diff --git a/library/Reporting/Database.php b/library/Reporting/Database.php
index 24b28fc..2e9d551 100644
--- a/library/Reporting/Database.php
+++ b/library/Reporting/Database.php
@@ -29,33 +29,54 @@ protected function getDb(): RetryConnection
         return new RetryConnection($config);
     }
 
-    protected function listTimeframes()
+    /**
+     * List all reporting timeframes
+     *
+     * @return array<int, string>
+     */
+    protected function listTimeframes(): array
     {
-        $select = (new Sql\Select())
-            ->from('timeframe')
-            ->columns(['id', 'name']);
-
-        $timeframes = [];
-        /** @var stdClass $row */
-        foreach ($this->getDb()->select($select) as $row) {
-            $timeframes[$row->id] = $row->name;
-        }
-
-        return $timeframes;
+        return $this->list(
+            (new Sql\Select())
+                ->from('timeframe')
+                ->columns(['id', 'name'])
+        );
     }
 
-    protected function listTemplates()
+    /**
+     * List all reporting templates
+     *
+     * @return array<int, string>
+     */
+    protected function listTemplates(): array
     {
-        $select = (new Sql\Select())
-            ->from('template')
-            ->columns(['id', 'name']);
+        return $this->list(
+            (new Sql\Select())
+                ->from('template')
+                ->columns(['id', 'name'])
+        );
+    }
 
-        $templates = [];
+    /**
+     * Helper method for list templates and timeframes
+     *
+     * @param Sql\Select $select
+     *
+     * @return array<int, string>
+     */
+    private function list(Sql\Select $select): array
+    {
+        $result = [];
         /** @var stdClass $row */
         foreach ($this->getDb()->select($select) as $row) {
-            $templates[$row->id] = $row->name;
+            /** @var int $id */
+            $id = $row->id;
+            /** @var string $name */
+            $name = $row->name;
+
+            $result[$id] = $name;
         }
 
-        return $templates;
+        return $result;
     }
 }
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index fa9a09b..c971c03 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -135,16 +135,6 @@ parameters:
 			count: 1
 			path: application/controllers/ReportController.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\ReportController\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/ReportController.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\ReportController\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/ReportController.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\ReportController\\:\\:scheduleAction\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -170,16 +160,6 @@ parameters:
 			count: 1
 			path: application/controllers/ReportsController.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\ReportsController\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/ReportsController.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\ReportsController\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/ReportsController.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\ReportsController\\:\\:newAction\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -195,16 +175,6 @@ parameters:
 			count: 1
 			path: application/controllers/TemplateController.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TemplateController\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/TemplateController.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TemplateController\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/TemplateController.php
-
 		-
 			message: "#^Parameter \\#2 \\$value of static method ipl\\\\Stdlib\\\\Filter\\:\\:equal\\(\\) expects array\\|bool\\|float\\|int\\|string, mixed given\\.$#"
 			count: 1
@@ -220,16 +190,6 @@ parameters:
 			count: 1
 			path: application/controllers/TemplatesController.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TemplatesController\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/TemplatesController.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TemplatesController\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/TemplatesController.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TemplatesController\\:\\:newAction\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -240,16 +200,6 @@ parameters:
 			count: 1
 			path: application/controllers/TimeframeController.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TimeframeController\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/TimeframeController.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TimeframeController\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/TimeframeController.php
-
 		-
 			message: "#^Parameter \\#2 \\$value of static method ipl\\\\Stdlib\\\\Filter\\:\\:equal\\(\\) expects array\\|bool\\|float\\|int\\|string, mixed given\\.$#"
 			count: 1
@@ -290,16 +240,6 @@ parameters:
 			count: 1
 			path: application/controllers/TimeframesController.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TimeframesController\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/TimeframesController.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TimeframesController\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: application/controllers/TimeframesController.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Controllers\\\\TimeframesController\\:\\:newAction\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -355,16 +295,6 @@ parameters:
 			count: 1
 			path: library/Reporting/Cli/Command.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Cli\\\\Command\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Cli/Command.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Cli\\\\Command\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Cli/Command.php
-
 		-
 			message: "#^Property Icinga\\\\Module\\\\Reporting\\\\Cli\\\\Command\\:\\:\\$configs has no type specified\\.$#"
 			count: 1
@@ -580,16 +510,6 @@ parameters:
 			count: 2
 			path: library/Reporting/Report.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Report\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Report.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Report\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Report.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Report\\:\\:providesData\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -890,16 +810,6 @@ parameters:
 			count: 1
 			path: library/Reporting/Timeframe.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Timeframe\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Timeframe.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Timeframe\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Timeframe.php
-
 		-
 			message: "#^Property Icinga\\\\Module\\\\Reporting\\\\Timeframe\\:\\:\\$end \\(string\\) does not accept mixed\\.$#"
 			count: 1
@@ -945,16 +855,6 @@ parameters:
 			count: 1
 			path: library/Reporting/Web/Forms/ReportForm.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\ReportForm\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/ReportForm.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\ReportForm\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/ReportForm.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\ReportForm\\:\\:onSuccess\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -990,16 +890,6 @@ parameters:
 			count: 1
 			path: library/Reporting/Web/Forms/ScheduleForm.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\ScheduleForm\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/ScheduleForm.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\ScheduleForm\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/ScheduleForm.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\ScheduleForm\\:\\:onSuccess\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -1020,16 +910,6 @@ parameters:
 			count: 1
 			path: library/Reporting/Web/Forms/SendForm.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\SendForm\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/SendForm.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\SendForm\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/SendForm.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\SendForm\\:\\:onSuccess\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -1075,16 +955,6 @@ parameters:
 			count: 1
 			path: library/Reporting/Web/Forms/TemplateForm.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\TemplateForm\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/TemplateForm.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\TemplateForm\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/TemplateForm.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\TemplateForm\\:\\:onSuccess\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -1100,16 +970,6 @@ parameters:
 			count: 1
 			path: library/Reporting/Web/Forms/TimeframeForm.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\TimeframeForm\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/TimeframeForm.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\TimeframeForm\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Forms/TimeframeForm.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Forms\\\\TimeframeForm\\:\\:onSuccess\\(\\) has no return type specified\\.$#"
 			count: 1
@@ -1285,16 +1145,6 @@ parameters:
 			count: 1
 			path: library/Reporting/Web/Widget/Template.php
 
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Widget\\\\Template\\:\\:listTemplates\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Widget/Template.php
-
-		-
-			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Widget\\\\Template\\:\\:listTimeframes\\(\\) has no return type specified\\.$#"
-			count: 1
-			path: library/Reporting/Web/Widget/Template.php
-
 		-
 			message: "#^Method Icinga\\\\Module\\\\Reporting\\\\Web\\\\Widget\\\\Template\\:\\:resolveMacros\\(\\) has no return type specified\\.$#"
 			count: 1