diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 616304c..67527b2 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -719,6 +719,9 @@
     return timeout_ms > MINIMUM_LOGCAT_TIMEOUT_MS ? timeout_ms : MINIMUM_LOGCAT_TIMEOUT_MS;
 }
 
+// Opens a socket and returns its file descriptor.
+static int open_socket(const char* service);
+
 Dumpstate::ConsentCallback::ConsentCallback() : result_(UNAVAILABLE), start_time_(Nanotime()) {
 }
 
@@ -2286,20 +2289,18 @@
 
 static void ShowUsage() {
     fprintf(stderr,
-            "usage: dumpstate [-h] [-b soundfile] [-e soundfile] [-o directory] [-d] [-p] "
-            "[-z] [-s] [-S] [-q] [-P] [-R] [-L] [-V version]\n"
+            "usage: dumpstate [-h] [-b soundfile] [-e soundfile] [-o directory] [-p] "
+            "[-s] [-S] [-q] [-P] [-R] [-L] [-V version]\n"
             "  -h: display this help message\n"
             "  -b: play sound file instead of vibrate, at beginning of job\n"
             "  -e: play sound file instead of vibrate, at end of job\n"
             "  -o: write to custom directory (only in limited mode)\n"
-            "  -d: append date to filename\n"
             "  -p: capture screenshot to filename.png\n"
-            "  -z: generate zipped file\n"
-            "  -s: write output to control socket (for init)\n"
-            "  -S: write file location to control socket (for init; requires -z)\n"
+            "  -s: write zipped file to control socket (for init)\n"
+            "  -S: write file location to control socket (for init)\n"
             "  -q: disable vibrate\n"
             "  -P: send broadcast when started and do progress updates\n"
-            "  -R: take bugreport in remote mode (requires -z and -d, shouldn't be used with -P)\n"
+            "  -R: take bugreport in remote mode (shouldn't be used with -P)\n"
             "  -w: start binder service and make it wait for a call to startBugreport\n"
             "  -L: output limited information that is safe for submission in feedback reports\n"
             "  -v: prints the dumpstate header and exit\n");
@@ -2398,21 +2399,17 @@
 
 /*
  * Prepares state like filename, screenshot path, etc in Dumpstate. Also initializes ZipWriter
- * if we are writing zip files and adds the version file.
+ * and adds the version file. Return false if zip_file could not be open to write.
  */
-static void PrepareToWriteToFile() {
+static bool PrepareToWriteToFile() {
     MaybeResolveSymlink(&ds.bugreport_internal_dir_);
 
     std::string build_id = android::base::GetProperty("ro.build.id", "UNKNOWN_BUILD");
     std::string device_name = android::base::GetProperty("ro.product.name", "UNKNOWN_DEVICE");
     ds.base_name_ = StringPrintf("bugreport-%s-%s", device_name.c_str(), build_id.c_str());
-    if (ds.options_->do_add_date) {
-        char date[80];
-        strftime(date, sizeof(date), "%Y-%m-%d-%H-%M-%S", localtime(&ds.now_));
-        ds.name_ = date;
-    } else {
-        ds.name_ = "undated";
-    }
+    char date[80];
+    strftime(date, sizeof(date), "%Y-%m-%d-%H-%M-%S", localtime(&ds.now_));
+    ds.name_ = date;
 
     if (ds.options_->telephony_only) {
         ds.base_name_ += "-telephony";
@@ -2439,18 +2436,17 @@
         destination.c_str(), ds.base_name_.c_str(), ds.name_.c_str(), ds.log_path_.c_str(),
         ds.tmp_path_.c_str(), ds.screenshot_path_.c_str());
 
-    if (ds.options_->do_zip_file) {
-        ds.path_ = ds.GetPath(ds.CalledByApi() ? "-zip.tmp" : ".zip");
-        MYLOGD("Creating initial .zip file (%s)\n", ds.path_.c_str());
-        create_parent_dirs(ds.path_.c_str());
-        ds.zip_file.reset(fopen(ds.path_.c_str(), "wb"));
-        if (ds.zip_file == nullptr) {
-            MYLOGE("fopen(%s, 'wb'): %s\n", ds.path_.c_str(), strerror(errno));
-        } else {
-            ds.zip_writer_.reset(new ZipWriter(ds.zip_file.get()));
-        }
-        ds.AddTextZipEntry("version.txt", ds.version_);
+    ds.path_ = ds.GetPath(ds.CalledByApi() ? "-zip.tmp" : ".zip");
+    MYLOGD("Creating initial .zip file (%s)\n", ds.path_.c_str());
+    create_parent_dirs(ds.path_.c_str());
+    ds.zip_file.reset(fopen(ds.path_.c_str(), "wb"));
+    if (ds.zip_file == nullptr) {
+        MYLOGE("fopen(%s, 'wb'): %s\n", ds.path_.c_str(), strerror(errno));
+        return false;
     }
+    ds.zip_writer_.reset(new ZipWriter(ds.zip_file.get()));
+    ds.AddTextZipEntry("version.txt", ds.version_);
+    return true;
 }
 
 /*
@@ -2458,14 +2454,9 @@
  * printing zipped file status, etc.
  */
 static void FinalizeFile() {
-    bool do_text_file = true;
-    if (ds.options_->do_zip_file) {
-        if (!ds.FinishZipFile()) {
-            MYLOGE("Failed to finish zip file; sending text bugreport instead\n");
-            do_text_file = true;
-        } else {
-            do_text_file = false;
-        }
+    bool do_text_file = !ds.FinishZipFile();
+    if (do_text_file) {
+        MYLOGE("Failed to finish zip file; sending text bugreport instead\n");
     }
 
     std::string final_path = ds.path_;
@@ -2474,7 +2465,9 @@
         android::os::CopyFileToFile(ds.path_, final_path);
     }
 
-    if (ds.options_->use_control_socket) {
+    if (ds.options_->stream_to_socket) {
+        android::os::CopyFileToFd(ds.path_, ds.control_socket_fd_);
+    } else if (ds.options_->progress_updates_to_socket) {
         if (do_text_file) {
             dprintf(ds.control_socket_fd_,
                     "FAIL:could not create zip file, check %s "
@@ -2530,7 +2523,6 @@
             break;
         case Dumpstate::BugreportMode::BUGREPORT_WEAR:
             options->do_progress_updates = true;
-            options->do_zip_file = true;
             options->do_screenshot = is_screenshot_requested;
             options->dumpstate_hal_mode = DumpstateMode::WEAR;
             break;
@@ -2543,7 +2535,6 @@
             break;
         case Dumpstate::BugreportMode::BUGREPORT_WIFI:
             options->wifi_only = true;
-            options->do_zip_file = true;
             options->do_screenshot = false;
             options->dumpstate_hal_mode = DumpstateMode::WIFI;
             break;
@@ -2554,11 +2545,11 @@
 
 static void LogDumpOptions(const Dumpstate::DumpOptions& options) {
     MYLOGI(
-        "do_zip_file: %d do_vibrate: %d use_socket: %d use_control_socket: %d do_screenshot: %d "
+        "do_vibrate: %d stream_to_socket: %d progress_updates_to_socket: %d do_screenshot: %d "
         "is_remote_mode: %d show_header_only: %d telephony_only: %d "
         "wifi_only: %d do_progress_updates: %d fd: %d bugreport_mode: %s dumpstate_hal_mode: %s "
         "limited_only: %d args: %s\n",
-        options.do_zip_file, options.do_vibrate, options.use_socket, options.use_control_socket,
+        options.do_vibrate, options.stream_to_socket, options.progress_updates_to_socket,
         options.do_screenshot, options.is_remote_mode, options.show_header_only,
         options.telephony_only, options.wifi_only,
         options.do_progress_updates, options.bugreport_fd.get(), options.bugreport_mode.c_str(),
@@ -2569,11 +2560,6 @@
                                         const android::base::unique_fd& bugreport_fd_in,
                                         const android::base::unique_fd& screenshot_fd_in,
                                         bool is_screenshot_requested) {
-    // In the new API world, date is always added; output is always a zip file.
-    // TODO(111441001): remove these options once they are obsolete.
-    do_add_date = true;
-    do_zip_file = true;
-
     // Duplicate the fds because the passed in fds don't outlive the binder transaction.
     bugreport_fd.reset(dup(bugreport_fd_in.get()));
     screenshot_fd.reset(dup(screenshot_fd_in.get()));
@@ -2587,18 +2573,20 @@
     while ((c = getopt(argc, argv, "dho:svqzpLPBRSV:w")) != -1) {
         switch (c) {
             // clang-format off
-            case 'd': do_add_date = true;            break;
-            case 'z': do_zip_file = true;            break;
             case 'o': out_dir = optarg;              break;
-            case 's': use_socket = true;             break;
-            case 'S': use_control_socket = true;     break;
+            case 's': stream_to_socket = true;       break;
+            case 'S': progress_updates_to_socket = true;    break;
             case 'v': show_header_only = true;       break;
             case 'q': do_vibrate = false;            break;
             case 'p': do_screenshot = true;          break;
             case 'P': do_progress_updates = true;    break;
             case 'R': is_remote_mode = true;         break;
             case 'L': limited_only = true;           break;
-            case 'V':                                break;  // compatibility no-op
+            case 'V':
+            case 'd':
+            case 'z':
+                // compatibility no-op
+                break;
             case 'w':
                 // This was already processed
                 break;
@@ -2627,19 +2615,15 @@
 }
 
 bool Dumpstate::DumpOptions::ValidateOptions() const {
-    if (bugreport_fd.get() != -1 && !do_zip_file) {
+    if (bugreport_fd.get() != -1 && stream_to_socket) {
         return false;
     }
 
-    if ((do_zip_file || do_add_date || do_progress_updates) && !OutputToFile()) {
+    if ((progress_updates_to_socket || do_progress_updates) && stream_to_socket) {
         return false;
     }
 
-    if (use_control_socket && !do_zip_file) {
-        return false;
-    }
-
-    if (is_remote_mode && (do_progress_updates || !do_zip_file || !do_add_date)) {
+    if (is_remote_mode && (do_progress_updates || stream_to_socket)) {
         return false;
     }
     return true;
@@ -2714,11 +2698,9 @@
  * The temporary bugreport is then populated via printfs, dumping contents of files and
  * output of commands to stdout.
  *
- * If zipping, the temporary bugreport file is added to the zip archive. Else it's renamed to final
- * text file.
+ * A bunch of other files and dumps are added to the zip archive.
  *
- * If zipping, a bunch of other files and dumps also get added to the zip archive. The log file also
- * gets added to the archive.
+ * The temporary bugreport file and the log file also get added to the archive.
  *
  * Bugreports are first generated in a local directory and later copied to the caller's fd
  * or directory if supplied.
@@ -2766,14 +2748,9 @@
     MYLOGD("dumpstate calling_uid = %d ; calling package = %s \n",
             calling_uid, calling_package.c_str());
 
-    // Redirect output if needed
-    bool is_redirecting = options_->OutputToFile();
-
     // TODO: temporarily set progress until it's part of the Dumpstate constructor
     std::string stats_path =
-        is_redirecting
-            ? android::base::StringPrintf("%s/dumpstate-stats.txt", bugreport_internal_dir_.c_str())
-            : "";
+        android::base::StringPrintf("%s/dumpstate-stats.txt", bugreport_internal_dir_.c_str());
     progress_.reset(new Progress(stats_path));
 
     if (acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME) < 0) {
@@ -2796,35 +2773,33 @@
 
     // If we are going to use a socket, do it as early as possible
     // to avoid timeouts from bugreport.
-    if (options_->use_socket) {
-        if (!redirect_to_socket(stdout, "dumpstate")) {
-            return ERROR;
-        }
-    }
-
-    if (options_->use_control_socket) {
+    if (options_->stream_to_socket || options_->progress_updates_to_socket) {
         MYLOGD("Opening control socket\n");
-        control_socket_fd_ = open_socket("dumpstate");
+        control_socket_fd_ = open_socket_fn_("dumpstate");
         if (control_socket_fd_ == -1) {
             return ERROR;
         }
-        options_->do_progress_updates = 1;
+        if (options_->progress_updates_to_socket) {
+            options_->do_progress_updates = 1;
+        }
     }
 
-    if (is_redirecting) {
-        PrepareToWriteToFile();
+    if (!PrepareToWriteToFile()) {
+        return ERROR;
+    }
 
-        if (options_->do_progress_updates) {
-            // clang-format off
-            std::vector<std::string> am_args = {
-                 "--receiver-permission", "android.permission.DUMP",
-            };
-            // clang-format on
-            // Send STARTED broadcast for apps that listen to bugreport generation events
-            SendBroadcast("com.android.internal.intent.action.BUGREPORT_STARTED", am_args);
-            if (options_->use_control_socket) {
-                dprintf(control_socket_fd_, "BEGIN:%s\n", path_.c_str());
-            }
+    // Interactive, wear & telephony modes are default to true.
+    // and may enable from cli option or when using control socket
+    if (options_->do_progress_updates) {
+        // clang-format off
+        std::vector<std::string> am_args = {
+                "--receiver-permission", "android.permission.DUMP",
+        };
+        // clang-format on
+        // Send STARTED broadcast for apps that listen to bugreport generation events
+        SendBroadcast("com.android.internal.intent.action.BUGREPORT_STARTED", am_args);
+        if (options_->progress_updates_to_socket) {
+            dprintf(control_socket_fd_, "BEGIN:%s\n", path_.c_str());
         }
     }
 
@@ -2839,40 +2814,38 @@
         Vibrate(150);
     }
 
-    if (options_->do_zip_file && zip_file != nullptr) {
+    if (zip_file != nullptr) {
         if (chown(path_.c_str(), AID_SHELL, AID_SHELL)) {
             MYLOGE("Unable to change ownership of zip file %s: %s\n", path_.c_str(),
-                   strerror(errno));
+                    strerror(errno));
         }
     }
 
     int dup_stdout_fd;
     int dup_stderr_fd;
-    if (is_redirecting) {
-        // Redirect stderr to log_path_ for debugging.
-        TEMP_FAILURE_RETRY(dup_stderr_fd = dup(fileno(stderr)));
-        if (!redirect_to_file(stderr, const_cast<char*>(log_path_.c_str()))) {
-            return ERROR;
-        }
-        if (chown(log_path_.c_str(), AID_SHELL, AID_SHELL)) {
-            MYLOGE("Unable to change ownership of dumpstate log file %s: %s\n", log_path_.c_str(),
-                   strerror(errno));
-        }
+    // Redirect stderr to log_path_ for debugging.
+    TEMP_FAILURE_RETRY(dup_stderr_fd = dup(fileno(stderr)));
+    if (!redirect_to_file(stderr, const_cast<char*>(log_path_.c_str()))) {
+        return ERROR;
+    }
+    if (chown(log_path_.c_str(), AID_SHELL, AID_SHELL)) {
+        MYLOGE("Unable to change ownership of dumpstate log file %s: %s\n", log_path_.c_str(),
+                strerror(errno));
+    }
 
-        // Redirect stdout to tmp_path_. This is the main bugreport entry and will be
-        // moved into zip file later, if zipping.
-        TEMP_FAILURE_RETRY(dup_stdout_fd = dup(fileno(stdout)));
-        // TODO: why not write to a file instead of stdout to overcome this problem?
-        /* TODO: rather than generating a text file now and zipping it later,
-           it would be more efficient to redirect stdout to the zip entry
-           directly, but the libziparchive doesn't support that option yet. */
-        if (!redirect_to_file(stdout, const_cast<char*>(tmp_path_.c_str()))) {
-            return ERROR;
-        }
-        if (chown(tmp_path_.c_str(), AID_SHELL, AID_SHELL)) {
-            MYLOGE("Unable to change ownership of temporary bugreport file %s: %s\n",
-                   tmp_path_.c_str(), strerror(errno));
-        }
+    // Redirect stdout to tmp_path_. This is the main bugreport entry and will be
+    // moved into zip file later, if zipping.
+    TEMP_FAILURE_RETRY(dup_stdout_fd = dup(fileno(stdout)));
+    // TODO: why not write to a file instead of stdout to overcome this problem?
+    /* TODO: rather than generating a text file now and zipping it later,
+        it would be more efficient to redirect stdout to the zip entry
+        directly, but the libziparchive doesn't support that option yet. */
+    if (!redirect_to_file(stdout, const_cast<char*>(tmp_path_.c_str()))) {
+        return ERROR;
+    }
+    if (chown(tmp_path_.c_str(), AID_SHELL, AID_SHELL)) {
+        MYLOGE("Unable to change ownership of temporary bugreport file %s: %s\n",
+                tmp_path_.c_str(), strerror(errno));
     }
 
     // Don't buffer stdout
@@ -2926,14 +2899,10 @@
     }
 
     /* close output if needed */
-    if (is_redirecting) {
-        TEMP_FAILURE_RETRY(dup2(dup_stdout_fd, fileno(stdout)));
-    }
+    TEMP_FAILURE_RETRY(dup2(dup_stdout_fd, fileno(stdout)));
 
     // Zip the (now complete) .tmp file within the internal directory.
-    if (options_->OutputToFile()) {
-        FinalizeFile();
-    }
+    FinalizeFile();
 
     // Share the final file with the caller if the user has consented or Shell is the caller.
     Dumpstate::RunStatus status = Dumpstate::RunStatus::OK;
@@ -2976,11 +2945,9 @@
     progress_->Save();
     MYLOGI("done (id %d)\n", id_);
 
-    if (is_redirecting) {
-        TEMP_FAILURE_RETRY(dup2(dup_stderr_fd, fileno(stderr)));
-    }
+    TEMP_FAILURE_RETRY(dup2(dup_stderr_fd, fileno(stderr)));
 
-    if (options_->use_control_socket && control_socket_fd_ != -1) {
+    if (control_socket_fd_ != -1) {
         MYLOGD("Closing control socket\n");
         close(control_socket_fd_);
     }
@@ -3051,10 +3018,7 @@
 }
 
 void Dumpstate::EnableParallelRunIfNeeded() {
-    // The thread pool needs to create temporary files to receive dump results.
-    // That's why we only enable it when the bugreport client chooses to output
-    // to a file.
-    if (!PropertiesHelper::IsParallelRun() || !options_->OutputToFile()) {
+    if (!PropertiesHelper::IsParallelRun()) {
         return;
     }
     dump_pool_ = std::make_unique<DumpPool>(bugreport_internal_dir_);
@@ -3199,7 +3163,8 @@
       options_(new Dumpstate::DumpOptions()),
       last_reported_percent_progress_(0),
       version_(version),
-      now_(time(nullptr)) {
+      now_(time(nullptr)),
+      open_socket_fn_(open_socket) {
 }
 
 Dumpstate& Dumpstate::GetInstance() {
@@ -3833,7 +3798,7 @@
     RunCommand(title, dumpsys, options, false, out_fd);
 }
 
-int open_socket(const char *service) {
+static int open_socket(const char* service) {
     int s = android_get_control_socket(service);
     if (s < 0) {
         MYLOGE("android_get_control_socket(%s): %s\n", service, strerror(errno));
@@ -3868,19 +3833,6 @@
     return fd;
 }
 
-/* redirect output to a service control socket */
-bool redirect_to_socket(FILE* redirect, const char* service) {
-    int fd = open_socket(service);
-    if (fd == -1) {
-        return false;
-    }
-    fflush(redirect);
-    // TODO: handle dup2 failure
-    TEMP_FAILURE_RETRY(dup2(fd, fileno(redirect)));
-    close(fd);
-    return true;
-}
-
 // TODO: should call is_valid_output_file and/or be merged into it.
 void create_parent_dirs(const char *path) {
     char *chp = const_cast<char *> (path);