diff --git a/wifi/Android.bp b/wifi/Android.bp
index 1cc5073..8b89959 100644
--- a/wifi/Android.bp
+++ b/wifi/Android.bp
@@ -76,25 +76,34 @@
     "//packages/apps/Settings/tests/robotests", // TODO(b/161767237): remove
 ]
 
-// wifi-service needs pre-jarjared version of framework-wifi so it can reference copied utility
-// classes before they are renamed.
-java_library {
-    name: "framework-wifi-pre-jarjar",
+// defaults shared between `framework-wifi` & `framework-wifi-pre-jarjar`
+// java_sdk_library `framework-wifi` needs sources to generate stubs, so it cannot reuse
+// `framework-wifi-pre-jarjar`
+java_defaults {
+    name: "framework-wifi-defaults",
     defaults: ["wifi-module-sdk-version-defaults"],
-    sdk_version: "module_current",
     static_libs: [
         "framework-wifi-util-lib",
         "android.hardware.wifi-V1.0-java-constants",
+        "modules-utils-build",
     ],
     libs: [
-        "framework-annotations-lib",
         "unsupportedappusage", // for android.compat.annotation.UnsupportedAppUsage
     ],
     srcs: [
         ":framework-wifi-updatable-sources",
         ":framework-wifi-util-lib-aidls",
     ],
-    // java_api_finder must accompany `srcs`
+}
+
+// wifi-service needs pre-jarjared version of framework-wifi so it can reference copied utility
+// classes before they are renamed.
+java_library {
+    name: "framework-wifi-pre-jarjar",
+    defaults: ["framework-wifi-defaults"],
+    sdk_version: "module_current",
+    libs: ["framework-annotations-lib"],
+    // java_api_finder must accompany `srcs` (`srcs` defined in `framework-wifi-defaults`)
     plugins: ["java_api_finder"],
     installable: false,
     visibility: [
@@ -108,18 +117,7 @@
     name: "framework-wifi",
     defaults: [
         "framework-module-defaults",
-        "wifi-module-sdk-version-defaults",
-    ],
-    static_libs: [
-        "framework-wifi-util-lib",
-        "android.hardware.wifi-V1.0-java-constants",
-    ],
-    libs: [
-        "unsupportedappusage", // for android.compat.annotation.UnsupportedAppUsage
-    ],
-    srcs: [
-        ":framework-wifi-updatable-sources",
-        ":framework-wifi-util-lib-aidls",
+        "framework-wifi-defaults",
     ],
 
     jarjar_rules: ":wifi-jarjar-rules",
diff --git a/wifi/jarjar-rules.txt b/wifi/jarjar-rules.txt
index b489be2..ff06a18 100644
--- a/wifi/jarjar-rules.txt
+++ b/wifi/jarjar-rules.txt
@@ -124,3 +124,4 @@
 rule com.android.internal.util.Protocol* com.android.wifi.x.@0
 
 rule com.android.net.module.util.** com.android.wifi.x.@0
+rule com.android.modules.utils.** com.android.wifi.x.@0
diff --git a/wifi/tests/Android.bp b/wifi/tests/Android.bp
index 6a39959..b710a14 100644
--- a/wifi/tests/Android.bp
+++ b/wifi/tests/Android.bp
@@ -31,10 +31,11 @@
     static_libs: [
         "androidx.test.rules",
         "core-test-rules",
+        "frameworks-base-testutils",
         "guava",
         "mockito-target-minus-junit4",
+        "modules-utils-build",
         "net-tests-utils",
-        "frameworks-base-testutils",
         "truth-prebuilt",
     ],
 
@@ -47,4 +48,8 @@
         "device-tests",
         "mts",
     ],
+
+    // static libs used by both framework-wifi & FrameworksWifiApiTests. Need to rename test usage
+    // to a different package name to prevent conflict with the copy in production code.
+    jarjar_rules: "test-jarjar-rules.txt",
 }
diff --git a/wifi/tests/test-jarjar-rules.txt b/wifi/tests/test-jarjar-rules.txt
new file mode 100644
index 0000000..41b97ab
--- /dev/null
+++ b/wifi/tests/test-jarjar-rules.txt
@@ -0,0 +1 @@
+rule com.android.modules.utils.** com.android.wifi.test.x.@0