diff --git a/core/siren-core-modules.el b/core/siren-core-modules.el
index 6c88150..3281dfe 100644
--- a/core/siren-core-modules.el
+++ b/core/siren-core-modules.el
@@ -65,7 +65,6 @@
 (require 'siren-avy)
 (require 'siren-centaur-tabs)
 (require 'siren-consult)
-(require 'siren-ctrlf)
 (require 'siren-dired)
 (require 'siren-dumb-jump)
 (require 'siren-git-link)
@@ -73,6 +72,7 @@
 (require 'siren-helm-ag)
 (require 'siren-helm-swoop)
 (require 'siren-imenu)
+(require 'siren-isearch)
 (require 'siren-recursive-narrow)
 (require 'siren-scroll-half-screen)
 
diff --git a/modules/navigation/siren-isearch.el b/modules/navigation/siren-isearch.el
new file mode 100644
index 0000000..82903e5
--- /dev/null
+++ b/modules/navigation/siren-isearch.el
@@ -0,0 +1,18 @@
+;;; siren-isearch.el --- jimeh's Emacs Siren: isearch configuration.
+
+;;; Commentary:
+
+;; Basic configuration for isearch.
+
+;;; Code:
+
+(use-package isearch
+  :straight (:type built-in)
+  :custom
+  (isearch-lazy-count t)
+  (regexp-search-ring-max 200)
+  (search-default-mode t)
+  (search-ring-max 200))
+
+(provide 'siren-isearch)
+;;; siren-isearch.el ends here