diff --git a/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/codestyle/UnnecessaryConstructorRule.java b/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/codestyle/UnnecessaryConstructorRule.java
index 3f14330852..5eebfec8fd 100644
--- a/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/codestyle/UnnecessaryConstructorRule.java
+++ b/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/codestyle/UnnecessaryConstructorRule.java
@@ -6,7 +6,6 @@ package net.sourceforge.pmd.lang.java.rule.codestyle;
 
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.List;
 
 import org.checkerframework.checker.nullness.qual.NonNull;