diff --git a/packages/grafana-prometheus/src/components/PromQueryEditorByApp.test.tsx b/packages/grafana-prometheus/src/components/PromQueryEditorByApp.test.tsx
index ed268f86621..ee2c7613b69 100644
--- a/packages/grafana-prometheus/src/components/PromQueryEditorByApp.test.tsx
+++ b/packages/grafana-prometheus/src/components/PromQueryEditorByApp.test.tsx
@@ -26,7 +26,6 @@ function setup(app: CoreApp): { onRunQuery: jest.Mock } {
   const dataSource = {
     getPrometheusTime: jest.fn((date, roundup) => 123),
     getQueryHints: jest.fn(() => []),
-    getDebounceTimeInMilliseconds: jest.fn(() => 300),
     languageProvider: {
       start: () => Promise.resolve([]),
       syntax: () => {},
diff --git a/packages/grafana-prometheus/src/querybuilder/components/MetricsLabelsSection.test.tsx b/packages/grafana-prometheus/src/querybuilder/components/MetricsLabelsSection.test.tsx
index 50c6ecac011..3b80e9ef901 100644
--- a/packages/grafana-prometheus/src/querybuilder/components/MetricsLabelsSection.test.tsx
+++ b/packages/grafana-prometheus/src/querybuilder/components/MetricsLabelsSection.test.tsx
@@ -23,7 +23,6 @@ const createMockDatasource = () => {
     getVariables: jest.fn().mockReturnValue(['$var1', '$var2']),
     interpolateString: jest.fn((str) => str),
     hasLabelsMatchAPISupport: jest.fn().mockReturnValue(true),
-    getDebounceTimeInMilliseconds: jest.fn().mockReturnValue(300),
     lookupsDisabled: false,
     languageProvider: {
       fetchLabels: jest.fn().mockResolvedValue({}),
@@ -126,7 +125,7 @@ describe('MetricsLabelsSection', () => {
     // Check that LabelFilters was called with correct props
     expect(LabelFilters).toHaveBeenCalledWith(
       expect.objectContaining({
-        debounceDuration: 300,
+        debounceDuration: 350,
         labelsFilters: defaultQuery.labels,
         variableEditor: undefined,
       }),