diff --git a/folly/io/async/test/AsyncUDPSocketTest.cpp b/folly/io/async/test/AsyncUDPSocketTest.cpp
index f311968ffcf..6b206470700 100644
--- a/folly/io/async/test/AsyncUDPSocketTest.cpp
+++ b/folly/io/async/test/AsyncUDPSocketTest.cpp
@@ -378,7 +378,8 @@ class UDPNotifyClient : public UDPClient {
     SocketAddress addr;
     addr.setFromSockaddr(rawAddr, addrLen);
 
-    onDataAvailable(addr, size_t(read), false, OnDataAvailableParams());
+    onDataAvailable(
+        addr, size_t(folly::fileops::read), false, OnDataAvailableParams());
   }
 
   void onRecvMmsg(AsyncUDPSocket& sock) {
diff --git a/folly/test/FileUtilTest.cpp b/folly/test/FileUtilTest.cpp
index 35e8245fb08..8fc465d3787 100644
--- a/folly/test/FileUtilTest.cpp
+++ b/folly/test/FileUtilTest.cpp
@@ -267,7 +267,9 @@ TEST(FileUtilTest2, wrapv) {
 #ifndef _WIN32
   EXPECT_EQ(sum, wrapvFull(writev, tempFile.fd(), iov.data(), iov.size()));
 #else
-  EXPECT_EQ(sum, wrapvFull(write, tempFile.fd(), iov.data(), iov.size()));
+  EXPECT_EQ(
+      sum,
+      wrapvFull(folly::fileops::write, tempFile.fd(), iov.data(), iov.size()));
 #endif
 }
 
diff --git a/folly/test/IndexedMemPoolTest.cpp b/folly/test/IndexedMemPoolTest.cpp
index b597a884d33..19bb4f9060e 100644
--- a/folly/test/IndexedMemPoolTest.cpp
+++ b/folly/test/IndexedMemPoolTest.cpp
@@ -79,7 +79,7 @@ TEST(IndexedMemPool, noStarvation) {
         EXPECT_LE(
             idx, poolSize + (pool.NumLocalLists - 1) * pool.LocalListLimit);
         pool[idx] = i;
-        EXPECT_EQ(write(fd[1], &idx, sizeof(idx)), sizeof(idx));
+        EXPECT_EQ(fileops::write(fd[1], &idx, sizeof(idx)), sizeof(idx));
         Sched::post(&readSem);
       }
     });