diff --git a/set-verity-state/Android.bp b/set-verity-state/Android.bp
index f0df350..61ad08b 100644
--- a/set-verity-state/Android.bp
+++ b/set-verity-state/Android.bp
@@ -12,7 +12,6 @@
         "libcrypto",
         "libcrypto_utils",
         "libcutils",
-        "libfec",
         "libfs_mgr_binder",
         "liblog",
         "libutils",
diff --git a/set-verity-state/set-verity-state.cpp b/set-verity-state/set-verity-state.cpp
index 52a7f74..1ebfd23 100644
--- a/set-verity-state/set-verity-state.cpp
+++ b/set-verity-state/set-verity-state.cpp
@@ -15,107 +15,25 @@
  */
 
 #include <errno.h>
-#include <fcntl.h>
-#include <inttypes.h>
 #include <libavb_user/libavb_user.h>
-#include <stdarg.h>
 #include <stdio.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <unistd.h>
 
 #include <android-base/file.h>
 #include <android-base/logging.h>
 #include <android-base/properties.h>
-#include <android-base/stringprintf.h>
-#include <android-base/unique_fd.h>
-#include <fs_mgr.h>
 #include <fs_mgr_overlayfs.h>
-#include <fstab/fstab.h>
 #include <log/log_properties.h>
 
-#include "fec/io.h"
-
 #ifdef ALLOW_DISABLE_VERITY
 static const bool kAllowDisableVerity = true;
 #else
 static const bool kAllowDisableVerity = false;
 #endif
 
-using android::base::unique_fd;
-
 static void suggest_run_adb_root() {
   if (getuid() != 0) printf("Maybe run adb root?\n");
 }
 
-static bool make_block_device_writable(const std::string& dev) {
-  unique_fd fd(open(dev.c_str(), O_RDONLY | O_CLOEXEC));
-  if (fd == -1) {
-    return false;
-  }
-
-  int OFF = 0;
-  bool result = (ioctl(fd.get(), BLKROSET, &OFF) != -1);
-  return result;
-}
-
-/* Turn verity on/off */
-static bool set_verity_enabled_state(const char* block_device, const char* mount_point,
-                                     bool enable) {
-  if (!make_block_device_writable(block_device)) {
-    printf("Could not make block device %s writable (%s).\n", block_device, strerror(errno));
-    return false;
-  }
-
-  fec::io fh(block_device, O_RDWR);
-
-  if (!fh) {
-    printf("Could not open block device %s (%s).\n", block_device, strerror(errno));
-    suggest_run_adb_root();
-    return false;
-  }
-
-  fec_verity_metadata metadata;
-
-  if (!fh.get_verity_metadata(metadata)) {
-    printf("Couldn't find verity metadata!\n");
-    return false;
-  }
-
-  if (!enable && metadata.disabled) {
-    printf("Verity already disabled on %s\n", mount_point);
-    return false;
-  }
-
-  if (enable && !metadata.disabled) {
-    printf("Verity already enabled on %s\n", mount_point);
-    return false;
-  }
-
-  if (!fh.set_verity_status(enable)) {
-    printf("Could not set verity %s flag on device %s with error %s\n",
-           enable ? "enabled" : "disabled", block_device, strerror(errno));
-    return false;
-  }
-
-  auto change = false;
-  errno = 0;
-  if (enable ? fs_mgr_overlayfs_teardown(mount_point, &change)
-             : fs_mgr_overlayfs_setup(nullptr, mount_point, &change)) {
-    if (change) {
-      printf("%s overlayfs for %s\n", enable ? "disabling" : "using", mount_point);
-    }
-  } else if (errno) {
-    int expected_errno = enable ? EBUSY : ENOENT;
-    if (errno != expected_errno) {
-      printf("Overlayfs %s for %s failed with error %s\n", enable ? "teardown" : "setup",
-             mount_point, strerror(errno));
-    }
-  }
-  printf("Verity %s on %s\n", enable ? "enabled" : "disabled", mount_point);
-  return true;
-}
-
 /* Helper function to get A/B suffix, if any. If the device isn't
  * using A/B the empty string is returned. Otherwise either "_a",
  * "_b", ... is returned.