diff --git a/cli/args/config_file.rs b/cli/args/config_file.rs
index 8e6b151a67..bead2a284e 100644
--- a/cli/args/config_file.rs
+++ b/cli/args/config_file.rs
@@ -105,6 +105,7 @@ pub const IGNORED_COMPILER_OPTIONS: &[&str] = &[
   "emitBOM",
   "emitDeclarationOnly",
   "esModuleInterop",
+  "experimentalDecorators",
   "extendedDiagnostics",
   "forceConsistentCasingInFileNames",
   "generateCpuProfile",
@@ -120,6 +121,7 @@ pub const IGNORED_COMPILER_OPTIONS: &[&str] = &[
   "mapRoot",
   "maxNodeModuleJsDepth",
   "module",
+  "moduleDetection",
   "moduleResolution",
   "newLine",
   "noEmit",
diff --git a/cli/tests/integration/run_tests.rs b/cli/tests/integration/run_tests.rs
index 6ed1d59648..96e4cfce50 100644
--- a/cli/tests/integration/run_tests.rs
+++ b/cli/tests/integration/run_tests.rs
@@ -659,7 +659,6 @@ itest!(async_error {
 
 itest!(config {
   args: "run --reload --config config.tsconfig.json --check config.ts",
-  exit_code: 1,
   output: "config.ts.out",
 });
 
@@ -1042,7 +1041,7 @@ itest!(ts_type_imports {
 });
 
 itest!(ts_decorators {
-  args: "run --reload -c tsconfig.decorators.json --check ts_decorators.ts",
+  args: "run --reload --check ts_decorators.ts",
   output: "ts_decorators.ts.out",
 });
 
diff --git a/cli/tests/testdata/config.ts b/cli/tests/testdata/config.ts
index cd7a1b33f7..51a61e447c 100644
--- a/cli/tests/testdata/config.ts
+++ b/cli/tests/testdata/config.ts
@@ -1,18 +1,5 @@
-// deno-lint-ignore-file
-
-function b() {
-  return function (
-    _target: any,
-    _propertyKey: string,
-    _descriptor: PropertyDescriptor,
-  ) {
-    console.log("b");
-  };
+function foo(bar) {
+  return bar;
 }
 
-class A {
-  @b()
-  a() {
-    console.log("a");
-  }
-}
+foo(1);
diff --git a/cli/tests/testdata/config.ts.out b/cli/tests/testdata/config.ts.out
index 76e357a736..44b123f976 100644
--- a/cli/tests/testdata/config.ts.out
+++ b/cli/tests/testdata/config.ts.out
@@ -1,8 +1,4 @@
 [WILDCARD]Unsupported compiler options in "[WILDCARD]config.tsconfig.json".
   The following options were ignored:
     module, target
-[WILDCARD]
-error: TS1219 [ERROR]: Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option in your 'tsconfig' or 'jsconfig' to remove this warning.
-  a() {
-  ^
-    at file:///[WILDCARD]/config.ts:[WILDCARD]
+Check [WILDCARD]/config.ts
diff --git a/cli/tests/testdata/config.tsconfig.json b/cli/tests/testdata/config.tsconfig.json
index dcabb50a4a..0f08819203 100644
--- a/cli/tests/testdata/config.tsconfig.json
+++ b/cli/tests/testdata/config.tsconfig.json
@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
-    "experimentalDecorators": false,
     "module": "amd",
+    "strict": false,
     "target": "es5"
   }
 }
diff --git a/cli/tests/testdata/tsconfig.decorators.json b/cli/tests/testdata/tsconfig.decorators.json
deleted file mode 100644
index 504cd646e1..0000000000
--- a/cli/tests/testdata/tsconfig.decorators.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "compilerOptions": {
-    "experimentalDecorators": true
-  }
-}