diff --git a/src/Debug/TraceEmbrace/Config/Load.hs b/src/Debug/TraceEmbrace/Config/Load.hs
--- a/src/Debug/TraceEmbrace/Config/Load.hs
+++ b/src/Debug/TraceEmbrace/Config/Load.hs
@@ -3,7 +3,7 @@
 {-# LANGUAGE OverloadedStrings #-}
 module Debug.TraceEmbrace.Config.Load where
 
-import Control.Concurrent.MVar
+import Control.Concurrent
 import Control.Exception
 import Data.Cache.LRU as LRU
 import Data.Char
@@ -82,8 +82,7 @@
 loadYamlConfig :: IO YamlConfig
 loadYamlConfig = do
   doesFileExist fp >>= \case
-    True -> do
-      putStrLn $ "Loading existish trace-embrace config from [" <> fp <> "]"
+    True ->
       configFromJust . (<> defaultYamlConfig) =<< catch (Y.decodeFileThrow fp) badYaml
     False -> do
       catch (do
@@ -137,7 +136,9 @@
 getConfig :: Q TraceEmbraceConfig
 getConfig = do
   c <- runIO readConfigRef >>= loadIfNothing
-  addDependentFile traceEmbraceConfigFileName
+  runIO (doesFileExist traceEmbraceConfigFileName) >>= \case
+    True -> addDependentFile traceEmbraceConfigFileName
+    False -> reportWarning $ "Config File is missing - skip dependency"
   pure c
   where
     readConfigRef = readIORef traceEmbraceConfigRef
@@ -147,8 +148,7 @@
           (putMVar configReadToken)
           (\() ->
              readConfigRef >>= \case
-               Just c -> do
-                 putStrLn "trace-embrace.yaml Config is already loaded after resume"
+               Just c ->
                  pure c
                Nothing -> do
                  c <- yaml2Config <$> loadYamlConfig
diff --git a/test/Debug/TraceEmbrace/Test/TraceEmbrace/Config.hs b/test/Debug/TraceEmbrace/Test/TraceEmbrace/Config.hs
--- a/test/Debug/TraceEmbrace/Test/TraceEmbrace/Config.hs
+++ b/test/Debug/TraceEmbrace/Test/TraceEmbrace/Config.hs
@@ -17,6 +17,7 @@
 import System.IO
 import System.IO.Temp
 
+
 positionOnly :: TraceMessageFormat
 positionOnly =
   defaultTraceMessageFormat
@@ -65,10 +66,19 @@
          Right r -> r
          Left e -> error e
 
+-- | Always call 'resetConfig' at the end of module using 'setConfig'.
 setConfig :: TraceEmbraceConfig -> Q ()
 setConfig c =
   runIO (do closeUnsafeIoSink
             atomicWriteIORef traceEmbraceConfigRef (Just c))
+
+-- | Every module using 'setConfig' should call at the end
+-- 'resetConfig' because setConfig does not create real file.
+resetConfig :: Q [Dec]
+resetConfig = do
+  runIO (do closeUnsafeIoSink
+            atomicWriteIORef traceEmbraceConfigRef Nothing)
+  pure []
 
 closeUnsafeIoSink :: IO ()
 closeUnsafeIoSink = do
diff --git a/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Event.hs b/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Event.hs
--- a/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Event.hs
+++ b/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Event.hs
@@ -60,3 +60,5 @@
     go x = x @=? foo x
       where
         foo = $(trFunMarker poisonedId)
+
+resetConfig
diff --git a/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Format/Lifted.hs b/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Format/Lifted.hs
--- a/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Format/Lifted.hs
+++ b/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Format/Lifted.hs
@@ -5,14 +5,10 @@
 import Data.ByteString.Lazy
 import Debug.TraceEmbrace.Internal.TH
 import Debug.TraceEmbrace.Test.TraceEmbrace.Config
-import Language.Haskell.TH.Lock
 import Test.Tasty.HUnit ((@=?))
 
 -- not working: https://gitlab.haskell.org/ghc/ghc/-/issues/25775
 default (Int)
-
-
-ensureSerialCompilationVerbose
 
 unit_traceMessage_const :: IO ()
 unit_traceMessage_const =
diff --git a/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Format/Unboxed.hs b/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Format/Unboxed.hs
--- a/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Format/Unboxed.hs
+++ b/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Format/Unboxed.hs
@@ -64,3 +64,5 @@
   where
     foo :: (# #) -> String
     foo t = $(trConstMsg "foo/t")
+
+resetConfig
diff --git a/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Threshold.hs b/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Threshold.hs
--- a/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Threshold.hs
+++ b/test/Debug/TraceEmbrace/Test/TraceEmbrace/TH/Threshold.hs
@@ -64,3 +64,5 @@
   withPrefixEnvVar thresholdConfig "-" $ do
     two @=? $(setConfig (thresholdConfig & #mode .~ TraceStd)
               >> I.tr [| \x -> x + 1 |] "tm") one
+
+resetConfig
diff --git a/trace-embrace.cabal b/trace-embrace.cabal
--- a/trace-embrace.cabal
+++ b/trace-embrace.cabal
@@ -1,6 +1,6 @@
 cabal-version:   3.0
 name:            trace-embrace
-version:         1.0.10
+version:         1.0.11
 license:         BSD-3-Clause
 license-file:    LICENSE
 category:        Development