diff --git a/src/uu/date/src/locale.rs b/src/uu/date/src/locale.rs
index 204c10ec2f2..1b3e3a9e29f 100644
--- a/src/uu/date/src/locale.rs
+++ b/src/uu/date/src/locale.rs
@@ -322,11 +322,6 @@ mod tests {
             // Acquire mutex to prevent interference with other tests
             let _lock = LOCALE_MUTEX.lock().unwrap();
 
-            // Save original locale (both environment and process locale)
-            let original_lc_all = std::env::var_os("LC_ALL");
-            let original_lc_time = std::env::var_os("LC_TIME");
-            let original_lang = std::env::var_os("LANG");
-
             // Save current process locale
             let original_process_locale = unsafe {
                 let ptr = libc::setlocale(libc::LC_TIME, std::ptr::null());
@@ -337,13 +332,6 @@ mod tests {
                 }
             };
 
-            unsafe {
-                // Set C locale
-                std::env::set_var("LC_ALL", "C");
-                std::env::remove_var("LC_TIME");
-                std::env::remove_var("LANG");
-            }
-
             // Get the locale format
             let format = unsafe {
                 libc::setlocale(libc::LC_TIME, c"C".as_ptr());
@@ -364,25 +352,6 @@ mod tests {
                 assert!(uses_24_hour, "C locale should use 24-hour format, got: {locale_format}");
             }
 
-            // Restore original environment variables
-            unsafe {
-                if let Some(val) = original_lc_all {
-                    std::env::set_var("LC_ALL", val);
-                } else {
-                    std::env::remove_var("LC_ALL");
-                }
-                if let Some(val) = original_lc_time {
-                    std::env::set_var("LC_TIME", val);
-                } else {
-                    std::env::remove_var("LC_TIME");
-                }
-                if let Some(val) = original_lang {
-                    std::env::set_var("LANG", val);
-                } else {
-                    std::env::remove_var("LANG");
-                }
-            }
-
             // Restore original process locale
             unsafe {
                 if let Some(locale) = original_process_locale {