diff --git a/Triangle.Compiler/src/main/java/triangle/codeGenerator/Encoder.java b/Triangle.Compiler/src/main/java/triangle/codeGenerator/Encoder.java
index 1b30d8a..be9c53e 100644
--- a/Triangle.Compiler/src/main/java/triangle/codeGenerator/Encoder.java
+++ b/Triangle.Compiler/src/main/java/triangle/codeGenerator/Encoder.java
@@ -88,7 +88,6 @@ import triangle.abstractSyntaxTrees.visitors.CommandVisitor;
 import triangle.abstractSyntaxTrees.visitors.DeclarationVisitor;
 import triangle.abstractSyntaxTrees.visitors.ExpressionVisitor;
 import triangle.abstractSyntaxTrees.visitors.FormalParameterSequenceVisitor;
-import triangle.abstractSyntaxTrees.visitors.FormalParameterVisitor;
 import triangle.abstractSyntaxTrees.visitors.IdentifierVisitor;
 import triangle.abstractSyntaxTrees.visitors.LiteralVisitor;
 import triangle.abstractSyntaxTrees.visitors.OperatorVisitor;
@@ -114,10 +113,9 @@ import triangle.codeGenerator.entities.UnknownAddress;
 import triangle.codeGenerator.entities.UnknownRoutine;
 import triangle.codeGenerator.entities.UnknownValue;
 
-public final class Encoder
-		implements ActualParameterVisitor<Frame, Integer>, ActualParameterSequenceVisitor<Frame, Integer>,
-		ArrayAggregateVisitor<Frame, Integer>, CommandVisitor<Frame, Void>, DeclarationVisitor<Frame, Integer>,
-		ExpressionVisitor<Frame, Integer>, FormalParameterVisitor<Frame, Integer>,
+public final class Encoder implements ActualParameterVisitor<Frame, Integer>,
+		ActualParameterSequenceVisitor<Frame, Integer>, ArrayAggregateVisitor<Frame, Integer>,
+		CommandVisitor<Frame, Void>, DeclarationVisitor<Frame, Integer>, ExpressionVisitor<Frame, Integer>,
 		FormalParameterSequenceVisitor<Frame, Integer>, IdentifierVisitor<Frame, Void>, LiteralVisitor<Void, Void>,
 		OperatorVisitor<Frame, Void>, ProgramVisitor<Frame, Void>, RecordAggregateVisitor<Frame, Integer>,
 		TypeDenoterVisitor<Frame, Integer>, VnameVisitor<Frame, RuntimeEntity> {
diff --git a/Triangle.Compiler/src/main/java/triangle/contextualAnalyzer/Checker.java b/Triangle.Compiler/src/main/java/triangle/contextualAnalyzer/Checker.java
index 09f4ff4..f58f330 100644
--- a/Triangle.Compiler/src/main/java/triangle/contextualAnalyzer/Checker.java
+++ b/Triangle.Compiler/src/main/java/triangle/contextualAnalyzer/Checker.java
@@ -88,7 +88,6 @@ import triangle.abstractSyntaxTrees.visitors.CommandVisitor;
 import triangle.abstractSyntaxTrees.visitors.DeclarationVisitor;
 import triangle.abstractSyntaxTrees.visitors.ExpressionVisitor;
 import triangle.abstractSyntaxTrees.visitors.FormalParameterSequenceVisitor;
-import triangle.abstractSyntaxTrees.visitors.FormalParameterVisitor;
 import triangle.abstractSyntaxTrees.visitors.IdentifierVisitor;
 import triangle.abstractSyntaxTrees.visitors.LiteralVisitor;
 import triangle.abstractSyntaxTrees.visitors.OperatorVisitor;
@@ -104,10 +103,10 @@ import triangle.syntacticAnalyzer.SourcePosition;
 public final class Checker implements ActualParameterVisitor<FormalParameter, Void>,
 		ActualParameterSequenceVisitor<FormalParameterSequence, Void>, ArrayAggregateVisitor<Void, TypeDenoter>,
 		CommandVisitor<Void, Void>, DeclarationVisitor<Void, Void>, ExpressionVisitor<Void, TypeDenoter>,
-		FormalParameterVisitor<Void, Void>, FormalParameterSequenceVisitor<Void, Void>,
-		IdentifierVisitor<Void, Declaration>, LiteralVisitor<Void, TypeDenoter>, OperatorVisitor<Void, Declaration>,
-		ProgramVisitor<Void, Void>, RecordAggregateVisitor<Void, FieldTypeDenoter>,
-		TypeDenoterVisitor<Void, TypeDenoter>, VnameVisitor<Void, TypeDenoter> {
+		FormalParameterSequenceVisitor<Void, Void>, IdentifierVisitor<Void, Declaration>,
+		LiteralVisitor<Void, TypeDenoter>, OperatorVisitor<Void, Declaration>, ProgramVisitor<Void, Void>,
+		RecordAggregateVisitor<Void, FieldTypeDenoter>, TypeDenoterVisitor<Void, TypeDenoter>,
+		VnameVisitor<Void, TypeDenoter> {
 
 	// Commands
 
diff --git a/Triangle.Compiler/src/main/java/triangle/treeDrawer/LayoutVisitor.java b/Triangle.Compiler/src/main/java/triangle/treeDrawer/LayoutVisitor.java
index 28ea0ec..dfa4b35 100644
--- a/Triangle.Compiler/src/main/java/triangle/treeDrawer/LayoutVisitor.java
+++ b/Triangle.Compiler/src/main/java/triangle/treeDrawer/LayoutVisitor.java
@@ -82,7 +82,6 @@ import triangle.abstractSyntaxTrees.visitors.CommandVisitor;
 import triangle.abstractSyntaxTrees.visitors.DeclarationVisitor;
 import triangle.abstractSyntaxTrees.visitors.ExpressionVisitor;
 import triangle.abstractSyntaxTrees.visitors.FormalParameterSequenceVisitor;
-import triangle.abstractSyntaxTrees.visitors.FormalParameterVisitor;
 import triangle.abstractSyntaxTrees.visitors.IdentifierVisitor;
 import triangle.abstractSyntaxTrees.visitors.LiteralVisitor;
 import triangle.abstractSyntaxTrees.visitors.OperatorVisitor;
@@ -97,10 +96,10 @@ import triangle.abstractSyntaxTrees.vnames.SubscriptVname;
 public class LayoutVisitor implements ActualParameterVisitor<Void, DrawingTree>,
 		ActualParameterSequenceVisitor<Void, DrawingTree>, ArrayAggregateVisitor<Void, DrawingTree>,
 		CommandVisitor<Void, DrawingTree>, DeclarationVisitor<Void, DrawingTree>, ExpressionVisitor<Void, DrawingTree>,
-		FormalParameterVisitor<Void, DrawingTree>, FormalParameterSequenceVisitor<Void, DrawingTree>,
-		IdentifierVisitor<Void, DrawingTree>, LiteralVisitor<Void, DrawingTree>, OperatorVisitor<Void, DrawingTree>,
-		ProgramVisitor<Void, DrawingTree>, RecordAggregateVisitor<Void, DrawingTree>,
-		TypeDenoterVisitor<Void, DrawingTree>, VnameVisitor<Void, DrawingTree> {
+		FormalParameterSequenceVisitor<Void, DrawingTree>, IdentifierVisitor<Void, DrawingTree>,
+		LiteralVisitor<Void, DrawingTree>, OperatorVisitor<Void, DrawingTree>, ProgramVisitor<Void, DrawingTree>,
+		RecordAggregateVisitor<Void, DrawingTree>, TypeDenoterVisitor<Void, DrawingTree>,
+		VnameVisitor<Void, DrawingTree> {
 
 	private final int BORDER = 5;
 	private final int PARENT_SEP = 30;