diff --git a/types/atom/atom-tests.ts b/types/atom/atom-tests.ts
index feb6d9fe31..9a04b9c7b6 100644
--- a/types/atom/atom-tests.ts
+++ b/types/atom/atom-tests.ts
@@ -17,7 +17,6 @@ declare const mouseEvent: MouseEvent;
 
 declare let buffer: Atom.TextBuffer;
 declare const color: Atom.Color;
-declare let maybeCursor: Atom.Cursor | undefined;
 declare let cursor: Atom.Cursor;
 declare let cursors: Atom.Cursor[];
 declare let decoration: Atom.Decoration;
@@ -2790,7 +2789,7 @@ function testTextEditor() {
     editor.moveToBeginningOfPreviousParagraph();
     editor.selectLargerSyntaxNode();
     editor.selectSmallerSyntaxNode();
-    maybeCursor = editor.getLastCursor();
+    cursor = editor.getLastCursor();
 
     str = editor.getWordUnderCursor();
     str = editor.getWordUnderCursor({});
diff --git a/types/atom/index.d.ts b/types/atom/index.d.ts
index 3e2b8f33d5..fb230420c0 100644
--- a/types/atom/index.d.ts
+++ b/types/atom/index.d.ts
@@ -1939,7 +1939,7 @@ export class TextEditor {
     moveToBeginningOfPreviousParagraph(): void;
 
     /** Returns the most recently added Cursor. */
-    getLastCursor(): Cursor | undefined;
+    getLastCursor(): Cursor;
 
     /** Returns the word surrounding the most recently added cursor. */
     getWordUnderCursor(options?: {