diff --git a/src/qe/qe_arrays.cpp b/src/qe/qe_arrays.cpp
index cec3a7726..5d7bdaf14 100644
--- a/src/qe/qe_arrays.cpp
+++ b/src/qe/qe_arrays.cpp
@@ -967,7 +967,7 @@ namespace qe {
                 else {
                     r.reset();
                 }
-                rs.push_back(r);
+                rs.push_back(std::move(r));
             }
             return rs;
         }
diff --git a/src/util/ref_vector.h b/src/util/ref_vector.h
index 40c01b012..fd8ce43d9 100644
--- a/src/util/ref_vector.h
+++ b/src/util/ref_vector.h
@@ -327,10 +327,7 @@ public:
     // prevent abuse:
     ref_vector & operator=(ref_vector const & other) = delete;
 
-    ref_vector & operator=(ref_vector && other) {
-        super::operator=(std::move(other));
-        return *this;
-    }
+    ref_vector & operator=(ref_vector && other) = default;
 
     bool operator==(ref_vector const& other) const {
         if (other.size() != this->size()) return false;
diff --git a/src/util/vector.h b/src/util/vector.h
index 588be7ae8..010c8d7ac 100644
--- a/src/util/vector.h
+++ b/src/util/vector.h
@@ -587,13 +587,7 @@ public:
     ptr_vector():vector<T *, false>() {}
     ptr_vector(unsigned s):vector<T *, false>(s) {}
     ptr_vector(unsigned s, T * elem):vector<T *, false>(s, elem) {}
-    ptr_vector(ptr_vector const & source):vector<T *, false>(source) {}
-    ptr_vector(ptr_vector && other) noexcept : vector<T*, false>(std::move(other)) {}
     ptr_vector(unsigned s, T * const * data):vector<T *, false>(s, const_cast<T**>(data)) {}
-    ptr_vector & operator=(ptr_vector const & source) {
-        vector<T *, false>::operator=(source);
-        return *this;
-    }
 };
 
 template<typename T, typename SZ = unsigned>
@@ -602,13 +596,7 @@ public:
     svector():vector<T, false, SZ>() {}
     svector(SZ s):vector<T, false, SZ>(s) {}
     svector(SZ s, T const & elem):vector<T, false, SZ>(s, elem) {}
-    svector(svector const & source):vector<T, false, SZ>(source) {}
-    svector(svector && other) noexcept : vector<T, false, SZ>(std::move(other)) {}
     svector(SZ s, T const * data):vector<T, false, SZ>(s, data) {}
-    svector & operator=(svector const & source) {
-        vector<T, false, SZ>::operator=(source);
-        return *this;
-    }
 };