diff --git a/tests/baselines/reference/unusedTypeParameters10.errors.txt b/tests/baselines/reference/unusedTypeParameters10.errors.txt
new file mode 100644
index 00000000000..7bfd5676df3
--- /dev/null
+++ b/tests/baselines/reference/unusedTypeParameters10.errors.txt
@@ -0,0 +1,9 @@
+tests/cases/compiler/unusedTypeParameters10.ts(1,12): error TS6133: 'T' is declared but never used.
+
+
+==== tests/cases/compiler/unusedTypeParameters10.ts (1 errors) ====
+    type Alias<T> = { };
+               ~
+!!! error TS6133: 'T' is declared but never used.
+    type Alias2<T> = { x: T };
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/unusedTypeParameters10.js b/tests/baselines/reference/unusedTypeParameters10.js
new file mode 100644
index 00000000000..5738e6f48e8
--- /dev/null
+++ b/tests/baselines/reference/unusedTypeParameters10.js
@@ -0,0 +1,6 @@
+//// [unusedTypeParameters10.ts]
+type Alias<T> = { };
+type Alias2<T> = { x: T };
+
+
+//// [unusedTypeParameters10.js]
diff --git a/tests/cases/compiler/unusedTypeParameters10.ts b/tests/cases/compiler/unusedTypeParameters10.ts
new file mode 100644
index 00000000000..cda482e5bdc
--- /dev/null
+++ b/tests/cases/compiler/unusedTypeParameters10.ts
@@ -0,0 +1,5 @@
+//@noUnusedLocals:true
+//@noUnusedParameters:true
+
+type Alias<T> = { };
+type Alias2<T> = { x: T };