diff --git a/performance-metrics/Cargo.toml b/performance-metrics/Cargo.toml
index 531c6abe9..472f1159b 100644
--- a/performance-metrics/Cargo.toml
+++ b/performance-metrics/Cargo.toml
@@ -1,6 +1,5 @@
 [package]
 authors = ["The Cloud Hypervisor Authors"]
-build = "../build.rs"
 edition.workspace = true
 name = "performance-metrics"
 version = "0.1.0"
diff --git a/vhost_user_block/Cargo.toml b/vhost_user_block/Cargo.toml
index e674c96ea..051210cb4 100644
--- a/vhost_user_block/Cargo.toml
+++ b/vhost_user_block/Cargo.toml
@@ -1,6 +1,5 @@
 [package]
 authors = ["The Cloud Hypervisor Authors"]
-build = "../build.rs"
 edition.workspace = true
 name = "vhost_user_block"
 version = "0.1.0"
diff --git a/vhost_user_net/Cargo.toml b/vhost_user_net/Cargo.toml
index 849ad5426..2edf00db9 100644
--- a/vhost_user_net/Cargo.toml
+++ b/vhost_user_net/Cargo.toml
@@ -1,6 +1,5 @@
 [package]
 authors = ["The Cloud Hypervisor Authors"]
-build = "../build.rs"
 edition.workspace = true
 name = "vhost_user_net"
 version = "0.1.0"