diff --git a/controls-core/src/commonMain/kotlin/space/kscience/controls/spec/DeviceSpec.kt b/controls-core/src/commonMain/kotlin/space/kscience/controls/spec/DeviceSpec.kt
index b5813b7..19e5ab2 100644
--- a/controls-core/src/commonMain/kotlin/space/kscience/controls/spec/DeviceSpec.kt
+++ b/controls-core/src/commonMain/kotlin/space/kscience/controls/spec/DeviceSpec.kt
@@ -8,9 +8,7 @@ import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.transformations.MetaConverter
 import kotlin.properties.PropertyDelegateProvider
 import kotlin.properties.ReadOnlyProperty
-import kotlin.reflect.KMutableProperty1
 import kotlin.reflect.KProperty
-import kotlin.reflect.KProperty1
 
 public object UnitMetaConverter : MetaConverter<Unit> {
     override fun metaToObject(meta: Meta): Unit = Unit
@@ -44,11 +42,11 @@ public abstract class DeviceSpec<D : Device> {
         return deviceProperty
     }
 
-    public inline fun <reified T> property(
+    public fun <T> property(
         converter: MetaConverter<T>,
-        crossinline descriptorBuilder: PropertyDescriptor.() -> Unit = {},
+        descriptorBuilder: PropertyDescriptor.() -> Unit = {},
         name: String? = null,
-        crossinline read: suspend D.(propertyName: String) -> T?,
+        read: suspend D.(propertyName: String) -> T?,
     ): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, DevicePropertySpec<D, T>>> =
         PropertyDelegateProvider { _: DeviceSpec<D>, property ->
             val propertyName = name ?: property.name
@@ -56,7 +54,8 @@ public abstract class DeviceSpec<D : Device> {
                 override val descriptor: PropertyDescriptor = PropertyDescriptor(propertyName).apply(descriptorBuilder)
                 override val converter: MetaConverter<T> = converter
 
-                override suspend fun read(device: D): T? = withContext(device.coroutineContext) { device.read(propertyName) }
+                override suspend fun read(device: D): T? =
+                    withContext(device.coroutineContext) { device.read(propertyName) }
             }
             registerProperty(deviceProperty)
             ReadOnlyProperty<DeviceSpec<D>, DevicePropertySpec<D, T>> { _, _ ->
@@ -64,12 +63,12 @@ public abstract class DeviceSpec<D : Device> {
             }
         }
 
-    public inline fun <reified T> mutableProperty(
+    public fun <T> mutableProperty(
         converter: MetaConverter<T>,
-        crossinline descriptorBuilder: PropertyDescriptor.() -> Unit = {},
+        descriptorBuilder: PropertyDescriptor.() -> Unit = {},
         name: String? = null,
-        crossinline read: suspend D.(propertyName: String) -> T?,
-        crossinline write: suspend D.(propertyName: String, value: T) -> Unit,
+        read: suspend D.(propertyName: String) -> T?,
+        write: suspend D.(propertyName: String, value: T) -> Unit,
     ): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, MutableDevicePropertySpec<D, T>>> =
         PropertyDelegateProvider { _: DeviceSpec<D>, property: KProperty<*> ->
             val propertyName = name ?: property.name
@@ -106,7 +105,7 @@ public abstract class DeviceSpec<D : Device> {
         name: String? = null,
         execute: suspend D.(I) -> O,
     ): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, DeviceActionSpec<D, I, O>>> =
-        PropertyDelegateProvider { _: DeviceSpec<D>, property ->
+        PropertyDelegateProvider { _: DeviceSpec<D>, property: KProperty<*> ->
             val actionName = name ?: property.name
             val deviceAction = object : DeviceActionSpec<D, I, O> {
                 override val descriptor: ActionDescriptor = ActionDescriptor(actionName).apply(descriptorBuilder)
@@ -124,77 +123,39 @@ public abstract class DeviceSpec<D : Device> {
             }
         }
 
-    /**
-     * An action that takes [Meta] and returns [Meta]. No conversions are done
-     */
-    public fun metaAction(
-        descriptorBuilder: ActionDescriptor.() -> Unit = {},
-        name: String? = null,
-        execute: suspend D.(Meta) -> Meta,
-    ): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, DeviceActionSpec<D, Meta, Meta>>> =
-        action(
-            MetaConverter.Companion.meta,
-            MetaConverter.Companion.meta,
-            descriptorBuilder,
-            name
-        ) {
-            execute(it)
-        }
-
-    /**
-     * An action that takes no parameters and returns no values
-     */
-    public fun unitAction(
-        descriptorBuilder: ActionDescriptor.() -> Unit = {},
-        name: String? = null,
-        execute: suspend D.() -> Unit,
-    ): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, DeviceActionSpec<D, Unit, Unit>>> =
-        action(
-            MetaConverter.Companion.unit,
-            MetaConverter.Companion.unit,
-            descriptorBuilder,
-            name
-        ) {
-            execute()
-        }
 }
 
-public inline fun <reified T, D : Device> DeviceSpec<D>.property(
-    converter: MetaConverter<T>,
-    readOnlyProperty: KProperty1<D, T>,
-    crossinline descriptorBuilder: PropertyDescriptor.() -> Unit = {},
-): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, DevicePropertySpec<D, T>>> = property(
-    converter,
-    descriptorBuilder,
-    name = readOnlyProperty.name,
-    read = { readOnlyProperty.get(this) }
-)
-
-public inline fun <reified T, D : Device> DeviceSpec<D>.mutableProperty(
-    converter: MetaConverter<T>,
-    readWriteProperty: KMutableProperty1<D, T>,
-    crossinline descriptorBuilder: PropertyDescriptor.() -> Unit = {},
-): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, MutableDevicePropertySpec<D, T>>> =
-    mutableProperty(
-        converter,
+/**
+ * An action that takes no parameters and returns no values
+ */
+public fun <D : Device> DeviceSpec<D>.unitAction(
+    descriptorBuilder: ActionDescriptor.() -> Unit = {},
+    name: String? = null,
+    execute: suspend D.() -> Unit,
+): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, DeviceActionSpec<D, Unit, Unit>>> =
+    action(
+        MetaConverter.Companion.unit,
+        MetaConverter.Companion.unit,
         descriptorBuilder,
-        readWriteProperty.name,
-        read = { _ -> readWriteProperty.get(this) },
-        write = { _, value: T -> readWriteProperty.set(this, value) }
-    )
+        name
+    ) {
+        execute()
+    }
 
 /**
- * Register a mutable logical property (without a corresponding physical state) for a device
+ * An action that takes [Meta] and returns [Meta]. No conversions are done
  */
-public inline fun <reified T, D : DeviceBase<D>> DeviceSpec<D>.logicalProperty(
-    converter: MetaConverter<T>,
-    crossinline descriptorBuilder: PropertyDescriptor.() -> Unit = {},
+public fun <D : Device> DeviceSpec<D>.metaAction(
+    descriptorBuilder: ActionDescriptor.() -> Unit = {},
     name: String? = null,
-): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, MutableDevicePropertySpec<D, T>>> =
-    mutableProperty(
-        converter,
+    execute: suspend D.(Meta) -> Meta,
+): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, DeviceActionSpec<D, Meta, Meta>>> =
+    action(
+        MetaConverter.Companion.meta,
+        MetaConverter.Companion.meta,
         descriptorBuilder,
-        name,
-        read = { propertyName -> getProperty(propertyName)?.let(converter::metaToObject) },
-        write = { propertyName, value -> writeProperty(propertyName, converter.objectToMeta(value)) }
-    )
\ No newline at end of file
+        name
+    ) {
+        execute(it)
+    }
+
diff --git a/controls-core/src/commonMain/kotlin/space/kscience/controls/spec/propertySpecDelegates.kt b/controls-core/src/commonMain/kotlin/space/kscience/controls/spec/propertySpecDelegates.kt
index 8314838..6f599a8 100644
--- a/controls-core/src/commonMain/kotlin/space/kscience/controls/spec/propertySpecDelegates.kt
+++ b/controls-core/src/commonMain/kotlin/space/kscience/controls/spec/propertySpecDelegates.kt
@@ -8,6 +8,55 @@ import space.kscience.dataforge.meta.ValueType
 import space.kscience.dataforge.meta.transformations.MetaConverter
 import kotlin.properties.PropertyDelegateProvider
 import kotlin.properties.ReadOnlyProperty
+import kotlin.reflect.KMutableProperty1
+import kotlin.reflect.KProperty1
+
+/**
+ * A read-only device property that delegates reading to a device [KProperty1]
+ */
+public fun <T, D : Device> DeviceSpec<D>.property(
+    converter: MetaConverter<T>,
+    readOnlyProperty: KProperty1<D, T>,
+    descriptorBuilder: PropertyDescriptor.() -> Unit = {},
+): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, DevicePropertySpec<D, T>>> = property(
+    converter,
+    descriptorBuilder,
+    name = readOnlyProperty.name,
+    read = { readOnlyProperty.get(this) }
+)
+
+/**
+ * Mutable property that delegates reading and writing to a device [KMutableProperty1]
+ */
+public fun <T, D : Device> DeviceSpec<D>.mutableProperty(
+    converter: MetaConverter<T>,
+    readWriteProperty: KMutableProperty1<D, T>,
+    descriptorBuilder: PropertyDescriptor.() -> Unit = {},
+): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, MutableDevicePropertySpec<D, T>>> =
+    mutableProperty(
+        converter,
+        descriptorBuilder,
+        readWriteProperty.name,
+        read = { _ -> readWriteProperty.get(this) },
+        write = { _, value: T -> readWriteProperty.set(this, value) }
+    )
+
+/**
+ * Register a mutable logical property (without a corresponding physical state) for a device
+ */
+public fun <T, D : DeviceBase<D>> DeviceSpec<D>.logicalProperty(
+    converter: MetaConverter<T>,
+    descriptorBuilder: PropertyDescriptor.() -> Unit = {},
+    name: String? = null,
+): PropertyDelegateProvider<DeviceSpec<D>, ReadOnlyProperty<DeviceSpec<D>, MutableDevicePropertySpec<D, T>>> =
+    mutableProperty(
+        converter,
+        descriptorBuilder,
+        name,
+        read = { propertyName -> getProperty(propertyName)?.let(converter::metaToObject) },
+        write = { propertyName, value -> writeProperty(propertyName, converter.objectToMeta(value)) }
+    )
+
 
 //read only delegates