diff --git a/public/themes/bootstrap4-dark-blue/theme.css b/public/themes/bootstrap4-dark-blue/theme.css
index 0817a7c34..2e23c74f1 100644
--- a/public/themes/bootstrap4-dark-blue/theme.css
+++ b/public/themes/bootstrap4-dark-blue/theme.css
@@ -5951,16 +5951,4 @@
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
 }
 
-/* Vendor extensions to the designer enhanced bootstrap compatibility */
-.p-breadcrumb .p-breadcrumb-chevron {
-  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
-}
-.p-breadcrumb .p-breadcrumb-chevron:before {
-  content: "/";
-}
-
-.fc.fc-theme-standard .fc-highlight {
-  background: #476880;
-}
-
 /* Customizations to the designer theme should be defined here */
diff --git a/public/themes/bootstrap4-dark-purple/theme.css b/public/themes/bootstrap4-dark-purple/theme.css
index 6432a0fcf..207abf3f0 100644
--- a/public/themes/bootstrap4-dark-purple/theme.css
+++ b/public/themes/bootstrap4-dark-purple/theme.css
@@ -5951,16 +5951,4 @@
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
 }
 
-/* Vendor extensions to the designer enhanced bootstrap compatibility */
-.p-breadcrumb .p-breadcrumb-chevron {
-  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
-}
-.p-breadcrumb .p-breadcrumb-chevron:before {
-  content: "/";
-}
-
-.fc.fc-theme-standard .fc-highlight {
-  background: #614c6c;
-}
-
 /* Customizations to the designer theme should be defined here */
diff --git a/public/themes/bootstrap4-light-blue/theme.css b/public/themes/bootstrap4-light-blue/theme.css
index 3189352a7..9260bebbf 100644
--- a/public/themes/bootstrap4-light-blue/theme.css
+++ b/public/themes/bootstrap4-light-blue/theme.css
@@ -5951,16 +5951,4 @@
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
 }
 
-/* Vendor extensions to the designer enhanced bootstrap compatibility */
-.p-breadcrumb .p-breadcrumb-chevron {
-  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
-}
-.p-breadcrumb .p-breadcrumb-chevron:before {
-  content: "/";
-}
-
-.fc.fc-theme-standard .fc-highlight {
-  background: #cce5ff;
-}
-
 /* Customizations to the designer theme should be defined here */
diff --git a/public/themes/bootstrap4-light-purple/theme.css b/public/themes/bootstrap4-light-purple/theme.css
index 77251d9a7..235b1de34 100644
--- a/public/themes/bootstrap4-light-purple/theme.css
+++ b/public/themes/bootstrap4-light-purple/theme.css
@@ -5951,16 +5951,4 @@
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
 }
 
-/* Vendor extensions to the designer enhanced bootstrap compatibility */
-.p-breadcrumb .p-breadcrumb-chevron {
-  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
-}
-.p-breadcrumb .p-breadcrumb-chevron:before {
-  content: "/";
-}
-
-.fc.fc-theme-standard .fc-highlight {
-  background: #e7d8ef;
-}
-
 /* Customizations to the designer theme should be defined here */