diff --git a/debian/changelog b/debian/changelog
index b253b59..a89542c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,21 @@
+findbugs (3.1.0~preview2-4) UNRELEASED; urgency=medium
+
+  * Remove constraints unnecessary since buster (oldstable):
+    + libfindbugs-java: Drop conflict with removed package findbugs (<< 3.1.0~)
+      in Replaces.
+    + libfindbugs-java: Drop conflict with removed package findbugs (<< 3.1.0~)
+      in Breaks.
+    + libfindbugs-annotations-java: Drop conflict with removed package findbugs
+      (<< 3.1.0~) in Replaces.
+    + libfindbugs-annotations-java: Drop conflict with removed package findbugs
+      (<< 3.1.0~) in Breaks.
+    + libfindbugs-ant-java: Drop conflict with removed package findbugs (<<
+      3.1.0~) in Replaces.
+    + libfindbugs-ant-java: Drop conflict with removed package findbugs (<<
+      3.1.0~) in Breaks.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Wed, 21 Dec 2022 05:12:24 -0000
+
 findbugs (3.1.0~preview2-3) unstable; urgency=medium
 
   * Team upload.
diff --git a/debian/control b/debian/control
index 0265b55..e0bb424 100644
--- a/debian/control
+++ b/debian/control
@@ -52,8 +52,6 @@
          libjcip-annotations-java, libjsr305-java,
          libjformatstring-java (>= 0.10~20131207-2~),
          ${misc:Depends}
-Breaks: findbugs (<< 3.1.0~)
-Replaces: findbugs (<< 3.1.0~)
 Description: Static java code analyzer to find bugs (Library)
  FindBugs is a program which uses static analysis to look for bugs in Java
  code. It can analyze programs compiled for any version of Java, from 1.0
@@ -64,8 +62,6 @@
 Package: libfindbugs-annotations-java
 Architecture: all
 Depends: ${misc:Depends}
-Breaks: findbugs (<< 3.1.0~)
-Replaces: findbugs (<< 3.1.0~)
 Description: Static java code analyzer to find bugs (Annotations)
  FindBugs is a program which uses static analysis to look for bugs in Java
  code. It can analyze programs compiled for any version of Java, from 1.0
@@ -76,8 +72,6 @@
 Package: libfindbugs-ant-java
 Architecture: all
 Depends: libfindbugs-java, ${misc:Depends}
-Breaks: findbugs (<< 3.1.0~)
-Replaces: findbugs (<< 3.1.0~)
 Description: Static java code analyzer to find bugs (Ant tasks)
  FindBugs is a program which uses static analysis to look for bugs in Java
  code. It can analyze programs compiled for any version of Java, from 1.0