diff --git a/demo/gdml/build.gradle.kts b/demo/gdml/build.gradle.kts
index 8f8c0f9f..c16fce83 100644
--- a/demo/gdml/build.gradle.kts
+++ b/demo/gdml/build.gradle.kts
@@ -1,5 +1,6 @@
 import scientifik.DependencyConfiguration
 import scientifik.FXModule
+import scientifik.useFx
 
 plugins {
     id("scientifik.mpp")
diff --git a/ui/react/src/main/kotlin/hep/dataforge/vision/react/valueChooser.kt b/ui/react/src/main/kotlin/hep/dataforge/vision/react/valueChooser.kt
index fd579c62..e7562131 100644
--- a/ui/react/src/main/kotlin/hep/dataforge/vision/react/valueChooser.kt
+++ b/ui/react/src/main/kotlin/hep/dataforge/vision/react/valueChooser.kt
@@ -49,7 +49,7 @@ class ValueChooserComponent(props: ValueChooserProps) : RComponent<ValueChooserP
         }
     }
 
-    private val commit: (Event) -> Unit = { event ->
+    private val commit: (Event) -> Unit = { _ ->
         props.valueChanged?.invoke(getValue())
     }
 
diff --git a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/serialization.kt b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/serialization.kt
index 877f9b3b..ba672093 100644
--- a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/serialization.kt
+++ b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/serialization.kt
@@ -1,5 +1,6 @@
 package hep.dataforge.vision.solid
 
+import hep.dataforge.meta.DFExperimental
 import hep.dataforge.meta.double
 import hep.dataforge.names.NameToken
 import hep.dataforge.vision.MutableVisionGroup
@@ -118,8 +119,10 @@ internal object PrototypesSerializer : KSerializer<MutableVisionGroup> {
     }
 }
 
+@OptIn(DFExperimental::class)
 fun Vision.stringify(): String = SolidManager.jsonForSolids.stringify(Vision.serializer(), this)
 
+@OptIn(DFExperimental::class)
 fun Vision.Companion.parseJson(str: String) = SolidManager.jsonForSolids.parse(Vision.serializer(), str).also {
     if(it is VisionGroup){
         it.attachChildren()