diff --git a/app/controllers/transactions_controller.rb b/app/controllers/transactions_controller.rb
index 0bbad7abe..d462d98bb 100644
--- a/app/controllers/transactions_controller.rb
+++ b/app/controllers/transactions_controller.rb
@@ -394,13 +394,6 @@ class TransactionsController < ApplicationController
     end
   end
 
-  def update_preferences
-    Current.user.update_transactions_preferences(preferences_params)
-    head :ok
-  rescue ActiveRecord::RecordInvalid, ActiveRecord::RecordNotSaved
-    head :unprocessable_entity
-  end
-
   def exchange_rate
     account = Current.family.accounts.find(params[:account_id])
     currency_from = params[:currency]
@@ -584,10 +577,6 @@ class TransactionsController < ApplicationController
       Current.session.prev_transaction_page_params
     end
 
-    def preferences_params
-      params.require(:preferences).permit(collapsed_sections: {})
-    end
-
     # Helper methods for convert_to_trade
 
     def resolve_security_for_conversion
diff --git a/app/javascript/controllers/transactions_section_controller.js b/app/javascript/controllers/transactions_section_controller.js
deleted file mode 100644
index 67915a549..000000000
--- a/app/javascript/controllers/transactions_section_controller.js
+++ /dev/null
@@ -1,96 +0,0 @@
-import { Controller } from "@hotwired/stimulus";
-
-export default class extends Controller {
-  static targets = ["content", "chevron", "button"];
-  static values = {
-    sectionKey: String,
-    collapsed: Boolean,
-  };
-
-  connect() {
-    if (this.collapsedValue) {
-      this.collapse(false);
-    }
-  }
-
-  toggle(event) {
-    event.preventDefault();
-    if (this.collapsedValue) {
-      this.expand();
-    } else {
-      this.collapse();
-    }
-  }
-
-  handleToggleKeydown(event) {
-    // Handle Enter and Space keys for keyboard accessibility
-    if (event.key === "Enter" || event.key === " ") {
-      event.preventDefault();
-      event.stopPropagation();
-      this.toggle(event);
-    }
-  }
-
-  collapse(persist = true) {
-    this.contentTarget.classList.add("hidden");
-    this.chevronTarget.classList.add("-rotate-90");
-    this.collapsedValue = true;
-    if (this.hasButtonTarget) {
-      this.buttonTarget.setAttribute("aria-expanded", "false");
-    }
-    if (persist) {
-      this.savePreference(true);
-    }
-  }
-
-  expand() {
-    this.contentTarget.classList.remove("hidden");
-    this.chevronTarget.classList.remove("-rotate-90");
-    this.collapsedValue = false;
-    if (this.hasButtonTarget) {
-      this.buttonTarget.setAttribute("aria-expanded", "true");
-    }
-    this.savePreference(false);
-  }
-
-  async savePreference(collapsed) {
-    const preferences = {
-      collapsed_sections: {
-        [this.sectionKeyValue]: collapsed,
-      },
-    };
-
-    const csrfToken = document.querySelector('meta[name="csrf-token"]');
-    if (!csrfToken) {
-      console.error(
-        "[Transactions Section] CSRF token not found. Cannot save preferences.",
-      );
-      return;
-    }
-
-    try {
-      const response = await fetch("/transactions/update_preferences", {
-        method: "PATCH",
-        headers: {
-          "Content-Type": "application/json",
-          "X-CSRF-Token": csrfToken.content,
-        },
-        body: JSON.stringify({ preferences }),
-      });
-
-      if (!response.ok) {
-        const errorData = await response.json().catch(() => ({}));
-        console.error(
-          "[Transactions Section] Failed to save preferences:",
-          response.status,
-          errorData,
-        );
-      }
-    } catch (error) {
-      console.error(
-        "[Transactions Section] Network error saving preferences:",
-        error,
-      );
-    }
-  }
-}
diff --git a/app/models/user.rb b/app/models/user.rb
index efc435b3b..e068a3a4c 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -385,10 +385,6 @@ class User < ApplicationRecord
   end
 
   # Transactions preferences management
-  def transactions_section_collapsed?(section_key)
-    preferences&.dig("transactions_collapsed_sections", section_key) == true
-  end
-
   def show_split_grouped?
     preferences&.dig("show_split_grouped") != false
   end
@@ -405,24 +401,6 @@ class User < ApplicationRecord
     preferences&.dig("preview_features_enabled") == true
   end
 
-  def update_transactions_preferences(prefs)
-    transaction do
-      lock!
-
-      updated_prefs = (preferences || {}).deep_dup
-      prefs.each do |key, value|
-        if value.is_a?(Hash)
-          updated_prefs["transactions_#{key}"] ||= {}
-          updated_prefs["transactions_#{key}"] = updated_prefs["transactions_#{key}"].merge(value)
-        else
-          updated_prefs["transactions_#{key}"] = value
-        end
-      end
-
-      update!(preferences: updated_prefs)
-    end
-  end
-
   private
     def apply_ui_layout_defaults
       self.ui_layout = (ui_layout.presence || self.class.default_ui_layout)
diff --git a/config/routes.rb b/config/routes.rb
index f6ffcd6ba..8f3e79116 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -481,7 +481,6 @@ Rails.application.routes.draw do
 
     collection do
       delete :clear_filter
-      patch :update_preferences
     end
 
     member do