Threading;
 using System.Threading.Tasks;
 using TextCopy;
 
diff --git a/tests/PrettyPrompt.Benchmarks/SteadyStateRenderBenchmark.cs b/tests/PrettyPrompt.Benchmarks/SteadyStateRenderBenchmark.cs
index 5f8aa3a..1b1325c 100644
--- a/tests/PrettyPrompt.Benchmarks/SteadyStateRenderBenchmark.cs
+++ b/tests/PrettyPrompt.Benchmarks/SteadyStateRenderBenchmark.cs
@@ -14,9 +14,7 @@
 using PrettyPrompt.Consoles;
 using PrettyPrompt.Highlighting;
 using PrettyPrompt.Panes;
-using PrettyPrompt.Rendering;
 using PrettyPrompt.TextSelection;
-using TextCopy;
 
 /// <summary>
 /// Honest steady-state per-keystroke cost in a large document. Unlike <see cref="PerKeystrokeBenchmark"/>
diff --git a/tests/PrettyPrompt.Tests/ClipboardTests.cs b/tests/PrettyPrompt.Tests/ClipboardTests.cs
index 23dc832..41a80ec 100644
--- a/tests/PrettyPrompt.Tests/ClipboardTests.cs
+++ b/tests/PrettyPrompt.Tests/ClipboardTests.cs
@@ -1,8 +1,5 @@
 using PrettyPrompt.TextSelection;
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Xunit;