diff --git a/source/ranges.tex b/source/ranges.tex
index 11c7c63033..faf4784ce0 100644
--- a/source/ranges.tex
+++ b/source/ranges.tex
@@ -14989,7 +14989,7 @@
       (@\libconcept{bidirectional_range}@<@\exposid{maybe-const}@<Const, Vs>>
         && @\exposconcept{cartesian-product-common-arg}@<@\exposid{maybe-const}@<Const, Vs>>));
 
-  template<class First, class... Vs>
+  template<class First, class...>
   concept @\defexposconcept{cartesian-product-is-common}@ =                 // \expos
     @\exposconcept{cartesian-product-common-arg}@<First>;