diff --git a/eth/tracers/internal/tracetest/flat_calltrace_test.go b/eth/tracers/internal/tracetest/flat_calltrace_test.go
index d40fd7fd79..a3bfd1ae30 100644
--- a/eth/tracers/internal/tracetest/flat_calltrace_test.go
+++ b/eth/tracers/internal/tracetest/flat_calltrace_test.go
@@ -158,7 +158,6 @@ func testFlatCallTracer(tracerName string, dirPath string, t *testing.T) {
 		if !strings.HasSuffix(file.Name(), ".json") {
 			continue
 		}
-		file := file // capture range variable
 		t.Run(camel(strings.TrimSuffix(file.Name(), ".json")), func(t *testing.T) {
 			t.Parallel()
 
diff --git a/eth/tracers/internal/tracetest/prestate_test.go b/eth/tracers/internal/tracetest/prestate_test.go
index 7a24358176..646f6ade8e 100644
--- a/eth/tracers/internal/tracetest/prestate_test.go
+++ b/eth/tracers/internal/tracetest/prestate_test.go
@@ -73,7 +73,6 @@ func testPrestateDiffTracer(tracerName string, dirPath string, t *testing.T) {
 		if !strings.HasSuffix(file.Name(), ".json") {
 			continue
 		}
-		file := file // capture range variable
 		t.Run(camel(strings.TrimSuffix(file.Name(), ".json")), func(t *testing.T) {
 			t.Parallel()
 
diff --git a/eth/tracers/logger/logger.go b/eth/tracers/logger/logger.go
index 022a9a83ab..84ef56ec19 100644
--- a/eth/tracers/logger/logger.go
+++ b/eth/tracers/logger/logger.go
@@ -458,7 +458,7 @@ func formatLogs(logs []StructLog) []StructLogRes {
 			}
 			formatted[index].Stack = &stack
 		}
-		if trace.ReturnData != nil && len(trace.ReturnData) > 0 {
+		if len(trace.ReturnData) > 0 {
 			formatted[index].ReturnData = hexutil.Bytes(trace.ReturnData).String()
 		}
 		if trace.Memory != nil {