diff --git a/Android.bp b/Android.bp
index b034c47..6064664 100644
--- a/Android.bp
+++ b/Android.bp
@@ -54,6 +54,7 @@ cc_defaults {
 
     cppflags: [
         "-DHAS_LIBDISPLAY_INFO",
+        "-DHAS_LIBSYNC",
     ],
 
     cpp_std: "gnu++17",
diff --git a/drm/DrmAtomicStateManager.cpp b/drm/DrmAtomicStateManager.cpp
index 53b9e68..d628fed 100644
--- a/drm/DrmAtomicStateManager.cpp
+++ b/drm/DrmAtomicStateManager.cpp
@@ -22,7 +22,9 @@
 #include "DrmAtomicStateManager.h"
 
 #include <drm/drm_mode.h>
+#if HAS_LIBSYNC
 #include <sync/sync.h>
+#endif  // HAS_LIBSYNC
 #include <utils/Trace.h>
 
 #include <cassert>
@@ -52,6 +54,7 @@ DrmAtomicStateManager::~DrmAtomicStateManager() {
 }
 
 void DrmAtomicStateManager::WaitLastFrame() {
+#if HAS_LIBSYNC
   SharedFd present_fence;
   {
     std::lock_guard lock(mutex_);
@@ -75,6 +78,7 @@ void DrmAtomicStateManager::WaitLastFrame() {
       CleanupPriorFrameResources();
     }
   }
+#endif  // HAS_LIBSYNC
 }
 
 void DrmAtomicStateManager::CleanFailedCommit() {
@@ -201,6 +205,7 @@ void DrmAtomicStateManager::CheckDoubleSettingState(
   }
 }
 
+#if HAS_LIBSYNC
 bool DrmAtomicStateManager::SetWriteBackFenceIfNeeded(
     const AtomicCommitArgs &args, AtomicRequest &request) {
   if (!pipe_->writeback_connector || !args.writeback_fb) {
@@ -240,6 +245,13 @@ bool DrmAtomicStateManager::SetWriteBackFenceIfNeeded(
 
   return true;
 }
+#else
+// NOLINTNEXTLINE(readability-convert-member-functions-to-static)
+bool DrmAtomicStateManager::SetWriteBackFenceIfNeeded(
+    const AtomicCommitArgs & /* args */, AtomicRequest & /* request */) {
+  return false;
+}
+#endif  // HAS_LIBSYNC
 
 bool DrmAtomicStateManager::SetOutputFence(AtomicRequest &request) {
   auto *crtc = pipe_->crtc->Get();
@@ -509,6 +521,7 @@ DrmAtomicStateManager::GetAtomicModeReqForArgs(AtomicCommitArgs &args) {
 }
 
 void DrmAtomicStateManager::ThreadFn() {
+#if HAS_LIBSYNC
   int tracking_at_the_moment = -1;
 
   for (;;) {
@@ -555,6 +568,7 @@ void DrmAtomicStateManager::ThreadFn() {
   }
 
   ALOGI("DrmAtomicStateManager thread exit");
+#endif  // HAS_LIBSYNC
 }
 
 void DrmAtomicStateManager::CleanupPriorFrameResources() {
diff --git a/meson.build b/meson.build
index 99203a2..423fed2 100644
--- a/meson.build
+++ b/meson.build
@@ -52,6 +52,7 @@ message('ANDROID_SDK_VERSION = ' + android_sdk_version)
 common_cpp_flags = [
     '-DUSE_IMAPPER4_METADATA_API',
     '-D__ANDROID_API__=' + android_sdk_version,
+    '-DHAS_LIBSYNC',
 ]
 
 dep_libdisplay_info = dependency('display_info', required : false)