diff --git a/library/src/commonMain/kotlin/net/sergeych/lyng/Compiler.kt b/library/src/commonMain/kotlin/net/sergeych/lyng/Compiler.kt
index 0cca6d9..3a8bbf7 100644
--- a/library/src/commonMain/kotlin/net/sergeych/lyng/Compiler.kt
+++ b/library/src/commonMain/kotlin/net/sergeych/lyng/Compiler.kt
@@ -715,7 +715,6 @@ class Compiler(
         cc.skipTokenOfType(Token.Type.NEWLINE, isOptional = true)
         val t = cc.next()
 
-        var extraInit: Statement? = null
         val bodyInit: Statement? = if (t.type == Token.Type.LBRACE) {
             // parse body
             parseScript(t.pos, cc).also {
@@ -728,7 +727,6 @@ class Compiler(
 
         // create class
         val className = nameToken.value
-        lateinit var classContext: Context
 
         @Suppress("UNUSED_VARIABLE") val defaultAccess = if (isStruct) AccessType.Var else AccessType.Initialization
         @Suppress("UNUSED_VARIABLE") val defaultVisibility = Visibility.Public
diff --git a/library/src/commonMain/kotlin/net/sergeych/lyng/Context.kt b/library/src/commonMain/kotlin/net/sergeych/lyng/Context.kt
index efdd2de..392096c 100644
--- a/library/src/commonMain/kotlin/net/sergeych/lyng/Context.kt
+++ b/library/src/commonMain/kotlin/net/sergeych/lyng/Context.kt
@@ -27,6 +27,7 @@ class Context(
 
     fun raiseClassCastError(msg: String): Nothing = raiseError(ObjClassCastError(this, msg))
 
+    @Suppress("unused")
     fun raiseSymbolNotFound(name: String): Nothing = raiseError(ObjSymbolNotDefinedError(this, "symbol is not defined: $name"))
 
     fun raiseError(message: String): Nothing {
@@ -78,7 +79,7 @@ class Context(
 
     fun getOrCreateNamespace(name: String): ObjClass {
         val ns = objects.getOrPut(name) { ObjRecord(ObjNamespace(name), isMutable = false) }.value
-        return ns!!.objClass
+        return ns.objClass
     }
 
     inline fun addVoidFn(vararg names: String, crossinline fn: suspend Context.() -> Unit) {
diff --git a/library/src/commonMain/kotlin/net/sergeych/lyng/ObjClass.kt b/library/src/commonMain/kotlin/net/sergeych/lyng/ObjClass.kt
index f079535..6dfab9c 100644
--- a/library/src/commonMain/kotlin/net/sergeych/lyng/ObjClass.kt
+++ b/library/src/commonMain/kotlin/net/sergeych/lyng/ObjClass.kt
@@ -46,7 +46,7 @@ class ObjClass(
     ) {
         if (name in members || allParentsSet.any { name in it.members } == true)
             throw ScriptError(pos, "$name is already defined in $objClass or one of its supertypes")
-        members[name] = ObjRecord(initialValue, isMutable)
+        members[name] = ObjRecord(initialValue, isMutable, visibility)
     }
 
     fun addFn(name: String, isOpen: Boolean = false, code: suspend Context.() -> Obj) {