diff --git a/app/apk/build.gradle.kts b/app/apk/build.gradle.kts
index 280428f58..ca1414288 100644
--- a/app/apk/build.gradle.kts
+++ b/app/apk/build.gradle.kts
@@ -1,6 +1,3 @@
-import com.android.build.api.instrumentation.FramesComputationMode.COMPUTE_FRAMES_FOR_INSTRUMENTED_METHODS
-import com.android.build.api.instrumentation.InstrumentationScope
-
 plugins {
     id("com.android.application")
     kotlin("android")
@@ -9,7 +6,7 @@ plugins {
     id("androidx.navigation.safeargs.kotlin")
 }
 
-setupAppCommon()
+setupMainApk()
 
 kapt {
     correctErrorTypes = true
@@ -21,27 +18,6 @@ kapt {
 }
 
 android {
-    namespace = "com.topjohnwu.magisk"
-
-    defaultConfig {
-        applicationId = "com.topjohnwu.magisk"
-        vectorDrawables.useSupportLibrary = true
-        versionName = Config.version
-        versionCode = Config.versionCode
-        ndk {
-            abiFilters += listOf("armeabi-v7a", "arm64-v8a", "x86", "x86_64", "riscv64")
-            debugSymbolLevel = "FULL"
-        }
-    }
-
-    buildTypes {
-        release {
-            isMinifyEnabled = true
-            isShrinkResources = true
-            proguardFiles("proguard-rules.pro")
-        }
-    }
-
     buildFeatures {
         dataBinding = true
     }
@@ -49,14 +25,6 @@ android {
     compileOptions {
         isCoreLibraryDesugaringEnabled = true
     }
-
-    androidComponents {
-        onVariants {
-            it.instrumentation.setAsmFramesComputationMode(COMPUTE_FRAMES_FOR_INSTRUMENTED_METHODS)
-            it.instrumentation.transformClassesWith(
-                DesugarClassVisitorFactory::class.java, InstrumentationScope.ALL) {}
-        }
-    }
 }
 
 dependencies {
diff --git a/app/core/build.gradle.kts b/app/core/build.gradle.kts
index bfb4ab2e2..8d9c3d5f5 100644
--- a/app/core/build.gradle.kts
+++ b/app/core/build.gradle.kts
@@ -19,6 +19,7 @@ android {
         buildConfigField("int", "APP_VERSION_CODE", "${Config.versionCode}")
         buildConfigField("String", "APP_VERSION_NAME", "\"${Config.version}\"")
         buildConfigField("int", "STUB_VERSION", Config.stubVersion)
+        consumerProguardFile("proguard-rules.pro")
     }
 
     buildFeatures {
diff --git a/app/apk/proguard-rules.pro b/app/core/proguard-rules.pro
similarity index 80%
rename from app/apk/proguard-rules.pro
rename to app/core/proguard-rules.pro
index ac99cce4d..357e009be 100644
--- a/app/apk/proguard-rules.pro
+++ b/app/core/proguard-rules.pro
@@ -22,28 +22,17 @@
   int mActivityHandlesConfigFlags;
 }
 
-# main
--keep,allowoptimization public class com.topjohnwu.magisk.signing.SignBoot {
-    public static void main(java.lang.String[]);
-}
-
 # Strip Timber verbose and debug logging
 -assumenosideeffects class timber.log.Timber$Tree {
   public void v(**);
   public void d(**);
 }
 
-# https://github.com/square/retrofit/issues/3751#issuecomment-1192043644
-# Keep generic signature of Call, Response (R8 full mode strips signatures from non-kept items).
--keep,allowobfuscation,allowshrinking interface retrofit2.Call
--keep,allowobfuscation,allowshrinking class retrofit2.Response
-
 # With R8 full mode generic signatures are stripped for classes that are not
 # kept. Suspend functions are wrapped in continuations where the type argument
 # is used.
 -keep,allowobfuscation,allowshrinking class kotlin.coroutines.Continuation
 
-
 # Excessive obfuscation
 -repackageclasses 'a'
 -allowaccessmodification
diff --git a/app/stub/build.gradle.kts b/app/stub/build.gradle.kts
index 39629167f..eb2654995 100644
--- a/app/stub/build.gradle.kts
+++ b/app/stub/build.gradle.kts
@@ -27,8 +27,6 @@ android {
 
     buildTypes {
         release {
-            isMinifyEnabled = true
-            isShrinkResources = false
             proguardFiles("proguard-rules.pro")
         }
     }
@@ -38,7 +36,7 @@ android {
     }
 }
 
-setupStub()
+setupStubApk()
 
 dependencies {
     implementation(project(":app:shared"))
diff --git a/buildSrc/src/main/java/Setup.kt b/buildSrc/src/main/java/Setup.kt
index 1bb1b9061..0c5e5f195 100644
--- a/buildSrc/src/main/java/Setup.kt
+++ b/buildSrc/src/main/java/Setup.kt
@@ -1,6 +1,8 @@
 import com.android.build.api.artifact.ArtifactTransformationRequest
 import com.android.build.api.artifact.SingleArtifact
 import com.android.build.api.dsl.ApkSigningConfig
+import com.android.build.api.instrumentation.FramesComputationMode.COMPUTE_FRAMES_FOR_INSTRUMENTED_METHODS
+import com.android.build.api.instrumentation.InstrumentationScope
 import com.android.build.api.variant.ApplicationAndroidComponentsExtension
 import com.android.build.gradle.BaseExtension
 import com.android.build.gradle.LibraryExtension
@@ -15,6 +17,8 @@ import org.gradle.api.Action
 import org.gradle.api.DefaultTask
 import org.gradle.api.JavaVersion
 import org.gradle.api.Project
+import org.gradle.api.artifacts.Dependency
+import org.gradle.api.artifacts.dsl.DependencyHandler
 import org.gradle.api.file.DirectoryProperty
 import org.gradle.api.provider.Property
 import org.gradle.api.tasks.Copy
@@ -27,6 +31,7 @@ import org.gradle.api.tasks.StopExecutionException
 import org.gradle.api.tasks.Sync
 import org.gradle.api.tasks.TaskAction
 import org.gradle.kotlin.dsl.assign
+import org.gradle.kotlin.dsl.dependencies
 import org.gradle.kotlin.dsl.exclude
 import org.gradle.kotlin.dsl.filter
 import org.gradle.kotlin.dsl.get
@@ -310,6 +315,10 @@ fun Project.setupAppCommon() {
                     else signingConfigs["debug"]
                 }
             }
+            release {
+                isMinifyEnabled = true
+                isShrinkResources = true
+            }
         }
 
         lint {
@@ -348,7 +357,34 @@ fun Project.setupAppCommon() {
     }
 }
 
-fun Project.setupStub() {
+fun Project.setupMainApk() {
+    setupAppCommon()
+
+    android {
+        namespace = "com.topjohnwu.magisk"
+
+        defaultConfig {
+            applicationId = "com.topjohnwu.magisk"
+            vectorDrawables.useSupportLibrary = true
+            versionName = Config.version
+            versionCode = Config.versionCode
+            ndk {
+                abiFilters += listOf("armeabi-v7a", "arm64-v8a", "x86", "x86_64", "riscv64")
+                debugSymbolLevel = "FULL"
+            }
+        }
+
+        androidComponents.onVariants { variant ->
+            variant.instrumentation.apply {
+                setAsmFramesComputationMode(COMPUTE_FRAMES_FOR_INSTRUMENTED_METHODS)
+                transformClassesWith(
+                    DesugarClassVisitorFactory::class.java, InstrumentationScope.ALL) {}
+            }
+        }
+    }
+}
+
+fun Project.setupStubApk() {
     setupAppCommon()
 
     androidComponents.onVariants { variant ->