diff --git a/app/controllers/worlds_controller.rb b/app/controllers/worlds_controller.rb
index 174d15d..f5bb140 100644
--- a/app/controllers/worlds_controller.rb
+++ b/app/controllers/worlds_controller.rb
@@ -111,6 +111,9 @@ class WorldsController < ApplicationController
   def update
     authorize :world_bet
 
+    # Disable this action now that worlds are over.
+    redirect_to "/wjpc_bets/#{@lang}/collab", notice: t("worlds.collab.error") and return
+
     @participant = WorldParticipant.find(params[:participant_id])
     if @participant.update(world_participant_params)
       participants_hash = {}
diff --git a/app/views/worlds/collab.html.slim b/app/views/worlds/collab.html.slim
index 2ee456d..ff517c4 100644
--- a/app/views/worlds/collab.html.slim
+++ b/app/views/worlds/collab.html.slim
@@ -18,10 +18,10 @@ h4.mt-4 Round A
           .input-group
             .input-group-text style="width: 350px;" #{Flags.get_flag(p.world_country.code) + " " + p.name}
             .input-group-text = t("worlds.main.rank")
-            = form.text_field :qualifier_result, value: p.qualifier_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
+            = form.text_field :qualifier_result, disabled: 1, value: p.qualifier_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
             .input-group-text = t("worlds.main.points")
             .input-group-text style="color: green; width: 60px;" #{WorldBet.points(p.qualifier_result)}
-            = form.submit t("helpers.buttons.validate"), class: "btn btn-primary", onclick: "updateScrollPos()"
+            = form.submit t("helpers.buttons.validate"), disabled: 1, class: "btn btn-primary", onclick: "updateScrollPos()"
 
 javascript:
   function updateScrollPos() {
@@ -59,10 +59,10 @@ h4.mt-5 Round B
           .input-group
             .input-group-text style="width: 350px;" #{Flags.get_flag(p.world_country.code) + " " + p.name}
             .input-group-text = t("worlds.main.rank")
-            = form.text_field :qualifier_result, value: p.qualifier_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
+            = form.text_field :qualifier_result, disabled: 1, value: p.qualifier_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
             .input-group-text = t("worlds.main.points")
             .input-group-text style="color: green; width: 60px;" #{WorldBet.points(p.qualifier_result)}
-            = form.submit t("helpers.buttons.validate"), class: "btn btn-primary", onclick: "updateScrollPos()"
+            = form.submit t("helpers.buttons.validate"), disabled: 1, class: "btn btn-primary", onclick: "updateScrollPos()"
 
 h4.mt-5 Round C
 
@@ -74,10 +74,10 @@ h4.mt-5 Round C
           .input-group
             .input-group-text style="width: 350px;" #{Flags.get_flag(p.world_country.code) + " " + p.name}
             .input-group-text = t("worlds.main.rank")
-            = form.text_field :qualifier_result, value: p.qualifier_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
+            = form.text_field :qualifier_result, disabled: 1, value: p.qualifier_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
             .input-group-text = t("worlds.main.points")
             .input-group-text style="color: green; width: 60px;" #{WorldBet.points(p.qualifier_result)}
-            = form.submit t("helpers.buttons.validate"), class: "btn btn-primary", onclick: "updateScrollPos()"
+            = form.submit t("helpers.buttons.validate"), disabled: 1, class: "btn btn-primary", onclick: "updateScrollPos()"
 
 h4.mt-5 Round D
 
@@ -89,10 +89,10 @@ h4.mt-5 Round D
           .input-group
             .input-group-text style="width: 350px;" #{Flags.get_flag(p.world_country.code) + " " + p.name}
             .input-group-text = t("worlds.main.rank")
-            = form.text_field :qualifier_result, value: p.qualifier_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
+            = form.text_field :qualifier_result, disabled: 1, value: p.qualifier_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
             .input-group-text = t("worlds.main.points")
             .input-group-text style="color: green; width: 60px;" #{WorldBet.points(p.qualifier_result)}
-            = form.submit t("helpers.buttons.validate"), class: "btn btn-primary", onclick: "updateScrollPos()"
+            = form.submit t("helpers.buttons.validate"), disabled: 1, class: "btn btn-primary", onclick: "updateScrollPos()"
 
 h4.mt-5 = "#{t("worlds.collab.semifinal")} 1"
 
@@ -104,10 +104,10 @@ h4.mt-5 = "#{t("worlds.collab.semifinal")} 1"
           .input-group
             .input-group-text style="width: 350px;" #{Flags.get_flag(p.world_country.code) + " " + p.name}
             .input-group-text = t("worlds.main.rank")
-            = form.text_field :semifinal_result, value: p.semifinal_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
+            = form.text_field :semifinal_result, disabled: 1, value: p.semifinal_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
             .input-group-text = t("worlds.main.points")
             .input-group-text style="color: green; width: 60px;" #{WorldBet.points(p.semifinal_result) * 2}
-            = form.submit t("helpers.buttons.validate"), class: "btn btn-primary", onclick: "updateScrollPos()"
+            = form.submit t("helpers.buttons.validate"), disabled: 1, class: "btn btn-primary", onclick: "updateScrollPos()"
 
 h4.mt-5 = "#{t("worlds.collab.semifinal")} 2"
 
@@ -119,10 +119,10 @@ h4.mt-5 = "#{t("worlds.collab.semifinal")} 2"
           .input-group
             .input-group-text style="width: 350px;" #{Flags.get_flag(p.world_country.code) + " " + p.name}
             .input-group-text = t("worlds.main.rank")
-            = form.text_field :semifinal_result, value: p.semifinal_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
+            = form.text_field :semifinal_result, disabled: 1, value: p.semifinal_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
             .input-group-text = t("worlds.main.points")
             .input-group-text style="color: green; width: 60px;" #{WorldBet.points(p.semifinal_result) * 2}
-            = form.submit t("helpers.buttons.validate"), class: "btn btn-primary", onclick: "updateScrollPos()"
+            = form.submit t("helpers.buttons.validate"), disabled: 1, class: "btn btn-primary", onclick: "updateScrollPos()"
 
 h4.mt-5 = "#{t("worlds.collab.final")}"
 
@@ -133,9 +133,9 @@ h4.mt-5 = "#{t("worlds.collab.final")}"
           .input-group
             .input-group-text style="width: 350px;" #{Flags.get_flag(p.world_country.code) + " " + p.name}
             .input-group-text = t("worlds.main.rank")
-            = form.text_field :final_result, value: p.final_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
+            = form.text_field :final_result, disabled: 1, value: p.final_result, autocomplete: "off", class: "form-control", style: "color: orange; max-width: 60px;"
             .input-group-text = t("worlds.main.points")
             .input-group-text style="color: green; width: 60px;" #{WorldBet.points(p.final_result) * 4}
-            = form.submit t("helpers.buttons.validate"), class: "btn btn-primary", onclick: "updateScrollPos()"
+            = form.submit t("helpers.buttons.validate"), disabled: 1, class: "btn btn-primary", onclick: "updateScrollPos()"
 
 .mb-5