diff --git a/adb/adb.cpp b/adb/adb.cpp
index 38c6f62..a8fe736 100644
--- a/adb/adb.cpp
+++ b/adb/adb.cpp
@@ -891,6 +891,10 @@
         // child side of the fork
         pipe_read.reset();
 
+        // android::base::Pipe unconditionally opens the pipe with O_CLOEXEC.
+        // Undo this manually.
+        fcntl(pipe_write.get(), F_SETFD, 0);
+
         char reply_fd[30];
         snprintf(reply_fd, sizeof(reply_fd), "%d", pipe_write.get());
         // child process
diff --git a/adb/adb_unique_fd.cpp b/adb/adb_unique_fd.cpp
index 58e768e..dec73bc 100644
--- a/adb/adb_unique_fd.cpp
+++ b/adb/adb_unique_fd.cpp
@@ -21,49 +21,8 @@
 
 #include "sysdeps.h"
 
+#if defined(_WIN32)
 void AdbCloser::Close(int fd) {
     adb_close(fd);
 }
-
-#if !defined(_WIN32)
-bool Pipe(unique_fd* read, unique_fd* write, int flags) {
-    int pipefd[2];
-#if !defined(__APPLE__)
-    if (pipe2(pipefd, flags) != 0) {
-        return false;
-    }
-#else
-    // Darwin doesn't have pipe2. Implement it ourselves.
-    if (flags != 0 && (flags & ~(O_CLOEXEC | O_NONBLOCK)) != 0) {
-        errno = EINVAL;
-        return false;
-    }
-
-    if (pipe(pipefd) != 0) {
-        return false;
-    }
-
-    if (flags & O_CLOEXEC) {
-        if (fcntl(pipefd[0], F_SETFD, FD_CLOEXEC) != 0 ||
-            fcntl(pipefd[1], F_SETFD, FD_CLOEXEC) != 0) {
-            adb_close(pipefd[0]);
-            adb_close(pipefd[1]);
-            return false;
-        }
-    }
-
-    if (flags & O_NONBLOCK) {
-        if (fcntl(pipefd[0], F_SETFL, O_NONBLOCK) != 0 ||
-            fcntl(pipefd[1], F_SETFL, O_NONBLOCK) != 0) {
-            adb_close(pipefd[0]);
-            adb_close(pipefd[1]);
-            return false;
-        }
-    }
-#endif
-
-    read->reset(pipefd[0]);
-    write->reset(pipefd[1]);
-    return true;
-}
 #endif
diff --git a/adb/adb_unique_fd.h b/adb/adb_unique_fd.h
index bad501a..d47213d 100644
--- a/adb/adb_unique_fd.h
+++ b/adb/adb_unique_fd.h
@@ -21,15 +21,15 @@
 
 #include <android-base/unique_fd.h>
 
+#if defined(_WIN32)
 // Helper to automatically close an FD when it goes out of scope.
 struct AdbCloser {
     static void Close(int fd);
 };
 
 using unique_fd = android::base::unique_fd_impl<AdbCloser>;
-
-#if !defined(_WIN32)
-bool Pipe(unique_fd* read, unique_fd* write, int flags = 0);
+#else
+using unique_fd = android::base::unique_fd;
 #endif
 
 template <typename T>