diff --git a/commafeed-server/dev/EclipseCodeFormatter.xml b/commafeed-server/dev/EclipseCodeFormatter.xml
index e4c593d3..39602cac 100644
--- a/commafeed-server/dev/EclipseCodeFormatter.xml
+++ b/commafeed-server/dev/EclipseCodeFormatter.xml
@@ -65,7 +65,7 @@
         <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_annotation" value="do not insert"/>
         <setting id="org.eclipse.jdt.core.formatter.alignment_for_arguments_in_explicit_constructor_call" value="16"/>
         <setting id="org.eclipse.jdt.core.formatter.alignment_for_multiplicative_operator" value="16"/>
-        <setting id="org.eclipse.jdt.core.formatter.keep_anonymous_type_declaration_on_one_line" value="one_line_never"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_anonymous_type_declaration_on_one_line" value="one_line_if_empty"/>
         <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_switch_case_expressions" value="insert"/>
         <setting id="org.eclipse.jdt.core.formatter.wrap_before_shift_operator" value="true"/>
         <setting id="org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_annotation_declaration_header" value="true"/>
@@ -261,7 +261,7 @@
         <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_record_constructor" value="insert"/>
         <setting id="org.eclipse.jdt.core.formatter.insert_space_before_relational_operator" value="insert"/>
         <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_superinterfaces" value="insert"/>
-        <setting id="org.eclipse.jdt.core.formatter.keep_record_declaration_on_one_line" value="one_line_never"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_record_declaration_on_one_line" value="one_line_if_empty"/>
         <setting id="org.eclipse.jdt.core.formatter.insert_space_before_colon_in_default" value="do not insert"/>
         <setting id="org.eclipse.jdt.core.formatter.insert_space_after_question_in_conditional" value="insert"/>
         <setting id="org.eclipse.jdt.core.formatter.brace_position_for_constructor_declaration" value="end_of_line"/>
diff --git a/commafeed-server/dev/checkstyle.xml b/commafeed-server/dev/checkstyle.xml
index e9315ac8..46f4fbdb 100644
--- a/commafeed-server/dev/checkstyle.xml
+++ b/commafeed-server/dev/checkstyle.xml
@@ -118,7 +118,9 @@
 			<property name="message" value="Line has leading space characters; indentation should be performed with tabs only." />
 			<property name="ignoreComments" value="true" />
 		</module>
-		<module name="WhitespaceAround" />
+		<module name="WhitespaceAround">
+			<property name="allowEmptyTypes" value="true" />
+		</module>
 
 	</module>
 </module>
diff --git a/commafeed-server/src/main/java/com/commafeed/ExceptionMappers.java b/commafeed-server/src/main/java/com/commafeed/ExceptionMappers.java
index f304fb29..752738c2 100644
--- a/commafeed-server/src/main/java/com/commafeed/ExceptionMappers.java
+++ b/commafeed-server/src/main/java/com/commafeed/ExceptionMappers.java
@@ -42,14 +42,11 @@ public class ExceptionMappers {
 	}
 
 	@RegisterForReflection
-	public record UnauthorizedResponse(String message, boolean allowRegistrations) {
-	}
+	public record UnauthorizedResponse(String message, boolean allowRegistrations) {}
 
 	@RegisterForReflection
-	public record AuthenticationFailed(String message) {
-	}
+	public record AuthenticationFailed(String message) {}
 
 	@RegisterForReflection
-	public record ValidationFailed(String message) {
-	}
+	public record ValidationFailed(String message) {}
 }
diff --git a/commafeed-server/src/main/java/com/commafeed/backend/HttpGetter.java b/commafeed-server/src/main/java/com/commafeed/backend/HttpGetter.java
index 9c0a9783..76bf5609 100644
--- a/commafeed-server/src/main/java/com/commafeed/backend/HttpGetter.java
+++ b/commafeed-server/src/main/java/com/commafeed/backend/HttpGetter.java
@@ -300,11 +300,9 @@ public class HttpGetter {
 	}
 
 	private record HttpResponse(int code, String lastModifiedHeader, String eTagHeader, CacheControl cacheControl, Instant retryAfter,
-			byte[] content, String contentType, String urlAfterRedirect) {
-	}
+			byte[] content, String contentType, String urlAfterRedirect) {}
 
 	public record HttpResult(byte[] content, String contentType, String lastModifiedSince, String eTag, String urlAfterRedirect,
-			Duration validFor) {
-	}
+			Duration validFor) {}
 
 }
diff --git a/commafeed-server/src/main/java/com/commafeed/backend/dao/FeedEntryDAO.java b/commafeed-server/src/main/java/com/commafeed/backend/dao/FeedEntryDAO.java
index ab2df2ca..a9bf5841 100644
--- a/commafeed-server/src/main/java/com/commafeed/backend/dao/FeedEntryDAO.java
+++ b/commafeed-server/src/main/java/com/commafeed/backend/dao/FeedEntryDAO.java
@@ -94,6 +94,5 @@ public class FeedEntryDAO extends GenericDAO<FeedEntry> {
 		return delete(query.fetch());
 	}
 
-	public record FeedCapacity(Long id, Long capacity) {
-	}
+	public record FeedCapacity(Long id, Long capacity) {}
 }
diff --git a/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedFetcher.java b/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedFetcher.java
index bd041cc8..f9b5d77d 100644
--- a/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedFetcher.java
+++ b/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedFetcher.java
@@ -104,8 +104,7 @@ public class FeedFetcher {
 	}
 
 	public record FeedFetcherResult(FeedParserResult feed, String urlAfterRedirect, String lastModifiedHeader, String lastETagHeader,
-			String contentHash, Duration validFor) {
-	}
+			String contentHash, Duration validFor) {}
 
 	public static class NoFeedFoundException extends Exception {
 		private static final long serialVersionUID = 1L;
diff --git a/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedRefreshUpdater.java b/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedRefreshUpdater.java
index c3a400d0..9d6fd7ec 100644
--- a/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedRefreshUpdater.java
+++ b/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedRefreshUpdater.java
@@ -163,10 +163,8 @@ public class FeedRefreshUpdater {
 		return new FeedRefreshUpdaterResult(insertedUnreadEntriesBySubscription);
 	}
 
-	private record AddEntryResult(boolean processed, FeedEntry insertedEntry, Set<FeedSubscription> subscriptionsForWhichEntryIsUnread) {
-	}
+	private record AddEntryResult(boolean processed, FeedEntry insertedEntry, Set<FeedSubscription> subscriptionsForWhichEntryIsUnread) {}
 
-	public record FeedRefreshUpdaterResult(Map<FeedSubscription, List<FeedEntry>> insertedUnreadEntriesBySubscription) {
-	}
+	public record FeedRefreshUpdaterResult(Map<FeedSubscription, List<FeedEntry>> insertedUnreadEntriesBySubscription) {}
 
 }
diff --git a/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedRefreshWorker.java b/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedRefreshWorker.java
index 9090833f..0e98aeac 100644
--- a/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedRefreshWorker.java
+++ b/commafeed-server/src/main/java/com/commafeed/backend/feed/FeedRefreshWorker.java
@@ -119,7 +119,6 @@ public class FeedRefreshWorker {
 		}
 	}
 
-	public record FeedRefreshWorkerResult(Feed feed, List<Entry> entries) {
-	}
+	public record FeedRefreshWorkerResult(Feed feed, List<Entry> entries) {}
 
 }
diff --git a/commafeed-server/src/main/java/com/commafeed/backend/feed/parser/FeedParserResult.java b/commafeed-server/src/main/java/com/commafeed/backend/feed/parser/FeedParserResult.java
index 6e4e3c29..3af00601 100644
--- a/commafeed-server/src/main/java/com/commafeed/backend/feed/parser/FeedParserResult.java
+++ b/commafeed-server/src/main/java/com/commafeed/backend/feed/parser/FeedParserResult.java
@@ -5,16 +5,11 @@ import java.util.List;
 
 public record FeedParserResult(String title, String link, Instant lastPublishedDate, Long averageEntryInterval, Instant lastEntryDate,
 		List<Entry> entries) {
-	public record Entry(String guid, String url, Instant published, Content content) {
-	}
+	public record Entry(String guid, String url, Instant published, Content content) {}
 
-	public record Content(String title, String content, String author, String categories, Enclosure enclosure, Media media) {
-	}
+	public record Content(String title, String content, String author, String categories, Enclosure enclosure, Media media) {}
 
-	public record Enclosure(String url, String type) {
-	}
-
-	public record Media(String description, String thumbnailUrl, Integer thumbnailWidth, Integer thumbnailHeight) {
-	}
+	public record Enclosure(String url, String type) {}
 
+	public record Media(String description, String thumbnailUrl, Integer thumbnailWidth, Integer thumbnailHeight) {}
 }
diff --git a/commafeed-server/src/test/java/com/commafeed/integration/rest/FeverIT.java b/commafeed-server/src/test/java/com/commafeed/integration/rest/FeverIT.java
index 1e0bedc1..5b6c1417 100644
--- a/commafeed-server/src/test/java/com/commafeed/integration/rest/FeverIT.java
+++ b/commafeed-server/src/test/java/com/commafeed/integration/rest/FeverIT.java
@@ -199,6 +199,5 @@ class FeverIT extends BaseIT {
 		}
 	}
 
-	private record Param(String name, String value) {
-	}
+	private record Param(String name, String value) {}
 }