diff --git a/dastworx/src/mainfun.d b/dastworx/src/mainfun.d
index 4285eb22..8319807a 100644
--- a/dastworx/src/mainfun.d
+++ b/dastworx/src/mainfun.d
@@ -45,5 +45,11 @@ private final class MainFunctionDetector: ASTVisitor
         if (decl.name.text == "main")
             hasMain = true;
     }
+
+    override void visit(const(Unittest)){}
+    override void visit(const(ClassDeclaration)){}
+    override void visit(const(StructDeclaration)){}
+    override void visit(const(InterfaceDeclaration)){}
+    override void visit(const(FunctionBody)){}
 }