diff --git a/src/services/utilities.ts b/src/services/utilities.ts
index e2101de2a7ba3..e20f049ab8366 100644
--- a/src/services/utilities.ts
+++ b/src/services/utilities.ts
@@ -1259,7 +1259,7 @@ namespace ts {
     export function findPrecedingToken(position: number, sourceFile: SourceFileLike, startNode: Node, excludeJsdoc?: boolean): Node | undefined;
     export function findPrecedingToken(position: number, sourceFile: SourceFile, startNode?: Node, excludeJsdoc?: boolean): Node | undefined;
     export function findPrecedingToken(position: number, sourceFile: SourceFileLike, startNode?: Node, excludeJsdoc?: boolean): Node | undefined {
-        const result = find(startNode! || sourceFile);
+        const result = find((startNode || sourceFile) as Node);
         Debug.assert(!(result && isWhiteSpaceOnlyJsxText(result)));
         return result;
 
diff --git a/tests/cases/fourslash/server/formatOnOpenCurlyBraceIndentation.ts b/tests/cases/fourslash/server/formatOnOpenCurlyBraceIndentation.ts
deleted file mode 100644
index 6141f2886de37..0000000000000
--- a/tests/cases/fourslash/server/formatOnOpenCurlyBraceIndentation.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-/// <reference path="../fourslash.ts"/>
-
-//// if (foo) {
-////     if (bar) {/**/}
-//// }
-
-goTo.marker("");
-format.onType("", "{");
-// format.document();
-verify.currentFileContentIs(
-`if (foo) {
-    if (bar) { }
-}`);