diff --git a/theme/boost/scss/moodle/print.scss b/theme/boost/scss/moodle/print.scss
index 5d91753dbfe..ef051ba890f 100644
--- a/theme/boost/scss/moodle/print.scss
+++ b/theme/boost/scss/moodle/print.scss
@@ -10,7 +10,13 @@
         width: auto;
     }
 
+    // Remove navbar in print mode.
     .navbar {
         display: none;
     }
+
+    // Remove tertiary navigation in print mode.
+    .tertiary-navigation {
+        display: none;
+    }
 }
diff --git a/theme/boost/scss/moodle/tertiarynavigation.scss b/theme/boost/scss/moodle/tertiarynavigation.scss
index bf5f983cda0..0ef18be7b87 100644
--- a/theme/boost/scss/moodle/tertiarynavigation.scss
+++ b/theme/boost/scss/moodle/tertiarynavigation.scss
@@ -82,9 +82,3 @@
         font-size: 80%;
     }
 }
-
-@media print {
-    .tertiary-navigation {
-        display: none;
-    }
-}
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index bdf32041baa..1b70790e7b2 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -38911,6 +38911,9 @@ span[data-flexitour=container][x-placement=right] div[data-role=arrow]:after, sp
   .navbar {
     display: none;
   }
+  .tertiary-navigation {
+    display: none;
+  }
 }
 .modal .modal-body > .loading-icon {
   display: block;
@@ -40692,11 +40695,6 @@ div.editor_atto_toolbar button .icon {
     font-size: 80%;
   }
 }
-@media print {
-  .tertiary-navigation {
-    display: none;
-  }
-}
 .popover-process-monitor {
   position: fixed;
   right: 2rem;
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 494f73a49f0..f461e1c1d6c 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -38845,6 +38845,9 @@ span[data-flexitour=container][x-placement=right] div[data-role=arrow]:after, sp
   .navbar {
     display: none;
   }
+  .tertiary-navigation {
+    display: none;
+  }
 }
 .modal .modal-body > .loading-icon {
   display: block;
@@ -40626,11 +40629,6 @@ div.editor_atto_toolbar button .icon {
     font-size: 80%;
   }
 }
-@media print {
-  .tertiary-navigation {
-    display: none;
-  }
-}
 .popover-process-monitor {
   position: fixed;
   right: 2rem;