diff --git a/extensions/debug-auto-launch/tsconfig.json b/extensions/debug-auto-launch/tsconfig.json
index bfcf873c749..7234fdfeb97 100644
--- a/extensions/debug-auto-launch/tsconfig.json
+++ b/extensions/debug-auto-launch/tsconfig.json
@@ -2,7 +2,6 @@
 	"extends": "../tsconfig.base.json",
 	"compilerOptions": {
 		"outDir": "./out",
-		"downlevelIteration": true,
 		"types": [
 			"node"
 		]
diff --git a/extensions/debug-server-ready/tsconfig.json b/extensions/debug-server-ready/tsconfig.json
index 9bf747283ca..c80fe0d4ca9 100644
--- a/extensions/debug-server-ready/tsconfig.json
+++ b/extensions/debug-server-ready/tsconfig.json
@@ -2,7 +2,6 @@
 	"extends": "../tsconfig.base.json",
 	"compilerOptions": {
 		"outDir": "./out",
-		"downlevelIteration": true,
 		"types": [
 			"node"
 		]
diff --git a/extensions/tunnel-forwarding/tsconfig.json b/extensions/tunnel-forwarding/tsconfig.json
index 4769a9faec8..efd9a54dbfa 100644
--- a/extensions/tunnel-forwarding/tsconfig.json
+++ b/extensions/tunnel-forwarding/tsconfig.json
@@ -2,7 +2,6 @@
 	"extends": "../tsconfig.base.json",
 	"compilerOptions": {
 		"outDir": "./out",
-		"downlevelIteration": true,
 		"types": [
 			"node"
 		]