diff --git a/server/src/analyzer/typeAnalyzer.ts b/server/src/analyzer/typeAnalyzer.ts
index 63c0a4e3e70..31d83fd8c6b 100644
--- a/server/src/analyzer/typeAnalyzer.ts
+++ b/server/src/analyzer/typeAnalyzer.ts
@@ -1139,6 +1139,7 @@ export class TypeAnalyzer extends ParseTreeWalker {
 
     visitDel(node: DelNode) {
         node.expressions.forEach(expr => {
+            this._markExpressionAccessed(expr);
             this._evaluateExpressionForDeletion(expr);
 
             if (expr instanceof NameNode) {