diff --git a/pkg/tsdb/azuremonitor/azuremonitor-datasource.go b/pkg/tsdb/azuremonitor/azuremonitor-datasource.go
index 3405c3bbd1f..079910e1b66 100644
--- a/pkg/tsdb/azuremonitor/azuremonitor-datasource.go
+++ b/pkg/tsdb/azuremonitor/azuremonitor-datasource.go
@@ -285,6 +285,9 @@ func (e *AzureMonitorDatasource) parseResponse(queryRes *tsdb.QueryResult, data
 	return nil
 }
 
+// findClosestAllowedIntervalMs is used for the auto time grain setting.
+// It finds the closest time grain from the list of allowed time grains for Azure Monitor
+// using the Grafana interval in milliseconds
 func (e *AzureMonitorDatasource) findClosestAllowedIntervalMs(intervalMs int64) int64 {
 	closest := allowedIntervalsMS[0]
 
@@ -299,3 +302,11 @@ func (e *AzureMonitorDatasource) findClosestAllowedIntervalMs(intervalMs int64)
 	}
 	return closest
 }
+
+// formatLegendKey builds the legend key or timeseries name
+func formatLegendKey(resourceName string, metricName string, metadataName string, metadataValue string) string {
+	if len(metadataName) > 0 {
+		return fmt.Sprintf("%s{%s=%s}.%s", resourceName, metadataName, metadataValue, metricName)
+	}
+	return fmt.Sprintf("%s.%s", resourceName, metricName)
+}
diff --git a/pkg/tsdb/azuremonitor/legend-key.go b/pkg/tsdb/azuremonitor/legend-key.go
deleted file mode 100644
index 7d5cdbbcdd3..00000000000
--- a/pkg/tsdb/azuremonitor/legend-key.go
+++ /dev/null
@@ -1,11 +0,0 @@
-package azuremonitor
-
-import "fmt"
-
-// formatLegendKey builds the legend key or timeseries name
-func formatLegendKey(resourceName string, metricName string, metadataName string, metadataValue string) string {
-	if len(metadataName) > 0 {
-		return fmt.Sprintf("%s{%s=%s}.%s", resourceName, metadataName, metadataValue, metricName)
-	}
-	return fmt.Sprintf("%s.%s", resourceName, metricName)
-}