diff --git a/streaming/messages/prepare_message.cc b/streaming/messages/prepare_message.cc
index 51f27d8951..957c5276a4 100644
--- a/streaming/messages/prepare_message.cc
+++ b/streaming/messages/prepare_message.cc
@@ -41,14 +41,14 @@ void prepare_message::serialize(bytes::iterator& out) const {
 
 prepare_message prepare_message::deserialize(bytes_view& v) {
     auto num = read_simple<int32_t>(v);
-    std::vector<stream_request> requests_(num);
+    std::vector<stream_request> requests_;
     for (int32_t i = 0; i < num; i++) {
         auto r = stream_request::deserialize(v);
         requests_.push_back(std::move(r));
     }
 
     num = read_simple<int32_t>(v);
-    std::vector<stream_summary> summaries_(num);
+    std::vector<stream_summary> summaries_;
     for (int32_t i = 0; i < num; i++) {
         auto s = stream_summary::deserialize(v);
         summaries_.push_back(std::move(s));
diff --git a/streaming/stream_request.cc b/streaming/stream_request.cc
index c1fe28f730..5ddea21f15 100644
--- a/streaming/stream_request.cc
+++ b/streaming/stream_request.cc
@@ -43,13 +43,13 @@ stream_request stream_request::deserialize(bytes_view& v) {
     auto keyspace_ = read_simple_short_string(v);
 
     auto num = read_simple<int32_t>(v);
-    std::vector<query::range<token>> ranges_(num);
+    std::vector<query::range<token>> ranges_;
     for (int32_t i = 0; i < num; i++) {
         // FIXME: query::range<token>
     }
 
     num = read_simple<int32_t>(v);
-    std::vector<sstring> column_families_(num);
+    std::vector<sstring> column_families_;
     for (int32_t i = 0; i < num; i++) {
         auto s = read_simple_short_string(v);
         column_families_.push_back(std::move(s));