diff --git a/src/main/java/org/eolang/opeo/ast/Invocation.java b/src/main/java/org/eolang/opeo/ast/Invocation.java
index 2137263a..b7711d49 100644
--- a/src/main/java/org/eolang/opeo/ast/Invocation.java
+++ b/src/main/java/org/eolang/opeo/ast/Invocation.java
@@ -80,6 +80,7 @@ public Invocation(
      * @param method Method name
      * @param descriptor Method descriptor
      * @param args Arguments
+     * @checkstyle ParameterNumberCheck (5 lines)
      */
     public Invocation(
         final AstNode source,
@@ -90,7 +91,6 @@ public Invocation(
         this(source, method, Arrays.asList(args), descriptor);
     }
 
-
     /**
      * Constructor.
      * @param source Source or target on which the invocation is performed
@@ -111,6 +111,7 @@ public Invocation(
      * @param method Method name
      * @param arguments Arguments
      * @param descriptor Descriptor
+     * @checkstyle ParameterNumberCheck (5 lines)
      */
     public Invocation(
         final AstNode source,
diff --git a/src/test/java/org/eolang/opeo/ast/InvocationTest.java b/src/test/java/org/eolang/opeo/ast/InvocationTest.java
index 2f7cb05c..bba83557 100644
--- a/src/test/java/org/eolang/opeo/ast/InvocationTest.java
+++ b/src/test/java/org/eolang/opeo/ast/InvocationTest.java
@@ -29,7 +29,6 @@
 import org.junit.jupiter.api.Test;
 import org.objectweb.asm.Opcodes;
 import org.objectweb.asm.Type;
-import org.xembly.Directive;
 import org.xembly.ImpossibleModificationException;
 import org.xembly.Transformers;
 import org.xembly.Xembler;