diff --git a/keystore2/Android.bp b/keystore2/Android.bp
index 520237a..3097bae 100644
--- a/keystore2/Android.bp
+++ b/keystore2/Android.bp
@@ -39,7 +39,7 @@
         "android.security.maintenance-rust",
         "android.security.metrics-rust",
         "android.security.remoteprovisioning-rust",
-        "android.system.keystore2-V2-rust",
+        "android.system.keystore2-V1-rust",
         "libanyhow",
         "libbinder_rs",
         "libkeystore2_aaid-rust",
diff --git a/keystore2/aidl/Android.bp b/keystore2/aidl/Android.bp
index 7eb2b83..35006be 100644
--- a/keystore2/aidl/Android.bp
+++ b/keystore2/aidl/Android.bp
@@ -24,7 +24,7 @@
 aidl_interface {
     name: "android.security.attestationmanager",
     srcs: [ "android/security/attestationmanager/*.aidl", ],
-    imports: [ "android.hardware.security.keymint-V2" ],
+    imports: [ "android.hardware.security.keymint-V1" ],
     unstable: true,
     backend: {
         java: {
@@ -45,7 +45,7 @@
     name: "android.security.authorization",
     srcs: [ "android/security/authorization/*.aidl" ],
     imports: [
-        "android.hardware.security.keymint-V2",
+        "android.hardware.security.keymint-V1",
         "android.hardware.security.secureclock-V1",
     ],
     unstable: true,
@@ -86,7 +86,7 @@
     name: "android.security.compat",
     srcs: [ "android/security/compat/*.aidl" ],
     imports: [
-        "android.hardware.security.keymint-V2",
+        "android.hardware.security.keymint-V1",
         "android.hardware.security.secureclock-V1",
         "android.hardware.security.sharedsecret-V1",
     ],
@@ -110,7 +110,7 @@
     name: "android.security.remoteprovisioning",
     srcs: [ "android/security/remoteprovisioning/*.aidl" ],
     imports: [
-        "android.hardware.security.keymint-V2",
+        "android.hardware.security.keymint-V1",
     ],
     unstable: true,
     backend: {
@@ -132,7 +132,7 @@
     name: "android.security.maintenance",
     srcs: [ "android/security/maintenance/*.aidl" ],
     imports: [
-        "android.system.keystore2-V2",
+        "android.system.keystore2-V1",
     ],
     unstable: true,
     backend: {
@@ -173,7 +173,7 @@
     name: "android.security.metrics",
     srcs: [ "android/security/metrics/*.aidl" ],
     imports: [
-        "android.system.keystore2-V2",
+        "android.system.keystore2-V1",
     ],
     unstable: true,
     backend: {
@@ -197,13 +197,13 @@
 cc_defaults {
     name: "keystore2_use_latest_aidl_ndk_static",
     static_libs: [
-        "android.system.keystore2-V2-ndk",
+        "android.system.keystore2-V1-ndk",
     ],
 }
 
 cc_defaults {
     name: "keystore2_use_latest_aidl_ndk_shared",
     shared_libs: [
-        "android.system.keystore2-V2-ndk",
+        "android.system.keystore2-V1-ndk",
     ],
 }
diff --git a/keystore2/android.system.keystore2-service.xml b/keystore2/android.system.keystore2-service.xml
index 20c2fba..6b8d0cb 100644
--- a/keystore2/android.system.keystore2-service.xml
+++ b/keystore2/android.system.keystore2-service.xml
@@ -1,7 +1,6 @@
 <manifest version="1.0" type="framework">
     <hal format="aidl">
         <name>android.system.keystore2</name>
-        <version>2</version>
         <interface>
             <name>IKeystoreService</name>
             <instance>default</instance>