diff --git a/gitnexus/src/core/ingestion/languages/c/captures.ts b/gitnexus/src/core/ingestion/languages/c/captures.ts
index 751d645f7..e5139521e 100644
--- a/gitnexus/src/core/ingestion/languages/c/captures.ts
+++ b/gitnexus/src/core/ingestion/languages/c/captures.ts
@@ -1,5 +1,5 @@
 import type { Capture, CaptureMatch } from 'gitnexus-shared';
-import { findNodeAtRange, nodeToCapture, syntheticCapture } from '../../utils/ast-helpers.js';
+import { findNodeAtRange, nodeToCapture, syntheticCapture, type SyntaxNode } from '../../utils/ast-helpers.js';
 import { getCParser, getCScopeQuery } from './query.js';
 import { getTreeSitterBufferSize } from '../../constants.js';
 import { parseSourceSafe } from '../../../tree-sitter/safe-parse.js';
@@ -126,7 +126,7 @@ export function emitCScopeCaptures(
  * Check if a C function_definition or declaration has `static` storage class.
  * Walks direct children for a `storage_class_specifier` node with text `static`.
  */
-function hasStaticStorageClass(node: ReturnType<ReturnType<typeof getCParser>['parse']>['rootNode']): boolean {
+function hasStaticStorageClass(node: SyntaxNode): boolean {
   for (let i = 0; i < node.childCount; i++) {
     const child = node.child(i);
     if (child !== null && child.type === 'storage_class_specifier' && child.text === 'static') {
diff --git a/gitnexus/src/core/ingestion/languages/c/static-linkage.ts b/gitnexus/src/core/ingestion/languages/c/static-linkage.ts
index babe1fd17..fb063a65d 100644
--- a/gitnexus/src/core/ingestion/languages/c/static-linkage.ts
+++ b/gitnexus/src/core/ingestion/languages/c/static-linkage.ts
@@ -41,12 +41,15 @@ export function expandCWildcardNames(
   const target = parsedFiles.find((p) => p.moduleScope === targetModuleScope);
   if (target === undefined) return [];
 
+  const seen = new Set<string>();
   const names: string[] = [];
   for (const def of target.localDefs) {
     const name = simpleName(def);
     if (name === '') continue;
     if (isStaticName(target.filePath, name)) continue;
-    if (!names.includes(name)) names.push(name);
+    if (seen.has(name)) continue;
+    seen.add(name);
+    names.push(name);
   }
   return names;
 }