diff --git a/lisp/ielm.el b/lisp/ielm.el
index fb285e80f6..30d6515e69 100644
--- a/lisp/ielm.el
+++ b/lisp/ielm.el
@@ -354,7 +354,7 @@ nonempty, then flushes the buffer."
         (wbuf ielm-working-buffer)   ; current buffer after evaluation
         (pmark (ielm-pm)))
     (unless (ielm-is-whitespace-or-comment string)
-      (condition-case err
+      (condition-case-unless-debug err
           (let ((rout (read-from-string string)))
             (setq form (car rout)
                   pos (cdr rout)))
@@ -384,7 +384,7 @@ nonempty, then flushes the buffer."
                 (set-match-data ielm-match-data)
                 (save-excursion
                   (with-temp-buffer
-                    (condition-case err
+                    (condition-case-unless-debug err
                         (unwind-protect
                             ;; The next let form creates default
                             ;; bindings for *, ** and ***.  But
@@ -436,7 +436,7 @@ nonempty, then flushes the buffer."
 
       (goto-char pmark)
       (unless error-type
-        (condition-case nil
+        (condition-case-unless-debug nil
             ;; Self-referential objects cause loops in the printer, so
             ;; trap quits here. May as well do errors, too
             (unless for-effect
@@ -517,9 +517,6 @@ causes output to be directed to the ielm buffer.
 set to a different value during evaluation.  You can use (princ
 VALUE) or (pp VALUE) to write to the ielm buffer.
 
-Expressions evaluated by IELM are not subject to `debug-on-quit' or
-`debug-on-error'.
-
 The behavior of IELM may be customized with the following variables:
 * To stop beeping on error, set `ielm-noisy' to nil.
 * If you don't like the prompt, you can change it by setting `ielm-prompt'.