diff --git a/build.py b/build.py
index 36c788a5..f8ffbbaf 100644
--- a/build.py
+++ b/build.py
@@ -179,18 +179,18 @@ def build_cocoa_bridging_interfaces():
     import objp.p2o
     add_to_pythonpath('cocoa')
     add_to_pythonpath('cocoalib')
-    from inter.details_panel import PyDetailsPanel
-    from inter.extra_fairware_reminder import PyExtraFairwareReminder
-    from inter.stats_label import PyStatsLabel
+    from inter.details_panel import PyDetailsPanel, DetailsPanelView
+    from inter.extra_fairware_reminder import PyExtraFairwareReminder, ExtraFairwareReminderView
+    from inter.stats_label import PyStatsLabel, StatsLabelView
     for class_ in [PyDetailsPanel, PyExtraFairwareReminder, PyStatsLabel]:
         objp.o2p.generate_objc_code(class_, 'cocoa/autogen')
-    for fn in os.listdir('cocoa/base/bridge'):
-        basename = fn[:-2]
-        header_path = op.join('cocoa/base/bridge', fn)
-        extmodule_path = op.join('build', basename + '.m')
-        objp.p2o.generate_python_proxy_code(header_path, extmodule_path)
+    for class_ in [DetailsPanelView, ExtraFairwareReminderView, StatsLabelView]:
+        clsspec = objp.o2p.spec_from_python_class(class_)
+        clsname = class_.__name__
+        extmodule_path = op.join('build', clsname + '.m')
+        objp.p2o.generate_python_proxy_code_from_clsspec(clsspec, extmodule_path)
         exts = [
-            Extension(basename, [extmodule_path, 'build/ObjP.m'],
+            Extension(clsname, [extmodule_path, 'build/ObjP.m'],
                 extra_link_args=["-framework", "Foundation"]),
         ]
         setup(
diff --git a/cocoa/base/bridge/DetailsPanelView.h b/cocoa/base/bridge/DetailsPanelView.h
deleted file mode 100644
index 8d9abf22..00000000
--- a/cocoa/base/bridge/DetailsPanelView.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#import <Cocoa/Cocoa.h>
-
-@protocol DetailsPanelView <NSObject>
-- (void)refresh;
-@end
\ No newline at end of file
diff --git a/cocoa/base/bridge/ExtraFairwareReminderView.h b/cocoa/base/bridge/ExtraFairwareReminderView.h
deleted file mode 100644
index a7806194..00000000
--- a/cocoa/base/bridge/ExtraFairwareReminderView.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#import <Cocoa/Cocoa.h>
-
-@protocol ExtraFairwareReminderView <NSObject>
-- (void)startTimer;
-- (void)stopTimer;
-- (void)setButtonText:(NSString *)text;
-- (void)enableButton;
-@end
\ No newline at end of file
diff --git a/cocoa/base/bridge/StatsLabelView.h b/cocoa/base/bridge/StatsLabelView.h
deleted file mode 100644
index 5bd6ba6b..00000000
--- a/cocoa/base/bridge/StatsLabelView.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#import <Cocoa/Cocoa.h>
-
-@protocol StatsLabelView <NSObject>
-- (void)refresh;
-@end
\ No newline at end of file
diff --git a/cocoa/inter/details_panel.py b/cocoa/inter/details_panel.py
index 3c98c6da..4ac39d9a 100644
--- a/cocoa/inter/details_panel.py
+++ b/cocoa/inter/details_panel.py
@@ -1,4 +1,7 @@
-from cocoa.inter2 import PyGUIObject
+from cocoa.inter2 import PyGUIObject, GUIObjectView
+
+class DetailsPanelView(GUIObjectView):
+    pass
 
 class PyDetailsPanel(PyGUIObject):
     def numberOfRows(self) -> int:
diff --git a/cocoa/inter/extra_fairware_reminder.py b/cocoa/inter/extra_fairware_reminder.py
index 2ec99bd6..47b9871c 100644
--- a/cocoa/inter/extra_fairware_reminder.py
+++ b/cocoa/inter/extra_fairware_reminder.py
@@ -1,5 +1,12 @@
+from objp.util import dontwrap
 from cocoa.inter2 import PyGUIObject
 
+class ExtraFairwareReminderView:
+    def startTimer(self): pass
+    def stopTimer(self): pass
+    def setButtonText_(self, text: str): pass;
+    def enableButton(self): pass
+
 class PyExtraFairwareReminder(PyGUIObject):
     def start(self):
         self.model.start()
@@ -8,14 +15,18 @@ class PyExtraFairwareReminder(PyGUIObject):
         self.model.update_button()
     
     # model --> view
+    @dontwrap
     def start_timer(self):
         self.callback.startTimer()
     
+    @dontwrap
     def stop_timer(self):
         self.callback.stopTimer()
     
+    @dontwrap
     def enable_button(self):
         self.callback.enableButton()
     
+    @dontwrap
     def set_button_text(self, text):
         self.callback.setButtonText_(text)
diff --git a/cocoa/inter/stats_label.py b/cocoa/inter/stats_label.py
index 16788fde..b36fbcb0 100644
--- a/cocoa/inter/stats_label.py
+++ b/cocoa/inter/stats_label.py
@@ -1,4 +1,7 @@
-from cocoa.inter2 import PyGUIObject
+from cocoa.inter2 import PyGUIObject, GUIObjectView
+
+class StatsLabelView(GUIObjectView):
+    pass
 
 class PyStatsLabel(PyGUIObject):