diff --git a/Vectors/src/vectors.h b/Vectors/src/vectors.h
index cf1d77c..8e4daed 100644
--- a/Vectors/src/vectors.h
+++ b/Vectors/src/vectors.h
@@ -1219,7 +1219,7 @@ inline CCTK_ATTRIBUTE_ALWAYS_INLINE void vstorea(T *a, ptrdiff_t ind,
                                                  vectype<T> x) {
   return x.store(a[ind]);
 }
-
+/*
 struct vmask {
   // This mask is active (i.e. will load or store) for those element where both
   // `mpos >= 0` and `mneg < 0`.
@@ -1270,6 +1270,7 @@ template <typename T> bvectype<T> vmask::boolmask() const {
   vstorea_masked(m.elts, 0, vectype<T>(T(1.0)), *this);
   return vloada(m.elts, 0) != vectype<T>(T(0.0));
 }
+*/
 #endif
 
 // Cache information