diff --git a/docs/changelog/7.x.x.txt b/docs/changelog/7.x.x.txt
index 29aa7ed4c..5662b7105 100644
--- a/docs/changelog/7.x.x.txt
+++ b/docs/changelog/7.x.x.txt
@@ -6,6 +6,8 @@
     the web interface, but the package would be imported successfully.
  - fix: 7.5.0 upgrade template for time tracker was corrupt.
  - fix: replaced return; with return undef; and changed WGBP.
+ - removed old CS based photo gallery prototype in favor of the new gallery
+   asset
 
 7.5.0
  - rfe: Search Asset returns URLs
diff --git a/docs/gotcha.txt b/docs/gotcha.txt
index 3d5905ff6..b561b22f5 100644
--- a/docs/gotcha.txt
+++ b/docs/gotcha.txt
@@ -21,6 +21,10 @@ save you many hours of grief.
    details.
    Your custom Event Edit and Event View templates may need fixing.
 
+ * If you want to use the beta, you must first upgrade to 7.4.21 then
+   upgrade to the beta. If you upgrade past 7.4.21 then you cannot
+   use the beta.
+
 7.4.12
 --------------------------------------------------------------------
  * Any customizations made to the Matrix default Search, Compare or
diff --git a/docs/upgrades/upgrade_7.5.0-7.5.1.pl b/docs/upgrades/upgrade_7.5.0-7.5.1.pl
index 0d47257e5..116b9ae51 100644
--- a/docs/upgrades/upgrade_7.5.0-7.5.1.pl
+++ b/docs/upgrades/upgrade_7.5.0-7.5.1.pl
@@ -16,23 +16,24 @@ use WebGUI::Storage;
 use WebGUI::Asset;
 
 
-my $toVersion = "0.0.0"; # make this match what version you're going to
+my $toVersion = "7.5.1"; # make this match what version you're going to
 my $quiet; # this line required
 
 
 my $session = start(); # this line required
-
-# upgrade functions go here
-
+removeOldPhotoGallery($session);
 finish($session); # this line required
 
 
-##-------------------------------------------------
-#sub exampleFunction {
-#	my $session = shift;
-#	print "\tWe're doing some stuff here that you should know about.\n" unless ($quiet);
-#	# and here's our code
-#}
+#-------------------------------------------------
+sub removeOldPhotoGallery {
+	my $session = shift;
+    print "\tRemoving CS Photo Gallery prototype.\n" unless ($quiet);
+    my $gallery = WebGUI::Asset->newByDynamicClass($session, "pbproto000000000000001");
+    if (defined $gallery) {
+        $gallery->purge;
+    }
+}
 
 
 # --------------- DO NOT EDIT BELOW THIS LINE --------------------------------