diff --git a/quic/api/test/QuicTransportFunctionsTest.cpp b/quic/api/test/QuicTransportFunctionsTest.cpp
index 65dd54f29..d3617053e 100644
--- a/quic/api/test/QuicTransportFunctionsTest.cpp
+++ b/quic/api/test/QuicTransportFunctionsTest.cpp
@@ -88,7 +88,7 @@ void writeCryptoDataProbesToSocketForTest(
 }
 
 RegularQuicWritePacket stripPaddingFrames(RegularQuicWritePacket packet) {
-  SmallVec<QuicWriteFrame, 4, uint16_t> trimmedFrames{};
+  RegularQuicWritePacket::Vec trimmedFrames{};
   for (auto frame : packet.frames) {
     if (!frame.asPaddingFrame()) {
       trimmedFrames.push_back(frame);
diff --git a/quic/api/test/QuicTransportTest.cpp b/quic/api/test/QuicTransportTest.cpp
index e7feb2719..0662a7985 100644
--- a/quic/api/test/QuicTransportTest.cpp
+++ b/quic/api/test/QuicTransportTest.cpp
@@ -125,7 +125,7 @@ class QuicTransportTest : public Test {
 };
 
 RegularQuicWritePacket stripPaddingFrames(RegularQuicWritePacket packet) {
-  SmallVec<QuicWriteFrame, 4, uint16_t> trimmedFrames{};
+  RegularQuicWritePacket::Vec trimmedFrames{};
   for (auto frame : packet.frames) {
     if (!frame.asPaddingFrame()) {
       trimmedFrames.push_back(frame);
diff --git a/quic/codec/Types.h b/quic/codec/Types.h
index 916cc5c29..45a4a1656 100644
--- a/quic/codec/Types.h
+++ b/quic/codec/Types.h
@@ -1062,11 +1062,13 @@ struct RegularQuicPacket : public RegularPacket {
  * A representation of a regular packet that is written to the network.
  */
 struct RegularQuicWritePacket : public RegularPacket {
-  using Vec = SmallVec<QuicWriteFrame, 4, uint16_t>;
+  using Vec = std::vector<QuicWriteFrame>;
   Vec frames;
 
   explicit RegularQuicWritePacket(PacketHeader&& headerIn)
-      : RegularPacket(std::move(headerIn)) {}
+      : RegularPacket(std::move(headerIn)) {
+    frames.reserve(8);
+  }
 };
 
 /**
diff --git a/quic/loss/test/QuicLossFunctionsTest.cpp b/quic/loss/test/QuicLossFunctionsTest.cpp
index 401332ebc..ab9abcf68 100644
--- a/quic/loss/test/QuicLossFunctionsTest.cpp
+++ b/quic/loss/test/QuicLossFunctionsTest.cpp
@@ -309,7 +309,7 @@ PacketNum QuicLossFunctionsTest::sendPacket(
 }
 
 RegularQuicWritePacket stripPaddingFrames(RegularQuicWritePacket packet) {
-  SmallVec<QuicWriteFrame, 4, uint16_t> trimmedFrames{};
+  RegularQuicWritePacket::Vec trimmedFrames{};
   for (auto frame : packet.frames) {
     if (!frame.asPaddingFrame()) {
       trimmedFrames.push_back(frame);