diff --git a/biometrics/face/1.1/default/Android.bp b/biometrics/face/1.0/default/Android.bp
similarity index 84%
rename from biometrics/face/1.1/default/Android.bp
rename to biometrics/face/1.0/default/Android.bp
index 360071f..d6ff087 100644
--- a/biometrics/face/1.1/default/Android.bp
+++ b/biometrics/face/1.0/default/Android.bp
@@ -15,10 +15,10 @@
  */
 
 cc_binary {
-    name: "android.hardware.biometrics.face@1.1-service.example",
+    name: "android.hardware.biometrics.face@1.0-service.example",
     defaults: ["hidl_defaults"],
     vendor: true,
-    init_rc: ["android.hardware.biometrics.face@1.1-service.rc"],
+    init_rc: ["android.hardware.biometrics.face@1.0-service.rc"],
     vintf_fragments: ["manifest_face_default.xml"],
     relative_install_path: "hw",
     proprietary: true,
@@ -31,6 +31,5 @@
         "libutils",
         "liblog",
         "android.hardware.biometrics.face@1.0",
-        "android.hardware.biometrics.face@1.1",
     ],
 }
diff --git a/biometrics/face/1.1/default/BiometricsFace.cpp b/biometrics/face/1.0/default/BiometricsFace.cpp
similarity index 89%
rename from biometrics/face/1.1/default/BiometricsFace.cpp
rename to biometrics/face/1.0/default/BiometricsFace.cpp
index f2c9bf0..97dc469 100644
--- a/biometrics/face/1.1/default/BiometricsFace.cpp
+++ b/biometrics/face/1.0/default/BiometricsFace.cpp
@@ -110,12 +110,4 @@
     return Status::OK;
 }
 
-// Methods from ::android::hardware::biometrics::face::V1_1::IBiometricsFace follow.
-Return<Status> BiometricsFace::enrollRemotely(const hidl_vec<uint8_t>& /* hat */,
-                                              uint32_t /* timeoutSec */,
-                                              const hidl_vec<Feature>& /* disabledFeatures */) {
-    mClientCallback->onError(kDeviceId, mUserId, FaceError::UNABLE_TO_PROCESS, 0 /* vendorCode */);
-    return Status::OK;
-}
-
 }  // namespace android::hardware::biometrics::face::implementation
diff --git a/biometrics/face/1.1/default/BiometricsFace.h b/biometrics/face/1.0/default/BiometricsFace.h
similarity index 87%
rename from biometrics/face/1.1/default/BiometricsFace.h
rename to biometrics/face/1.0/default/BiometricsFace.h
index 5620b45..1d99ed2 100644
--- a/biometrics/face/1.1/default/BiometricsFace.h
+++ b/biometrics/face/1.0/default/BiometricsFace.h
@@ -16,7 +16,7 @@
 
 #pragma once
 
-#include <android/hardware/biometrics/face/1.1/IBiometricsFace.h>
+#include <android/hardware/biometrics/face/1.0/IBiometricsFace.h>
 #include <hidl/MQDescriptor.h>
 #include <hidl/Status.h>
 #include <random>
@@ -34,7 +34,7 @@
 using ::android::hardware::biometrics::face::V1_0::IBiometricsFaceClientCallback;
 using ::android::hardware::biometrics::face::V1_0::Status;
 
-class BiometricsFace : public V1_1::IBiometricsFace {
+class BiometricsFace : public V1_0::IBiometricsFace {
   public:
     BiometricsFace();
 
@@ -71,10 +71,6 @@
 
     Return<Status> resetLockout(const hidl_vec<uint8_t>& hat) override;
 
-    // Methods from ::android::hardware::biometrics::face::V1_1::IBiometricsFace follow.
-    Return<Status> enrollRemotely(const hidl_vec<uint8_t>& hat, uint32_t timeoutSec,
-                                  const hidl_vec<Feature>& disabledFeatures) override;
-
   private:
     std::mt19937 mRandom;
     int32_t mUserId;
diff --git a/biometrics/face/1.1/default/android.hardware.biometrics.face@1.1-service.rc b/biometrics/face/1.0/default/android.hardware.biometrics.face@1.0-service.rc
similarity index 75%
rename from biometrics/face/1.1/default/android.hardware.biometrics.face@1.1-service.rc
rename to biometrics/face/1.0/default/android.hardware.biometrics.face@1.0-service.rc
index 687e2d8..6c7362f 100644
--- a/biometrics/face/1.1/default/android.hardware.biometrics.face@1.1-service.rc
+++ b/biometrics/face/1.0/default/android.hardware.biometrics.face@1.0-service.rc
@@ -1,4 +1,4 @@
-service vendor.face-hal-1-1-default /vendor/bin/hw/android.hardware.biometrics.face@1.1-service.example
+service vendor.face-hal-1-0-default /vendor/bin/hw/android.hardware.biometrics.face@1.0-service.example
     # "class hal" causes a race condition on some devices due to files created
     # in /data. As a workaround, postpone startup until later in boot once
     # /data is mounted.
diff --git a/biometrics/face/1.1/default/manifest_face_default.xml b/biometrics/face/1.0/default/manifest_face_default.xml
similarity index 90%
rename from biometrics/face/1.1/default/manifest_face_default.xml
rename to biometrics/face/1.0/default/manifest_face_default.xml
index ec71d9c..380ae49 100644
--- a/biometrics/face/1.1/default/manifest_face_default.xml
+++ b/biometrics/face/1.0/default/manifest_face_default.xml
@@ -2,7 +2,7 @@
     <hal format="hidl">
         <name>android.hardware.biometrics.face</name>
         <transport>hwbinder</transport>
-        <version>1.1</version>
+        <version>1.0</version>
         <interface>
             <name>IBiometricsFace</name>
             <instance>default</instance>
diff --git a/biometrics/face/1.1/default/service.cpp b/biometrics/face/1.0/default/service.cpp
similarity index 88%
rename from biometrics/face/1.1/default/service.cpp
rename to biometrics/face/1.0/default/service.cpp
index 344bdb9..9818c95 100644
--- a/biometrics/face/1.1/default/service.cpp
+++ b/biometrics/face/1.0/default/service.cpp
@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "android.hardware.biometrics.face@1.1-service"
+#define LOG_TAG "android.hardware.biometrics.face@1.0-service"
 
 #include <android/hardware/biometrics/face/1.0/types.h>
-#include <android/hardware/biometrics/face/1.1/IBiometricsFace.h>
+#include <android/hardware/biometrics/face/1.0/IBiometricsFace.h>
 #include <android/log.h>
 #include <hidl/HidlSupport.h>
 #include <hidl/HidlTransportSupport.h>
@@ -27,7 +27,7 @@
 using android::hardware::configureRpcThreadpool;
 using android::hardware::joinRpcThreadpool;
 using android::hardware::biometrics::face::implementation::BiometricsFace;
-using android::hardware::biometrics::face::V1_1::IBiometricsFace;
+using android::hardware::biometrics::face::V1_0::IBiometricsFace;
 
 int main() {
     ALOGI("BiometricsFace HAL is being started.");