diff --git a/apps/oxlint/src-js/plugins/lint.ts b/apps/oxlint/src-js/plugins/lint.ts
index 36ef7df042618..517d3cf6d2196 100644
--- a/apps/oxlint/src-js/plugins/lint.ts
+++ b/apps/oxlint/src-js/plugins/lint.ts
@@ -1,6 +1,6 @@
 import { diagnostics, setupContextForFile } from './context.js';
 import { registeredRules } from './load.js';
-import { ast, initAst, resetSource, setupSourceForFile } from './source_code.js';
+import { ast, initAst, resetSourceAndAst, setupSourceForFile } from './source_code.js';
 import { assertIs, getErrorMessage } from './utils.js';
 import { addVisitorToCompiled, compiledVisitor, finalizeCompiledVisitor, initCompiledVisitor } from './visitor.js';
 
@@ -160,6 +160,6 @@ function lintFileImpl(filePath: string, bufferId: number, buffer: Uint8Array | n
     afterHooks.length = 0;
   }
 
-  // Reset source, to free memory
-  resetSource();
+  // Reset source and AST, to free memory
+  resetSourceAndAst();
 }
diff --git a/apps/oxlint/src-js/plugins/source_code.ts b/apps/oxlint/src-js/plugins/source_code.ts
index 3e27e50725bba..65e24a84ea4b7 100644
--- a/apps/oxlint/src-js/plugins/source_code.ts
+++ b/apps/oxlint/src-js/plugins/source_code.ts
@@ -65,7 +65,7 @@ export function initAst(): void {
 }
 
 /**
- * Reset source after file has been linted, to free memory.
+ * Reset source and AST after file has been linted, to free memory.
  *
  * Setting `buffer` to `null` also prevents AST being deserialized after linting,
  * at which point the buffer may be being reused for another file.
@@ -74,7 +74,7 @@ export function initAst(): void {
  * With `buffer` set to `null`, accessing `SOURCE_CODE.ast` will still throw, but the error message will be clearer,
  * and no danger of an infinite loop due to a circular AST (unlikely but possible).
  */
-export function resetSource(): void {
+export function resetSourceAndAst(): void {
   buffer = null;
   sourceText = null;
   ast = null;