diff --git a/core/tests/coretests/apks/install_uses_feature/Android.mk b/core/tests/coretests/apks/install_uses_feature/Android.mk
new file mode 100644
index 0000000000000..c0a5067f168df
--- /dev/null
+++ b/core/tests/coretests/apks/install_uses_feature/Android.mk
@@ -0,0 +1,11 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := tests
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := FrameworkCoreTests_install_uses_feature
+
+include $(BUILD_PACKAGE)
+
diff --git a/core/tests/coretests/apks/install_uses_feature/AndroidManifest.xml b/core/tests/coretests/apks/install_uses_feature/AndroidManifest.xml
new file mode 100644
index 0000000000000..ecbd7c423370a
--- /dev/null
+++ b/core/tests/coretests/apks/install_uses_feature/AndroidManifest.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+  
+          http://www.apache.org/licenses/LICENSE-2.0
+  
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+        package="com.android.frameworks.coretests.install_uses_feature">
+
+    <uses-feature android:name="com.android.frameworks.coretests.nonexistent" />
+        
+    <application android:hasCode="false">
+    </application>
+</manifest>
diff --git a/core/tests/coretests/apks/install_uses_feature/res/values/strings.xml b/core/tests/coretests/apks/install_uses_feature/res/values/strings.xml
new file mode 100644
index 0000000000000..3b8b3b1af9b5e
--- /dev/null
+++ b/core/tests/coretests/apks/install_uses_feature/res/values/strings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!-- Just need this dummy file to have something to build. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+  <string name="dummy">dummy</string>
+</resources>
diff --git a/core/tests/coretests/res/raw/install_uses_feature b/core/tests/coretests/res/raw/install_uses_feature
new file mode 100644
index 0000000000000..9eef9aaafba7a
Binary files /dev/null and b/core/tests/coretests/res/raw/install_uses_feature differ
diff --git a/core/tests/coretests/src/android/content/pm/PackageManagerTests.java b/core/tests/coretests/src/android/content/pm/PackageManagerTests.java
index d5f385b290c4d..410e5e9ab38a7 100755
--- a/core/tests/coretests/src/android/content/pm/PackageManagerTests.java
+++ b/core/tests/coretests/src/android/content/pm/PackageManagerTests.java
@@ -2838,6 +2838,23 @@ public class PackageManagerTests extends AndroidTestCase {
         installFromRawResource("install.apk", rapk2, PackageManager.INSTALL_REPLACE_EXISTING, true,
                 fail, retCode, PackageInfo.INSTALL_LOCATION_UNSPECIFIED);
     }
+
+    /**
+     * Unknown features should be allowed to install. This prevents older phones
+     * from rejecting new packages that specify features that didn't exist when
+     * an older phone existed. All older phones are assumed to have those
+     * features.
+     * <p>
+     * Right now we allow all packages to be installed regardless of their
+     * features.
+     */
+    @LargeTest
+    public void testUsesFeatureUnknownFeature() {
+        int retCode = PackageManager.INSTALL_SUCCEEDED;
+        installFromRawResource("install.apk", R.raw.install_uses_feature, 0, true, false, retCode,
+                PackageInfo.INSTALL_LOCATION_UNSPECIFIED);
+    }
+
     /*---------- Recommended install location tests ----*/
     /*
      * TODO's
diff --git a/services/java/com/android/server/PackageManagerService.java b/services/java/com/android/server/PackageManagerService.java
index 9b8a6057743ef..8c74566c231b4 100644
--- a/services/java/com/android/server/PackageManagerService.java
+++ b/services/java/com/android/server/PackageManagerService.java
@@ -2926,27 +2926,6 @@ class PackageManagerService extends IPackageManager.Stub {
                     System.arraycopy(mTmpSharedLibraries, 0,
                             pkg.usesLibraryFiles, 0, num);
                 }
-
-                if (pkg.reqFeatures != null) {
-                    N = pkg.reqFeatures.size();
-                    for (int i=0; i<N; i++) {
-                        FeatureInfo fi = pkg.reqFeatures.get(i);
-                        if ((fi.flags&FeatureInfo.FLAG_REQUIRED) == 0) {
-                            // Don't care.
-                            continue;
-                        }
-
-                        if (fi.name != null) {
-                            if (mAvailableFeatures.get(fi.name) == null) {
-                                Slog.e(TAG, "Package " + pkg.packageName
-                                        + " requires unavailable feature "
-                                        + fi.name + "; failing!");
-                                mLastScanError = PackageManager.INSTALL_FAILED_MISSING_FEATURE;
-                                return null;
-                            }
-                        }
-                    }
-                }
             }
 
             if (pkg.mSharedUserId != null) {