diff --git a/lisp/ob-octave.el b/lisp/ob-octave.el
index 9bf16b984..1de263a52 100644
--- a/lisp/ob-octave.el
+++ b/lisp/ob-octave.el
@@ -243,8 +243,8 @@ value of the last statement in BODY, as elisp."
       (`output
        (setq results
 	     (if matlabp
-		 (cdr (reverse (delq "" (mapcar #'org-strip-quotes
-						(mapcar #'org-trim raw)))))
+		 (cdr (reverse (delete "" (mapcar #'org-strip-quotes
+					          (mapcar #'org-trim raw)))))
 	       (cdr (member org-babel-octave-eoe-output
 			    (reverse (mapcar #'org-strip-quotes
 					     (mapcar #'org-trim raw)))))))
diff --git a/lisp/org-agenda.el b/lisp/org-agenda.el
index 3db33c4d6..a33d84f1c 100644
--- a/lisp/org-agenda.el
+++ b/lisp/org-agenda.el
@@ -7330,7 +7330,7 @@ Any match of REMOVE-RE will be removed from TXT."
 			      (let ((s (org-format-outline-path (org-get-outline-path)
 								(1- (frame-width))
 								nil org-agenda-breadcrumbs-separator)))
-				(if (eq "" s) "" (concat s org-agenda-breadcrumbs-separator))))))
+				(if (equal "" s) "" (concat s org-agenda-breadcrumbs-separator))))))
 	(setq time (cond (s2 (concat
 			      (org-agenda-time-of-day-to-ampm-maybe s1)
 			      "-" (org-agenda-time-of-day-to-ampm-maybe s2)
diff --git a/lisp/org-element.el b/lisp/org-element.el
index 4f4eebfcc..8524dd29d 100644
--- a/lisp/org-element.el
+++ b/lisp/org-element.el
@@ -7562,15 +7562,15 @@ the cache."
                  ;; beginning.
                  (next-element-re (pcase granularity
                                     ((or `headline
-                                         (guard (eq '(headline)
-                                                    restrict-elements)))
+                                         (guard (equal '(headline)
+                                                       restrict-elements)))
                                      (cons
                                       (org-with-limited-levels
                                        org-element-headline-re)
                                       'match-beg))
                                     (`headline+inlinetask
                                      (cons
-                                      (if (eq '(inlinetask) restrict-elements)
+                                      (if (equal '(inlinetask) restrict-elements)
                                           (org-inlinetask-outline-regexp)
                                         org-element-headline-re)
                                       'match-beg))