Teach env_universal_remove to directly report whether the variable was

successfully removed.

1 files changed, 1 insertions, 1 deletions

diff --git a/env.cpp b/env.cpp
index 21e0adee..106af3b4 100644
--- a/env.cpp
+++ b/env.cpp
@@ -917,7 +917,7 @@ int env_remove(const wcstring &key, int var_mode)
             !(var_mode & ENV_GLOBAL) &&
             !(var_mode & ENV_LOCAL))
     {
-        erased = ! env_universal_remove(key.c_str());
+        erased = env_universal_remove(key);
     }
 
     react_to_variable_change(key);