diff --git a/Android.bp b/Android.bp
index 0b57b3c..6b91766 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,4 +1,4 @@
-// This file is generated by cargo2android.py --run --device --dependencies --features=std --patch=patches/Android.bp.diff.
+// This file is generated by cargo2android.py --config cargo2android.json.
 // Do not modify this file as changes will be overridden on upgrade.
 
 package {
@@ -40,14 +40,15 @@
 rust_library {
     name: "liblog_rust",
     stem: "liblog",
+    // has rustc warnings
     host_supported: true,
     crate_name: "log",
     srcs: ["src/lib.rs"],
     edition: "2015",
     features: ["std"],
-    flags: [
-        "--cfg atomic_cas",
-        "--cfg has_atomics",
+    cfgs: [
+        "atomic_cas",
+        "has_atomics",
     ],
     rustlibs: [
         "libcfg_if",
diff --git a/cargo2android.json b/cargo2android.json
new file mode 100644
index 0000000..723587f
--- /dev/null
+++ b/cargo2android.json
@@ -0,0 +1,11 @@
+{
+  "apex-available": [
+    "//apex_available:platform",
+    "//apex_available:anyapex"
+  ],
+  "dependencies": true,
+  "device": true,
+  "features": "std",
+  "min-sdk-version": "29",
+  "run": true
+}
\ No newline at end of file
diff --git a/patches/Android.bp.diff b/patches/Android.bp.diff
deleted file mode 100644
index f0de6f5..0000000
--- a/patches/Android.bp.diff
+++ /dev/null
@@ -1,14 +0,0 @@
---- Android.bp	2020-12-14 20:08:02.451621093 +0900
-+++ Android.bp.new	2020-12-14 20:05:44.460062409 +0900
-@@ -50,6 +50,11 @@ rust_library {
-     rustlibs: [
-         "libcfg_if",
-     ],
-+    apex_available: [
-+        "//apex_available:platform",
-+        "//apex_available:anyapex",
-+    ],
-+    min_sdk_version: "29",
- }
- 
- // dependent_library ["feature_list"]