diff --git a/internal/common/common_darwin.go b/internal/common/common_darwin.go
index ef88936..2c15b78 100644
--- a/internal/common/common_darwin.go
+++ b/internal/common/common_darwin.go
@@ -11,7 +11,10 @@ import (
 )
 
 func DoSysctrl(mib string) ([]string, error) {
-	os.Setenv("LC_ALL", "C")
+	err := os.Setenv("LC_ALL", "C")
+	if err != nil {
+		return []string{}, err
+	}
 	out, err := exec.Command("/usr/sbin/sysctl", "-n", mib).Output()
 	if err != nil {
 		return []string{}, err
diff --git a/internal/common/common_freebsd.go b/internal/common/common_freebsd.go
index ef7b914..ef9ca56 100644
--- a/internal/common/common_freebsd.go
+++ b/internal/common/common_freebsd.go
@@ -11,7 +11,10 @@ import (
 )
 
 func DoSysctrl(mib string) ([]string, error) {
-	os.Setenv("LC_ALL", "C")
+	err := os.Setenv("LC_ALL", "C")
+	if err != nil {
+		return []string{}, err
+	}
 	out, err := exec.Command("/sbin/sysctl", "-n", mib).Output()
 	if err != nil {
 		return []string{}, err
diff --git a/process/process_darwin.go b/process/process_darwin.go
index a40034a..8e4d518 100644
--- a/process/process_darwin.go
+++ b/process/process_darwin.go
@@ -327,11 +327,6 @@ func (p *Process) MemoryMaps(grouped bool) (*[]MemoryMapsStat, error) {
 	return &ret, common.NotImplementedError
 }
 
-func copyParams(k *KinfoProc, p *Process) error {
-
-	return nil
-}
-
 func processes() ([]Process, error) {
 	results := make([]Process, 0, 50)
 
@@ -364,8 +359,6 @@ func processes() ([]Process, error) {
 		if err != nil {
 			continue
 		}
-		copyParams(&k, p)
-
 		results = append(results, *p)
 	}