diff --git a/book/guides/application_architecture.nim b/book/guides/application_architecture.nim
index d57c167..db67cd8 100644
--- a/book/guides/application_architecture.nim
+++ b/book/guides/application_architecture.nim
@@ -90,8 +90,6 @@ nbCode:
           
           proc clicked() =
             view.model.increment()
-  
-  export CounterView, CounterViewState
 
 nbText: """
 We can then use `CounterView` to display the counter inside the main application.
diff --git a/owlkettle/adw.nim b/owlkettle/adw.nim
index 39f14e0..33e1bb9 100644
--- a/owlkettle/adw.nim
+++ b/owlkettle/adw.nim
@@ -554,9 +554,6 @@ renderable PasswordEntryRow {.since: AdwVersion >= (1, 2).} of EntryRow:
       proc changed(password: string) =
         app.password = password
 
-when AdwVersion >= (1, 2):
-  export EntryRow, PasswordEntryRow
-
 type FlapChild[T] = object
   widget: T
   width: int
@@ -817,9 +814,6 @@ renderable OverlaySplitView {.since: AdwVersion >= (1, 4).} of BaseWidget:
     widget.hasSidebar = true
     widget.valSidebar = child
 
-when AdwVersion >= (1, 4):
-  export OverlaySplitView
-
 renderable AdwHeaderBar of BaseWidget:
   ## Adwaita Headerbar that combines GTK Headerbar and WindowControls.
   packLeft: seq[Widget]
@@ -1092,9 +1086,6 @@ renderable ToolbarView {.since: AdwVersion >= (1, 4).} of BaseWidget:
     widget.hasTopBars = true
     widget.valTopBars.add(child)
 
-when AdwVersion >= (1, 4):
-  export ToolbarView
-
 type LicenseType* = enum
   LicenseUnknown = 0
   LicenseCustom = 1
@@ -1290,9 +1281,6 @@ renderable AboutWindow {.since: AdwVersion >= (1, 2).}:
       copyright = "Erika Mustermann"
       licenseType = LicenseMIT_X11
 
-when AdwVersion >= (1, 2):
-  export AboutWindow
-
 type Toast* = ref object
   title*: string
   customTitle*: Widget
@@ -1447,9 +1435,6 @@ renderable SwitchRow {.since: AdwVersion >= (1, 4).} of ActionRow:
     property:
       adw_switch_row_set_active(state.internalWidget, state.active.cbool)
 
-when AdwVersion >= (1, 4):
-  export SwitchRow
-
 renderable Banner {.since: AdwVersion >= (1, 3).} of BaseWidget:
   ## A rectangular Box taking up the entire vailable width with an optional button.
   buttonLabel: string ## Label of the optional banner button. Button will only be added to the banner if this Label has a value.
@@ -1482,11 +1467,6 @@ renderable Banner {.since: AdwVersion >= (1, 3).} of BaseWidget:
     property:
       adw_banner_set_revealed(state.internalWidget, state.revealed.cbool)
 
-when AdwVersion >= (1, 3):
-  export Banner
-
-export ToastOverlay, Toast
-export AdwWindow, WindowTitle, AdwHeaderBar, Avatar, ButtonContent, Clamp, PreferencesGroup, PreferencesRow, ActionRow, ExpanderRow, ComboRow, Flap, SplitButton, StatusPage, PreferencesPage
 
 proc defaultStyleManager*(): StyleManager =
   result = adw_style_manager_get_default()
diff --git a/owlkettle/common.nim b/owlkettle/common.nim
index 89bbc31..4bacc18 100644
--- a/owlkettle/common.nim
+++ b/owlkettle/common.nim
@@ -102,6 +102,8 @@ proc newExport*(node: NimNode, addExport: bool): NimNode =
   else:
     result = node
 
+proc newExport*(name: string, addExport: bool): NimNode =
+  result = newExport(ident(name), addExport)
 
 template customPragmas*() =
   ## Definess a custom pragma called "locker".
diff --git a/owlkettle/widgetdef.nim b/owlkettle/widgetdef.nim
index 097630e..3d6176b 100644
--- a/owlkettle/widgetdef.nim
+++ b/owlkettle/widgetdef.nim
@@ -128,6 +128,7 @@ type
     kind: WidgetKind
     base: string
     since: NimNode
+    private: bool
     events: seq[EventDef]
     fields: seq[Field]
     hooks: array[HookKind, seq[NimNode]]
@@ -171,6 +172,8 @@ proc parsePragma(pragma: NimNode, def: var WidgetDef) =
     if child.kind == nnkExprColonExpr and
        child[0].eqIdent("since"):
       def.since = child[1]
+    elif child.eqIdent("private"):
+      def.private = true
     else:
       error("Invalid widget pragma " & child.repr, pragma)
 
@@ -385,7 +388,7 @@ proc genWidget(def: WidgetDef): seq[NimNode] =
   
   result = @[
     newTree(nnkTypeDef, [
-      ident(def.name),
+      newExport(def.name, not def.private),
       newEmptyNode(),
       newTree(nnkRefTy, [
         newTree(nnkObjectTy, [
@@ -427,7 +430,7 @@ proc genState(def: WidgetDef): seq[NimNode] =
   
   result = @[
     newTree(nnkTypeDef, [
-      ident(def.stateObjName),
+      newExport(def.stateObjName, not def.private),
       newEmptyNode(),
       newTree(nnkObjectTy, [
         newEmptyNode(),
@@ -436,7 +439,7 @@ proc genState(def: WidgetDef): seq[NimNode] =
       ])
     ]),
     newTree(nnkTypeDef, [
-      ident(def.stateName),
+      newExport(def.stateName, not def.private),
       newEmptyNode(),
       newTree(nnkRefTy, ident(def.stateObjName))
     ])
@@ -466,7 +469,7 @@ proc genDestroyState(def: WidgetDef): NimNode =
   
   result = newProc(
     procType=nnkProcDef,
-    name=ident("destroyState"),
+    name=newExport("destroyState", not def.private),
     params=[newEmptyNode(),
       newIdentDefs(stateObj, ident(def.stateObjName))
     ],
@@ -543,7 +546,7 @@ proc genBuildState(def: WidgetDef): NimNode =
   
   result = newProc(
     procType=nnkProcDef,
-    name=ident("buildState"),
+    name=newExport("buildState", not def.private),
     params=[newEmptyNode(),
       newIdentDefs(state, ident(def.stateName)),
       newIdentDefs(widget, ident(def.name))
@@ -645,7 +648,7 @@ proc genUpdateState(def: WidgetDef): NimNode =
   
   result = newProc(
     procType=nnkProcDef,
-    name=ident("updateState"),
+    name=newExport("updateState", not def.private),
     params=[newEmptyNode(),
       newIdentDefs(state, ident(def.stateName)),
       newIdentDefs(widget, ident(def.name))
@@ -692,7 +695,7 @@ proc genAssignAppEvents(def: WidgetDef): NimNode =
   
   result = newProc(
     procType=nnkProcDef,
-    name=ident("assignAppEvents"),
+    name=newExport("assignAppEvents", not def.private),
     params=[newEmptyNode(),
       newIdentDefs(widget, ident(def.name)),
       newIdentDefs(app, bindSym("Viewable"))
@@ -826,7 +829,7 @@ proc genAdders(widget: WidgetDef): NimNode =
       ))
     
     result.add(newProc(
-      name = ident(adder.name).newExport(),
+      name = newExport(adder.name, not widget.private),
       params = params,
       body = adder.body
     ))
diff --git a/owlkettle/widgets.nim b/owlkettle/widgets.nim
index c64acc5..d32c74d 100644
--- a/owlkettle/widgets.nim
+++ b/owlkettle/widgets.nim
@@ -57,7 +57,7 @@ renderable BaseWidget:
   sensitive: bool = true ## If the widget is interactive
   sizeRequest: tuple[x, y: int] = (-1, -1) ## Requested widget size. A value of -1 means that the natural size of the widget will be used.
   tooltip: string = "" ## The widget's tooltip is shown on hover
-
+  
   hooks privateMargin:
     (build, update):
       if widget.hasPrivateMargin:
@@ -4748,29 +4748,3 @@ renderable ColumnView of BaseWidget:
   hooks reorderable:
     property:
       gtk_column_view_set_reorderable(state.internalWidget, cbool(ord(state.reorderable)))
-
-export BaseWidget, BaseWidgetState, BaseWindow, BaseWindowState
-export Window, Box, Overlay, Label, Icon, Picture, Button, HeaderBar, ScrolledWindow, Entry, Spinner
-export SpinButton, Paned, ColorButton, Switch, LinkButton, ToggleButton, CheckButton, RadioGroup
-export DrawingArea, GlArea, MenuButton, ModelButton, Separator, Popover, PopoverMenu
-export TextView, ListBox, ListBoxRow, ListBoxRowState, FlowBox, FlowBoxChild
-export Frame, DropDown, Grid, Fixed, ContextMenu, LevelBar, Calendar
-export Dialog, DialogState, DialogButton
-export BuiltinDialog, BuiltinDialogState
-export FileChooserDialog, FileChooserDialogState
-export ColorChooserDialog, ColorChooserDialogState
-export MessageDialog, MessageDialogState
-export AboutDialog, AboutDialogState
-export buildState, updateState, assignAppEvents
-export Scale
-export Expander
-export Video, MediaControls
-export SearchEntry
-export ProgressBar
-export EmojiChooser
-export EditableLabel
-export PasswordEntry
-export CenterBox
-export ListView
-export ActionBar
-export ColumnView