diff --git a/Gruntfile.js b/Gruntfile.js
index 09af7e2e2c..652d4d0f24 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -133,6 +133,8 @@ module.exports = grunt => {
                     '!build/tmp/client/custom/modules',
                     'build/tmp/client/custom/modules/*',
                     '!build/tmp/client/custom/modules/dummy.txt',
+                    'build/tmp/client/lib/original/espo-*.js',
+                    '!build/tmp/client/lib/original/espo-funnel-chart.js',
                 ]
             },
         },
diff --git a/upgrades/7.6/data.json b/upgrades/7.6/data.json
index 836f7738f0..e302b05a80 100644
--- a/upgrades/7.6/data.json
+++ b/upgrades/7.6/data.json
@@ -1,6 +1,7 @@
 {
     "manifest": {
         "delete": [
+            "client/lib/original/espo.js",
             "client/lib/espo.min.js",
             "client/lib/espo.min.js.map",
             "client/lib/original/espo.js",