diff --git a/README.md b/README.md
index 4db9002..103ced1 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,6 @@ types.
   - [`fromRange(range)`](#fromrangerange)
   - [`fromRelatedInformation(relatedInformation)`](#fromrelatedinformationrelatedinformation)
   - [`fromSelectionRange(selectionRange)`](#fromselectionrangeselectionrange)
-  - [`fromSelectionRanges(selectionRanges)`](#fromselectionrangesselectionranges)
   - [`fromSemanticTokens(semanticTokens)`](#fromsemantictokenssemantictokens)
   - [`fromSemanticTokensEdit(semanticTokensEdit)`](#fromsemantictokenseditsemantictokensedit)
   - [`fromSemanticTokensEdits(semanticTokensEdits)`](#fromsemantictokenseditssemantictokensedits)
@@ -102,7 +101,6 @@ types.
   - [`toRange(range)`](#torangerange)
   - [`toRelatedInformation(relatedInformation)`](#torelatedinformationrelatedinformation)
   - [`toSelectionRange(selectionRange)`](#toselectionrangeselectionrange)
-  - [`toSelectionRanges(selectionRange)`](#toselectionrangesselectionrange)
   - [`toSemanticTokens(semanticTokens)`](#tosemantictokenssemantictokens)
   - [`toSemanticTokensEdit(semanticTokensEdit)`](#tosemantictokenseditsemantictokensedit)
   - [`toSemanticTokensEdits(semanticTokensDelta)`](#tosemantictokenseditssemantictokensdelta)
@@ -612,19 +610,6 @@ Convert a Monaco editor selection range to an LSP selection range.
 
 The selection range as an LSP selection range (`lsp.SelectionRange`).
 
-### `fromSelectionRanges(selectionRanges)`
-
-Convert Monaco editor selection ranges to an LSP selection ranges.
-
-#### Parameters
-
-- `selectionRanges` (`Array<monaco.languages.SelectionRange>`) — the Monaco selections range to
-  convert
-
-#### Returns
-
-The selection ranges as LSP selection range (`lsp.SelectionRange | undefined`).
-
 ### `fromSemanticTokens(semanticTokens)`
 
 Convert Monaco editor semantic tokens to LSP semantic tokens.
@@ -1260,18 +1245,6 @@ Convert an LSP selection range to a Monaco editor selection range.
 
 The selection range as Monaco editor selection range (`monaco.languages.SelectionRange`).
 
-### `toSelectionRanges(selectionRange)`
-
-Convert an LSP selection range to Monaco editor selection ranges.
-
-#### Parameters
-
-- `selectionRange` (`lsp.SelectionRange | undefined`) — the LSP selection range to convert
-
-#### Returns
-
-The selection range as Monaco editor selection ranges (`Array<monaco.languages.SelectionRange>`).
-
 ### `toSemanticTokens(semanticTokens)`
 
 Convert LSP semantic tokens to Monaco editor semantic tokens.
diff --git a/src/index.ts b/src/index.ts
index 37a5402..8aefd63 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -34,7 +34,6 @@ export { fromParameterInformation, toParameterInformation } from './parameterInf
 export { fromPosition, toPosition } from './position.js'
 export { fromRange, toRange } from './range.js'
 export { fromRelatedInformation, toRelatedInformation } from './relatedInformation.js'
-export { fromSelectionRange, toSelectionRange } from './selectionRange.js'
 export { fromSelectionRanges, toSelectionRanges } from './selectionRanges.js'
 export { fromSemanticTokens, toSemanticTokens } from './semanticTokens.js'
 export { fromSemanticTokensEdit, toSemanticTokensEdit } from './semanticTokensEdit.js'
diff --git a/src/selectionRange.ts b/src/selectionRange.ts
deleted file mode 100644
index 7bc2bfa..0000000
--- a/src/selectionRange.ts
+++ /dev/null
@@ -1,40 +0,0 @@
-import type * as monaco from 'monaco-types'
-import type * as lsp from 'vscode-languageserver-protocol'
-
-import { fromRange, toRange } from './range.js'
-
-/**
- * Convert a Monaco editor selection range to an LSP selection range.
- *
- * @param selectionRange
- *   The Monaco selection range to convert.
- * @returns
- *   The selection range as an LSP selection range.
- * @deprecated
- * Use `fromSelectionRanges` instead.
- */
-export function fromSelectionRange(
-  selectionRange: monaco.languages.SelectionRange
-): lsp.SelectionRange {
-  return {
-    range: fromRange(selectionRange.range)
-  }
-}
-
-/**
- * Convert an LSP selection range to a Monaco editor selection range.
- *
- * @param selectionRange
- *   The LSP selection range to convert.
- * @returns
- *   The selection range as Monaco editor selection range.
- * @deprecated
- * Use `toSelectionRanges` instead.
- */
-export function toSelectionRange(
-  selectionRange: lsp.SelectionRange
-): monaco.languages.SelectionRange {
-  return {
-    range: toRange(selectionRange.range)
-  }
-}
diff --git a/test/selectionRange.test.ts b/test/selectionRange.test.ts
deleted file mode 100644
index 2e14934..0000000
--- a/test/selectionRange.test.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { runTests } from './utils.js'
-import { fromSelectionRange, toSelectionRange } from '../src/index.js'
-
-runTests(
-  fromSelectionRange,
-  toSelectionRange
-)({
-  lsp: { range: { start: { line: 0, character: 10 }, end: { line: 2, character: 20 } } },
-  monaco: { range: { startLineNumber: 1, startColumn: 11, endLineNumber: 3, endColumn: 21 } }
-})