diff --git a/Android.mk b/Android.mk
index 395aacc..b272445 100644
--- a/Android.mk
+++ b/Android.mk
@@ -14,7 +14,7 @@
 LOCAL_CERTIFICATE := platform
 LOCAL_PRIVILEGED_MODULE := true
 
-LOCAL_PROGUARD_FLAGS := $(proguard.flags)
+LOCAL_PROGUARD_ENABLED := optimization
 
 # Workaround for "local variable type mismatch" error.
 LOCAL_DX_FLAGS += --no-locals
diff --git a/src/com/android/server/telecom/PhoneAccountRegistrar.java b/src/com/android/server/telecom/PhoneAccountRegistrar.java
index ecd459a..ab65d15 100644
--- a/src/com/android/server/telecom/PhoneAccountRegistrar.java
+++ b/src/com/android/server/telecom/PhoneAccountRegistrar.java
@@ -91,7 +91,6 @@
     private final Context mContext;
     private State mState;
 
-    @VisibleForTesting
     public PhoneAccountRegistrar(Context context) {
         this(context, FILE_NAME);
     }
@@ -774,7 +773,6 @@
         private static final String SUBSCRIPTION_ADDRESS = "subscription_number";
         private static final String CAPABILITIES = "capabilities";
         private static final String ICON_RES_ID = "icon_res_id";
-        private static final String COLOR = "color";
         private static final String LABEL = "label";
         private static final String SHORT_DESCRIPTION = "short_description";
         private static final String SUPPORTED_URI_SCHEMES = "supported_uri_schemes";
@@ -797,7 +795,6 @@
                 writeTextSafely(SUBSCRIPTION_ADDRESS, o.getSubscriptionAddress(), serializer);
                 writeTextSafely(CAPABILITIES, Integer.toString(o.getCapabilities()), serializer);
                 writeTextSafely(ICON_RES_ID, Integer.toString(o.getIconResId()), serializer);
-                writeTextSafely(COLOR, Integer.toString(o.getColor()), serializer);
                 writeTextSafely(LABEL, o.getLabel(), serializer);
                 writeTextSafely(SHORT_DESCRIPTION, o.getShortDescription(), serializer);
                 writeStringList(SUPPORTED_URI_SCHEMES, o.getSupportedUriSchemes(), serializer);
@@ -815,7 +812,6 @@
                 Uri subscriptionAddress = null;
                 int capabilities = 0;
                 int iconResId = 0;
-                int color = 0;
                 String label = null;
                 String shortDescription = null;
                 List<String> supportedUriSchemes = null;
@@ -838,9 +834,6 @@
                     } else if (parser.getName().equals(ICON_RES_ID)) {
                         parser.next();
                         iconResId = Integer.parseInt(parser.getText());
-                    } else if (parser.getName().equals(COLOR)) {
-                        parser.next();
-                        color = Integer.parseInt(parser.getText());
                     } else if (parser.getName().equals(LABEL)) {
                         parser.next();
                         label = parser.getText();
@@ -878,7 +871,6 @@
                         .setSubscriptionAddress(subscriptionAddress)
                         .setCapabilities(capabilities)
                         .setIconResId(iconResId)
-                        .setColor(color)
                         .setShortDescription(shortDescription)
                         .setSupportedUriSchemes(supportedUriSchemes)
                         .build();
diff --git a/tests/src/com/android/server/telecom/tests/unit/PhoneAccountRegistrarTest.java b/tests/src/com/android/server/telecom/tests/unit/PhoneAccountRegistrarTest.java
index cd1bbd1..014c2d2 100644
--- a/tests/src/com/android/server/telecom/tests/unit/PhoneAccountRegistrarTest.java
+++ b/tests/src/com/android/server/telecom/tests/unit/PhoneAccountRegistrarTest.java
@@ -260,7 +260,6 @@
             assertEquals(a.getSubscriptionAddress(), b.getSubscriptionAddress());
             assertEquals(a.getCapabilities(), b.getCapabilities());
             assertEquals(a.getIconResId(), b.getIconResId());
-            assertEquals(a.getColor(), b.getColor());
             assertEquals(a.getLabel(), b.getLabel());
             assertEquals(a.getShortDescription(), b.getShortDescription());
             assertEquals(a.getSupportedUriSchemes(), b.getSupportedUriSchemes());