diff --git a/resources/common/components/MenuDropdown.less b/resources/common/components/MenuDropdown.less
index 899743066..6e2277e1e 100644
--- a/resources/common/components/MenuDropdown.less
+++ b/resources/common/components/MenuDropdown.less
@@ -57,7 +57,7 @@
 		opacity: 0;
 		visibility: hidden;
 		transition-property: opacity;
-		transition-duration: 100ms;
+		transition-duration: @transition-duration-base;
 		z-index: @z-index-menu;
 	}
 
diff --git a/resources/common/components/SearchBox.less b/resources/common/components/SearchBox.less
index 98bc4fb0a..089d0184b 100644
--- a/resources/common/components/SearchBox.less
+++ b/resources/common/components/SearchBox.less
@@ -29,7 +29,7 @@
 	font-size: @font-size-search-input;
 	direction: ltr;
 	transition-property: border-color, box-shadow;
-	transition-duration: 250ms;
+	transition-duration: @transition-duration-medium;
 
 	// Undo the proprietary styles, we provide our own.
 	// Support: Safari/iOS `none` needed, Chrome would accept `textfield` as well. See T247299.
diff --git a/resources/common/variables.less b/resources/common/variables.less
index 915c22099..53b470a49 100644
--- a/resources/common/variables.less
+++ b/resources/common/variables.less
@@ -181,7 +181,6 @@
 // @z-index-ui-tooltip: 9999;
 
 // Transitions
-@transition-duration-base: 100ms;
 // Sticky header hide/show transition
 @transition-sticky-header: transform 250ms linear;