diff --git a/src/language-service/diagnostics.ts b/src/language-service/diagnostics.ts
index 35ce3f9..4513b62 100644
--- a/src/language-service/diagnostics.ts
+++ b/src/language-service/diagnostics.ts
@@ -20,6 +20,7 @@ import type { TextDocument } from 'vscode-languageserver-textdocument';
 import type { GetDiagnosticsParams, ArityInfo } from './language-service.types';
 import { FunctionDetails } from './language-service.models';
 import { ParseError } from '../types/errors';
+import type { TokenSpan } from './ls-utils';
 
 /**
  * Length of the error highlight range when position is known but token length is not.
@@ -27,15 +28,6 @@ import { ParseError } from '../types/errors';
  */
 const ERROR_HIGHLIGHT_LENGTH = 10;
 
-/**
- * Represents a token with its position in the source text.
- */
-export interface TokenSpan {
-  token: Token;
-  start: number;
-  end: number;
-}
-
 /**
  * State used while counting function arguments.
  */
diff --git a/src/language-service/language-service.ts b/src/language-service/language-service.ts
index 59fb1d7..27d150f 100644
--- a/src/language-service/language-service.ts
+++ b/src/language-service/language-service.ts
@@ -34,14 +34,14 @@ import {
   valueTypeName,
   extractPathPrefix,
   makeTokenStream,
-  iterateTokens
+  iterateTokens,
+  TokenSpan
 } from './ls-utils';
 import { pathVariableCompletions, tryVariableHoverUsingSpans } from './variable-utils';
 import {
   getDiagnosticsForDocument,
   createDiagnosticFromParseError,
-  createDiagnosticFromError,
-  TokenSpan
+  createDiagnosticFromError
 } from './diagnostics';
 import { ParseError } from '../types/errors';