diff --git a/publication/publication.ptx b/publication/publication.ptx
index 6c41ebbfd9..c444ed1cdb 100644
--- a/publication/publication.ptx
+++ b/publication/publication.ptx
@@ -4,7 +4,6 @@
     <version include="production"/>
   </source>
   <html>
-    <search google-cx="015103900096539427448:ngwuia10qci" />
     <css
       theme="default-modern"
       palette="blue-green"
diff --git a/publication/runestone-proteus-dev.ptx b/publication/runestone-proteus-dev.ptx
index 85ae086274..b3f050a6b6 100644
--- a/publication/runestone-proteus-dev.ptx
+++ b/publication/runestone-proteus-dev.ptx
@@ -4,7 +4,6 @@
     <version include="proteus-id proteus proteus-subtitle rs-preview"/>
   </source>
   <html>
-    <search google-cx="015103900096539427448:ngwuia10qci" />
     <css theme="salem" palette="ice-fire" />
     <!-- Examples and exercises are knowlized by default -->
     <!-- We disable this behavior  -->
diff --git a/publication/runestone-proteus-playground-dev.ptx b/publication/runestone-proteus-playground-dev.ptx
index 9671a3750a..a31a669e2a 100644
--- a/publication/runestone-proteus-playground-dev.ptx
+++ b/publication/runestone-proteus-playground-dev.ptx
@@ -4,7 +4,6 @@
     <version include="proteus-playground proteus proteus-playground-subtitle"/>
   </source>
   <html>
-    <search google-cx="015103900096539427448:ngwuia10qci" />
     <css theme="salem" palette="ice-fire"/>
     <!-- Examples and exercises are knowlized by default -->
     <!-- We disable this behavior  -->
diff --git a/publication/runestone-proteus-playground.ptx b/publication/runestone-proteus-playground.ptx
index 5458accf13..13be004524 100644
--- a/publication/runestone-proteus-playground.ptx
+++ b/publication/runestone-proteus-playground.ptx
@@ -5,7 +5,6 @@
   </source>
   <html>
     <platform host="runestone"/>
-    <search google-cx="015103900096539427448:ngwuia10qci" />
     <css theme="salem" palette="ice-fire"/>
     <!-- Examples and exercises are knowlized by default -->
     <!-- We disable this behavior  -->
diff --git a/publication/runestone-proteus.ptx b/publication/runestone-proteus.ptx
index 8afb4e7b7c..22c7ce33aa 100644
--- a/publication/runestone-proteus.ptx
+++ b/publication/runestone-proteus.ptx
@@ -5,7 +5,6 @@
   </source>
   <html>
     <platform host="runestone"/>
-    <search google-cx="015103900096539427448:ngwuia10qci" />
     <css theme="salem" palette="ice-fire"/>
     <!-- Examples and exercises are knowlized by default -->
     <!-- We disable this behavior  -->
diff --git a/publication/runestone.ptx b/publication/runestone.ptx
index 7190f29252..7ec2ae2023 100644
--- a/publication/runestone.ptx
+++ b/publication/runestone.ptx
@@ -5,7 +5,6 @@
   </source>
   <html>
     <platform host="runestone"/>
-    <search google-cx="015103900096539427448:ngwuia10qci" />
     <css colors="blue_grey" />
     <!-- Examples and exercises are knowlized by default -->
     <!-- We disable this behavior  -->
