diff --git a/ee/query-service/main.go b/ee/query-service/main.go
index 79b970ac16..be651dfc63 100644
--- a/ee/query-service/main.go
+++ b/ee/query-service/main.go
@@ -24,7 +24,6 @@ import (
 
 func initZapLog() *zap.Logger {
 	config := zap.NewProductionConfig()
-	config.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
 	config.EncoderConfig.TimeKey = "timestamp"
 	config.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
 	logger, _ := config.Build()
diff --git a/pkg/query-service/main.go b/pkg/query-service/main.go
index 2e20aa5af3..e3ea97661b 100644
--- a/pkg/query-service/main.go
+++ b/pkg/query-service/main.go
@@ -23,7 +23,6 @@ import (
 
 func initZapLog() *zap.Logger {
 	config := zap.NewProductionConfig()
-	config.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
 	config.EncoderConfig.TimeKey = "timestamp"
 	config.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
 	logger, _ := config.Build()