diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 4418b6c922c..235b10e4cf1 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -4542,7 +4542,7 @@ namespace ts {
     }
 
     /** Gets all JSDoc tags of a specified kind, or undefined if not present. */
-    export function getAllJSDocTagsOfKind(node: Node, kind: SyntaxKind): ReadonlyArray<JSDocTag> | undefined {
+    export function getAllJSDocTagsOfKind(node: Node, kind: SyntaxKind): ReadonlyArray<JSDocTag> {
         return getJSDocTags(node).filter(doc => doc.kind === kind);
     }
 }
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 0f56329ddf9..4bc0f5160d2 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -3037,7 +3037,7 @@ declare namespace ts {
     /** Get all JSDoc tags related to a node, including those on parent nodes. */
     function getJSDocTags(node: Node): ReadonlyArray<JSDocTag>;
     /** Gets all JSDoc tags of a specified kind, or undefined if not present. */
-    function getAllJSDocTagsOfKind(node: Node, kind: SyntaxKind): ReadonlyArray<JSDocTag> | undefined;
+    function getAllJSDocTagsOfKind(node: Node, kind: SyntaxKind): ReadonlyArray<JSDocTag>;
 }
 declare namespace ts {
     function isNumericLiteral(node: Node): node is NumericLiteral;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index 8fd304658a8..1f64dd12ab8 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -3092,7 +3092,7 @@ declare namespace ts {
     /** Get all JSDoc tags related to a node, including those on parent nodes. */
     function getJSDocTags(node: Node): ReadonlyArray<JSDocTag>;
     /** Gets all JSDoc tags of a specified kind, or undefined if not present. */
-    function getAllJSDocTagsOfKind(node: Node, kind: SyntaxKind): ReadonlyArray<JSDocTag> | undefined;
+    function getAllJSDocTagsOfKind(node: Node, kind: SyntaxKind): ReadonlyArray<JSDocTag>;
 }
 declare namespace ts {
     function isNumericLiteral(node: Node): node is NumericLiteral;