diff --git a/base/ltcmd.dtx b/base/ltcmd.dtx
index 10c74bcc9..763d6c84c 100644
--- a/base/ltcmd.dtx
+++ b/base/ltcmd.dtx
@@ -598,7 +598,7 @@
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_start_env:nnnnn #1#2
   {
-    \cs_if_exist_use:N \conditionally@traceoff
+    \conditionally@traceoff
     \group_align_safe_begin:
     \str_set:Nn \l_@@_environment_str {#2}
     \bool_set_true:N \l_@@_environment_bool
@@ -610,7 +610,7 @@
 \cs_new_protected:Npx \@@_start:nNNnnn #1#2#3
   {
     \exp_not:c { xparse~function~is~not~expandable }
-    \exp_not:n { \cs_if_exist_use:N \conditionally@traceoff }
+    \exp_not:N \conditionally@traceoff
     \exp_not:N \group_align_safe_begin:
     \exp_not:n { \bool_set_false:N \l_@@_environment_bool }
     \exp_not:N \@@_start_aux:NNnnnn
@@ -648,7 +648,7 @@
     \tl_if_empty:NF \l_@@_defaults_tl { \@@_defaults: }
     \tl_if_empty:NF \l_@@_process_all_tl { \@@_args_process: }
     \group_align_safe_end:
-    \cs_if_exist_use:N \conditionally@traceon
+    \conditionally@traceon
     \exp_after:wN \l_@@_fn_code_tl \l_@@_args_tl
   }
 %    \end{macrocode}