diff --git a/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/PreviewFloatingToolbarProvider.kt b/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/PreviewFloatingToolbarProvider.kt
index 91ae5afca9..0a05eb0a6f 100644
--- a/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/PreviewFloatingToolbarProvider.kt
+++ b/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/PreviewFloatingToolbarProvider.kt
@@ -8,33 +8,18 @@ package org.jetbrains.compose.desktop.ide.preview
 import com.intellij.openapi.Disposable
 import com.intellij.openapi.actionSystem.CommonDataKeys
 import com.intellij.openapi.actionSystem.DataContext
-import com.intellij.openapi.application.ReadAction
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.editor.event.CaretEvent
 import com.intellij.openapi.editor.event.CaretListener
 import com.intellij.openapi.editor.toolbar.floating.AbstractFloatingToolbarProvider
 import com.intellij.openapi.editor.toolbar.floating.FloatingToolbarComponent
-import com.intellij.openapi.editor.toolbar.floating.FloatingToolbarComponentImpl
 import com.intellij.openapi.project.Project
 import com.intellij.util.concurrency.AppExecutorUtil
 
 class PreviewFloatingToolbarProvider : AbstractFloatingToolbarProvider(PREVIEW_EDITOR_TOOLBAR_GROUP_ID) {
     override val autoHideable = false
-    override val priority: Int = 100
 
     // todo: disable if not in Compose JVM module
-    override fun register(toolbar: FloatingToolbarComponent, parentDisposable: Disposable) {
-        try {
-            // todo: use provided data context once 2020.3 is no longer supported
-            val toolbarClass = FloatingToolbarComponentImpl::class.java
-            val getDataMethod = toolbarClass.getMethod("getData", String::class.java)
-            val editor = getDataMethod.invoke(toolbar, CommonDataKeys.EDITOR.name) as? Editor ?: return
-            registerComponent(toolbar, editor, parentDisposable)
-        } catch (e: Exception) {
-            LOG.error(e)
-        }
-    }
-
     override fun register(dataContext: DataContext, component: FloatingToolbarComponent, parentDisposable: Disposable) {
         val editor = dataContext.getData(CommonDataKeys.EDITOR) ?: return
         registerComponent(component, editor, parentDisposable)
@@ -59,7 +44,7 @@ internal class PreviewEditorToolbarVisibilityUpdater(
     private val editor: Editor
 ) : CaretListener {
     override fun caretPositionChanged(event: CaretEvent) {
-        ReadAction.nonBlocking { updateVisibility() }
+        runNonBlocking { updateVisibility() }
             .inSmartMode(project)
             .submit(AppExecutorUtil.getAppExecutorService())
     }
diff --git a/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/editorUtils.kt b/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/editorUtils.kt
index 3e4de4242e..e7c9b99fc1 100644
--- a/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/editorUtils.kt
+++ b/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/editorUtils.kt
@@ -9,7 +9,6 @@ import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.fileEditor.FileDocumentManager
 import com.intellij.psi.PsiFile
 import com.intellij.psi.PsiManager
-import com.intellij.testFramework.LightVirtualFile
 import com.intellij.util.concurrency.annotations.RequiresReadLock
 import org.jetbrains.kotlin.idea.KotlinFileType
 import org.jetbrains.kotlin.psi.KtNamedFunction
diff --git a/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/ijCompatibilityUtils.kt b/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/ijCompatibilityUtils.kt
index a5925bdc53..7bc501682b 100644
--- a/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/ijCompatibilityUtils.kt
+++ b/idea-plugin/src/main/kotlin/org/jetbrains/compose/desktop/ide/preview/ijCompatibilityUtils.kt
@@ -6,10 +6,13 @@
 package org.jetbrains.compose.desktop.ide.preview
 
 import com.intellij.ide.lightEdit.LightEdit
+import com.intellij.openapi.application.NonBlockingReadAction
+import com.intellij.openapi.application.ReadAction
 import com.intellij.openapi.externalSystem.model.Key
 import com.intellij.openapi.externalSystem.model.project.AbstractNamedData
 import com.intellij.openapi.project.Project
 import java.lang.reflect.Modifier
+import java.util.concurrent.Callable
 
 // todo: filter only Compose projects
 internal fun isPreviewCompatible(project: Project): Boolean =
@@ -33,4 +36,10 @@ internal val kotlinTargetDataKey: Key<out AbstractNamedData> = run {
         ?: error("Cannot find '${kotlinTargetDataClass.canonicalName}.Companion.getKEY'")
     @Suppress("UNCHECKED_CAST")
     getKeyMethod.invoke(companionInstance) as Key<out AbstractNamedData>
-}
\ No newline at end of file
+}
+
+internal inline fun runNonBlocking(crossinline fn: () -> Unit): NonBlockingReadAction<Void?> =
+    ReadAction.nonBlocking(Callable<Void?> {
+        fn()
+        null
+    })
\ No newline at end of file