diff --git a/less/variables.less b/less/variables.less
index 8122161fd3..3d7cb660c3 100644
--- a/less/variables.less
+++ b/less/variables.less
@@ -189,6 +189,9 @@
 
 @dropdown-header-color:          @gray-light;
 
+// Note: Deprecated @dropdown-caret-color as of v3.1.0
+@dropdown-caret-color:           #000;
+
 
 // COMPONENT VARIABLES
 // --------------------------------------------------