diff --git a/quartz/src/main/java/com/vitorpamplona/quartz/signers/ExternalSignerLauncher.kt b/quartz/src/main/java/com/vitorpamplona/quartz/signers/ExternalSignerLauncher.kt
index c4ac38450..4e8996636 100644
--- a/quartz/src/main/java/com/vitorpamplona/quartz/signers/ExternalSignerLauncher.kt
+++ b/quartz/src/main/java/com/vitorpamplona/quartz/signers/ExternalSignerLauncher.kt
@@ -97,7 +97,7 @@ class Result(
 
 class ExternalSignerLauncher(
     private val npub: String,
-    val signerPackageName: String = "com.greenart7c3.nostrsigner",
+    val signerPackageName: String,
 ) {
     private val contentCache = LruCache<String, (String) -> Unit>(20)
 
diff --git a/quartz/src/main/java/com/vitorpamplona/quartz/signers/NostrSignerExternal.kt b/quartz/src/main/java/com/vitorpamplona/quartz/signers/NostrSignerExternal.kt
index b051e9ffc..d07d26a56 100644
--- a/quartz/src/main/java/com/vitorpamplona/quartz/signers/NostrSignerExternal.kt
+++ b/quartz/src/main/java/com/vitorpamplona/quartz/signers/NostrSignerExternal.kt
@@ -23,9 +23,7 @@ package com.vitorpamplona.quartz.signers
 import android.util.Log
 import com.goterl.lazysodium.BuildConfig
 import com.vitorpamplona.quartz.encoders.HexKey
-import com.vitorpamplona.quartz.encoders.hexToByteArray
 import com.vitorpamplona.quartz.encoders.toHexKey
-import com.vitorpamplona.quartz.encoders.toNpub
 import com.vitorpamplona.quartz.events.Event
 import com.vitorpamplona.quartz.events.EventFactory
 import com.vitorpamplona.quartz.events.LnZapPrivateEvent
@@ -33,7 +31,7 @@ import com.vitorpamplona.quartz.events.LnZapRequestEvent
 
 class NostrSignerExternal(
     pubKey: HexKey,
-    val launcher: ExternalSignerLauncher = ExternalSignerLauncher(pubKey.hexToByteArray().toNpub()),
+    val launcher: ExternalSignerLauncher,
 ) : NostrSigner(pubKey) {
     override fun <T : Event> sign(
         createdAt: Long,