diff --git a/src/theme/components/collapsible-header.scss b/src/theme/components/collapsible-header.scss
index 7196c833c..f9f2eda82 100644
--- a/src/theme/components/collapsible-header.scss
+++ b/src/theme/components/collapsible-header.scss
@@ -33,7 +33,6 @@ body:not(.core-iframe-fullscreen) .collapsible-header-page {
 
     &:not(.collapsible-header-page-is-collapsed) .collapsible-header-collapsed {
         --core-header-toolbar-border-width: 0;
-        --core-header-buttons-background: var(--ion-background-color);
         --core-header-buttons-color: var(--text-color);
         ion-toolbar {
             --background: transparent;
diff --git a/src/theme/components/iframe.scss b/src/theme/components/iframe.scss
index dd6f11e7a..824bed517 100644
--- a/src/theme/components/iframe.scss
+++ b/src/theme/components/iframe.scss
@@ -39,7 +39,6 @@ body.core-iframe-fullscreen {
             --core-header-toolbar-height: 48px;
             --core-header-toolbar-color: white;
             --core-header-toolbar-background: black;
-            --core-header-buttons-background: var(--core-header-toolbar-background);
             --core-header-buttons-color: var(--core-header-toolbar-color);
             --core-header-toolbar-border-width: 0px;
 
diff --git a/src/theme/components/ion-header.scss b/src/theme/components/ion-header.scss
index 597306033..8a82ca47d 100644
--- a/src/theme/components/ion-header.scss
+++ b/src/theme/components/ion-header.scss
@@ -132,7 +132,6 @@ ion-header.header-md {
         --core-header-toolbar-border-width: 0;
         --core-header-toolbar-background: transparent;
         --core-header-shadow: none !important;
-        --core-header-buttons-background: var(--ion-background-color);
         --core-header-buttons-color: var(--text-color);
     }
 }
diff --git a/src/theme/theme.light.scss b/src/theme/theme.light.scss
index 4a0a03940..74bb7b704 100644
--- a/src/theme/theme.light.scss
+++ b/src/theme/theme.light.scss
@@ -93,7 +93,7 @@ html {
     --core-header-toolbar-background: var(--white);
     --core-header-toolbar-border-color: var(--stroke);
     --core-header-toolbar-color: var(--text-color);
-    --core-header-buttons-background: var(--core-header-toolbar-background);
+    --core-header-buttons-background: transparent;
     --core-header-buttons-color: var(--core-header-toolbar-color);
 
     --ion-searchbar-background: var(--ion-background-color);