diff --git a/java/debugger/backend/src/com/intellij/java/debugger/impl/backend/BackendJavaDebuggerSessionApi.kt b/java/debugger/backend/src/com/intellij/java/debugger/impl/backend/BackendJavaDebuggerSessionApi.kt
index d69dd114b20b..287a86fea719 100644
--- a/java/debugger/backend/src/com/intellij/java/debugger/impl/backend/BackendJavaDebuggerSessionApi.kt
+++ b/java/debugger/backend/src/com/intellij/java/debugger/impl/backend/BackendJavaDebuggerSessionApi.kt
@@ -90,7 +90,7 @@ internal class BackendJavaDebuggerSessionApi : JavaDebuggerSessionApi {
 
   override suspend fun muteRenderers(sessionId: XDebugSessionId, state: Boolean) {
     val xSession = sessionId.findValue() ?: return
-    val renderersFlow = MuteRendererUtils.getFlow(xSession.sessionData)
+    val renderersFlow = MuteRendererUtils.getOrCreateFlow(xSession.sessionData)
     renderersFlow.value = state
     NodeRendererSettings.getInstance().fireRenderersChanged()
   }
diff --git a/java/debugger/impl/src/com/intellij/debugger/actions/MuteRendererUtils.kt b/java/debugger/impl/src/com/intellij/debugger/actions/MuteRendererUtils.kt
index b0c82ed2c320..b360f9fe37b0 100644
--- a/java/debugger/impl/src/com/intellij/debugger/actions/MuteRendererUtils.kt
+++ b/java/debugger/impl/src/com/intellij/debugger/actions/MuteRendererUtils.kt
@@ -15,10 +15,6 @@ object MuteRendererUtils {
     return sessionData.getOrCreateUserData(MUTE_RENDERERS_FLOW) { MutableStateFlow(false) }
   }
 
-  fun getFlow(sessionData: XDebugSessionData): MutableStateFlow<Boolean> {
-    return sessionData.getUserData(MUTE_RENDERERS_FLOW)!!
-  }
-
   @JvmStatic
   fun isMuted(sessionData: XDebugSessionData): Boolean {
     return sessionData.getUserData(MUTE_RENDERERS_FLOW)?.value ?: false