diff --git a/tests/baselines/reference/controlFlowOptionalChain.types b/tests/baselines/reference/controlFlowOptionalChain.types
index 4e335fca6d287..b144ef2954430 100644
--- a/tests/baselines/reference/controlFlowOptionalChain.types
+++ b/tests/baselines/reference/controlFlowOptionalChain.types
@@ -2057,11 +2057,11 @@ while (arr[i]?.tag === "left") {
 
     if (arr[i]?.tag === "right") {
 >arr[i]?.tag === "right" : boolean
->arr[i]?.tag : "left" | "right"
+>arr[i]?.tag : "left"
 >arr[i] : { tag: "left" | "right"; }
 >arr : { tag: "left" | "right"; }[]
 >i : number
->tag : "left" | "right"
+>tag : "left"
 >"right" : "right"
 
         console.log("I should ALSO be reachable");
diff --git a/tests/baselines/reference/incrementOnNullAssertion.types b/tests/baselines/reference/incrementOnNullAssertion.types
index 0c7f5340b9f9a..199c4c87050f8 100644
--- a/tests/baselines/reference/incrementOnNullAssertion.types
+++ b/tests/baselines/reference/incrementOnNullAssertion.types
@@ -27,21 +27,21 @@ if (foo[x] === undefined) {
 }
 else {
     let nu = foo[x]
->nu : number | undefined
->foo[x] : number | undefined
+>nu : number
+>foo[x] : number
 >foo : Dictionary<number>
 >x : "bar"
 
     let n = foo[x]
->n : number | undefined
->foo[x] : number | undefined
+>n : number
+>foo[x] : number
 >foo : Dictionary<number>
 >x : "bar"
 
     foo[x]!++
 >foo[x]!++ : number
 >foo[x]! : number
->foo[x] : number | undefined
+>foo[x] : number
 >foo : Dictionary<number>
 >x : "bar"
 }
diff --git a/tests/baselines/reference/noUncheckedIndexedAccess.errors.txt b/tests/baselines/reference/noUncheckedIndexedAccess.errors.txt
index 39a4e9aeb4442..ff6d730d3cdc9 100644
--- a/tests/baselines/reference/noUncheckedIndexedAccess.errors.txt
+++ b/tests/baselines/reference/noUncheckedIndexedAccess.errors.txt
@@ -32,8 +32,7 @@ tests/cases/conformance/pedantic/noUncheckedIndexedAccess.ts(90,7): error TS2322
   Type 'undefined' is not assignable to type 'string'.
 tests/cases/conformance/pedantic/noUncheckedIndexedAccess.ts(98,5): error TS2322: Type 'undefined' is not assignable to type '{ [key: string]: string; a: string; b: string; }[Key]'.
   Type 'undefined' is not assignable to type 'string'.
-tests/cases/conformance/pedantic/noUncheckedIndexedAccess.ts(99,11): error TS2322: Type 'string | undefined' is not assignable to type 'string'.
-  Type 'undefined' is not assignable to type 'string'.
+tests/cases/conformance/pedantic/noUncheckedIndexedAccess.ts(99,11): error TS2322: Type 'undefined' is not assignable to type 'string'.
 
 
 ==== tests/cases/conformance/pedantic/noUncheckedIndexedAccess.ts (31 errors) ====
@@ -201,8 +200,7 @@ tests/cases/conformance/pedantic/noUncheckedIndexedAccess.ts(99,11): error TS232
 !!! error TS2322:   Type 'undefined' is not assignable to type 'string'.
         const v: string = myRecord2[key]; // Should error
               ~
-!!! error TS2322: Type 'string | undefined' is not assignable to type 'string'.
-!!! error TS2322:   Type 'undefined' is not assignable to type 'string'.
+!!! error TS2322: Type 'undefined' is not assignable to type 'string'.
     };
     
     
\ No newline at end of file
diff --git a/tests/baselines/reference/noUncheckedIndexedAccess.types b/tests/baselines/reference/noUncheckedIndexedAccess.types
index 9dc76ff0d887a..e472de4eb5482 100644
--- a/tests/baselines/reference/noUncheckedIndexedAccess.types
+++ b/tests/baselines/reference/noUncheckedIndexedAccess.types
@@ -412,7 +412,7 @@ const fn3 = <Key extends keyof typeof myRecord2>(key: Key) => {
 
     const v: string = myRecord2[key]; // Should error
 >v : string
->myRecord2[key] : string | undefined
+>myRecord2[key] : undefined
 >myRecord2 : { [key: string]: string; a: string; b: string; }
 >key : Key