diff --git a/pmd-core/pmd-core-checkstyle-suppressions.xml b/pmd-core/pmd-core-checkstyle-suppressions.xml
index c1647b6530..dba1280260 100644
--- a/pmd-core/pmd-core-checkstyle-suppressions.xml
+++ b/pmd-core/pmd-core-checkstyle-suppressions.xml
@@ -7,5 +7,4 @@
 
     <!-- ModifiedControlVariable / JumbledIncrementer -->
     <suppress checks="ModifiedControlVariable" files="net[\\/]sourceforge[\\/]pmd[\\/]cpd[\\/]MatchAlgorithm\.java"/>
-    <suppress checks="ModifiedControlVariable" files="net[\\/]sourceforge[\\/]pmd[\\/]lang[\\/]dfa[\\/]SequenceChecker\.java"/>
-</suppressions>
\ No newline at end of file
+</suppressions>
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaccTokenDocument.java b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaccTokenDocument.java
index ca65edd3ab..4de99f4118 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaccTokenDocument.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaccTokenDocument.java
@@ -10,7 +10,6 @@ import java.util.List;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
-import net.sourceforge.pmd.cpd.impl.JavaccCpdLexer;
 import net.sourceforge.pmd.lang.ast.impl.TokenDocument;
 import net.sourceforge.pmd.lang.document.TextDocument;