diff --git a/doc/ref/api-procedures.texi b/doc/ref/api-procedures.texi
index 2b4a05e08..1cecadf10 100644
--- a/doc/ref/api-procedures.texi
+++ b/doc/ref/api-procedures.texi
@@ -674,11 +674,6 @@ Return the source of the procedure @var{proc}. Returns @code{#f} if
 the source code is not available.
 @end deffn
 
-@deffn {Scheme Procedure} procedure-environment proc
-@deffnx {C Function} scm_procedure_environment (proc)
-Return the environment of the procedure @var{proc}. Very deprecated.
-@end deffn
-
 @deffn {Scheme Procedure} procedure-properties proc
 @deffnx {C Function} scm_procedure_properties (proc)
 Return the properties associated with @var{proc}, as an association