diff --git a/parser/argument.go b/parser/argument.go
index c56a8d7..e821322 100644
--- a/parser/argument.go
+++ b/parser/argument.go
@@ -16,7 +16,7 @@ var validArgumentStartTokens = []lexer.TokenKind {
 }
 
 func (parser *ParsingOperation) parseArgument () (argument Argument, err error) {
-	argument.setLocation(parser.token.Location())
+	argument.location = parser.token.Location()
 
 	err = parser.expect(validArgumentStartTokens...)
 	if err != nil { return }
@@ -44,8 +44,8 @@ func (parser *ParsingOperation) parseArgument () (argument Argument, err error)
 			
 			declaration := Declaration { }
 			declaration.what = what
-			declaration.setName(identifier.trail[0])
-			declaration.setLocation(argument.Location())
+			declaration.name = identifier.trail[0]
+			declaration.location = argument.Location()
 
 			argument.kind  = ArgumentKindDeclaration
 			argument.value = declaration
diff --git a/parser/data.go b/parser/data.go
index e4ab680..9597972 100644
--- a/parser/data.go
+++ b/parser/data.go
@@ -12,7 +12,7 @@ func (parser *ParsingOperation) parseDataSection () (
 	if err != nil { return }
 	
 	section = &DataSection { }
-	section.setLocation(parser.token.Location())
+	section.location = parser.token.Location()
 
 	err = parser.nextToken(lexer.TokenKindPermission)
 	if err != nil { return }
diff --git a/parser/enum.go b/parser/enum.go
index 5c4463c..80577a7 100644
--- a/parser/enum.go
+++ b/parser/enum.go
@@ -12,7 +12,7 @@ func (parser *ParsingOperation) parseEnumSection () (
 	if err != nil { return }
 	
 	section = &EnumSection { }
-	section.setLocation(parser.token.Location())
+	section.location = parser.token.Location()
 
 	// get permission
 	err = parser.nextToken(lexer.TokenKindPermission)
diff --git a/parser/face.go b/parser/face.go
index 7cf715b..65e8372 100644
--- a/parser/face.go
+++ b/parser/face.go
@@ -15,7 +15,7 @@ func (parser *ParsingOperation) parseFaceSection () (
 	section = &FaceSection {
 		behaviors:  make(map[string] FaceBehavior),
 	}
-	section.setLocation(parser.token.Location())
+	section.location = parser.token.Location()
 
 	// get permission
 	err = parser.nextToken(lexer.TokenKindPermission)
diff --git a/parser/func.go b/parser/func.go
index 5477a16..feb5d13 100644
--- a/parser/func.go
+++ b/parser/func.go
@@ -13,7 +13,7 @@ func (parser *ParsingOperation) parseFuncSection () (
 	if err != nil { return }
 	
 	section = &FuncSection { }
-	section.setLocation(parser.token.Location())
+	section.location = parser.token.Location()
 
 	// get permission
 	err = parser.nextToken(lexer.TokenKindPermission)
diff --git a/parser/node-traits.go b/parser/node-traits.go
index 3493aa6..d0e2df0 100644
--- a/parser/node-traits.go
+++ b/parser/node-traits.go
@@ -14,11 +14,6 @@ func (trait locatable) Location () (location file.Location) {
 	return
 }
 
-// setLocation sets the location of the node.
-func (trait* locatable) setLocation (location file.Location) {
-	trait.location = location
-}
-
 // NewError creates a new error at the node's location.
 func (trait locatable) NewError (
 	message string,
@@ -39,11 +34,6 @@ func (trait nameable) Name () (name string) {
 	name = trait.name
 	return
 }
-// setName sets the name of the node.
-func (trait *nameable) setName (name string) {
-	trait.name = name
-}
-
 // typeable allows a node to have a type.
 type typeable struct {
 	what Type
@@ -53,8 +43,3 @@ type typeable struct {
 func (trait typeable) Type () (what Type) {
 	return trait.what
 }
-
-// setType sets the type of the node.
-func (trait *typeable) setType (what Type) () {
-	
-}
diff --git a/parser/objt.go b/parser/objt.go
index 9603959..8e40715 100644
--- a/parser/objt.go
+++ b/parser/objt.go
@@ -14,7 +14,7 @@ func (parser *ParsingOperation) parseObjtSection () (
 	if err != nil { return }
 	
 	section = &ObjtSection { }
-	section.setLocation(parser.token.Location())
+	section.location = parser.token.Location()
 
 	// get permission
 	err = parser.nextToken(lexer.TokenKindPermission)
diff --git a/parser/type.go b/parser/type.go
index b6620c2..cacc3b0 100644
--- a/parser/type.go
+++ b/parser/type.go
@@ -14,7 +14,7 @@ func (parser *ParsingOperation) parseTypeSection () (
 	if err != nil { return }
 	
 	section = &TypeSection { }
-	section.setLocation(parser.token.Location())
+	section.location = parser.token.Location()
 
 	// get permission
 	err = parser.nextToken(lexer.TokenKindPermission)