diff --git a/logging/logrus/logger.go b/logging/logrus/logger.go
index 2d26fef..f164f89 100644
--- a/logging/logrus/logger.go
+++ b/logging/logrus/logger.go
@@ -26,7 +26,6 @@ type Logger struct {
 }
 
 func NewLogger(opts ...Option) *Logger {
-
 	return &Logger{
 		otellogrus.NewKLogger(opts...),
 	}
diff --git a/logging/zap/go.mod b/logging/zap/go.mod
index e2412c7..3536008 100644
--- a/logging/zap/go.mod
+++ b/logging/zap/go.mod
@@ -11,7 +11,6 @@ require (
 	go.opentelemetry.io/otel v1.28.0
 	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.28.0
 	go.opentelemetry.io/otel/sdk v1.28.0
-	go.opentelemetry.io/otel/trace v1.28.0
 	go.uber.org/zap v1.24.0
 )
 
diff --git a/logging/zap/logger.go b/logging/zap/logger.go
index 59fa63e..be573c5 100644
--- a/logging/zap/logger.go
+++ b/logging/zap/logger.go
@@ -21,13 +21,6 @@ import (
 
 var _ klog.FullLogger = (*Logger)(nil)
 
-// Ref to https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/logs/README.md#json-formats
-const (
-	traceIDKey    = "trace_id"
-	spanIDKey     = "span_id"
-	traceFlagsKey = "trace_flags"
-)
-
 type Logger struct {
 	otelzap.KLogger
 }
diff --git a/logging/zerolog/logger.go b/logging/zerolog/logger.go
index 962953a..29c5640 100644
--- a/logging/zerolog/logger.go
+++ b/logging/zerolog/logger.go
@@ -22,13 +22,6 @@ import (
 
 var _ klog.FullLogger = (*Logger)(nil)
 
-// Ref to https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/logs/README.md#json-formats
-const (
-	traceIDKey    = "trace_id"
-	spanIDKey     = "span_id"
-	traceFlagsKey = "trace_flags"
-)
-
 type Logger struct {
 	cwotelzero.KLogger
 }