diff --git a/pkg/services/librarypanels/models.go b/pkg/services/librarypanels/models.go
index 041dabc4257..30560b828dd 100644
--- a/pkg/services/librarypanels/models.go
+++ b/pkg/services/librarypanels/models.go
@@ -26,8 +26,6 @@ type LibraryPanel struct {
 var (
 	// errLibraryPanelAlreadyAdded is an error when you add a library panel that already exists.
 	errLibraryPanelAlreadyAdded = fmt.Errorf("library panel with that title already exists")
-	// errLibraryPanelNotFound is an error for an unknown library panel definition.
-	errLibraryPanelNotFound = fmt.Errorf("could not find library panel definition")
 )
 
 // Commands
diff --git a/public/test/matchers/toEmitValues.test.ts b/public/test/matchers/toEmitValues.test.ts
index c2b5fc73751..5106353f686 100644
--- a/public/test/matchers/toEmitValues.test.ts
+++ b/public/test/matchers/toEmitValues.test.ts
@@ -137,12 +137,3 @@ describe('toEmitValues matcher', () => {
     });
   });
 });
-
-describe.only('demo testing observables', () => {
-  it('toEmitValues demo', async () => {
-    const observable = of(1, 'a', 'I');
-  });
-  it('toEmitValuesWith demo', async () => {
-    const observable = of(1, 'a', 'I');
-  });
-});