diff --git a/nac3artiq/demo/tests/string_attribute_issue337.py b/nac3artiq/demo/tests/string_attribute_issue337.py
deleted file mode 100644
index c0b36ed6..00000000
--- a/nac3artiq/demo/tests/string_attribute_issue337.py
+++ /dev/null
@@ -1,18 +0,0 @@
-from min_artiq import *
-from numpy import int32
-
-@nac3
-class Demo:
-    attr1: Kernel[str]
-    attr2: Kernel[int32]
-
-    @kernel
-    def __init__(self):
-        self.attr2 = 32
-        self.attr1 = "SAMPLE"
-
-    @kernel
-    def run(self):
-        print_int32(self.attr2)
-        self.attr1
-
diff --git a/nac3artiq/demo/tests/support_class_attr_issue102.py b/nac3artiq/demo/tests/support_class_attr_issue102.py
deleted file mode 100644
index 0482e3f1..00000000
--- a/nac3artiq/demo/tests/support_class_attr_issue102.py
+++ /dev/null
@@ -1,37 +0,0 @@
-from min_artiq import *
-from numpy import int32
-
-@nac3
-class Demo:
-    attr1: KernelInvariant[int32] = 2
-    attr2: int32 = 4
-    attr3: Kernel[int32]
-
-    @kernel
-    def __init__(self):
-        self.attr3 = 8
-
-@nac3
-class NAC3Devices:
-    core: KernelInvariant[Core]
-    attr4: KernelInvariant[int32] = 16
-    
-    def __init__(self):
-        self.core = Core()
-
-    @kernel
-    def run(self):
-        Demo.attr1  # Supported
-        # Demo.attr2  # Field not accessible on Kernel
-        # Demo.attr3  # Only attributes can be accessed in this way
-        # Demo.attr1 = 2  # Attributes are immutable
-
-        self.attr4  # Attributes can be accessed within class
-
-        obj = Demo()
-        obj.attr1  # Attributes can be accessed by class objects
-
-        NAC3Devices.attr4  # Attributes accessible for classes without __init__
-
-if __name__ == "__main__":
-    NAC3Devices().run()
diff --git a/nac3standalone/demo/src/class_attributes.py b/nac3standalone/demo/src/class_attributes.py
new file mode 100644
index 00000000..b58958fa
--- /dev/null
+++ b/nac3standalone/demo/src/class_attributes.py
@@ -0,0 +1,35 @@
+@extern
+def output_int32(x: int32):
+    ...
+
+@extern
+def output_strln(x: str):
+    ...
+
+
+class A:
+    a: int32 = 1
+    b: int32
+    c: str = "test"
+    d: str
+
+    def __init__(self):
+        self.b = 2
+        self.d = "test"
+
+        output_int32(self.a)  # Attributes can be accessed within class        
+
+
+def run() -> int32:
+    output_int32(A.a)  # Attributes can be directly accessed with class name
+    # A.b # Only attributes can be accessed in this way
+    # A.a = 2  # Attributes are immutable
+
+    obj = A()
+    output_int32(obj.a)  # Attributes can be accessed by class objects
+
+    output_strln(obj.c)
+    output_strln(obj.d)
+
+    return 0
+