diff --git a/vm/src/main.rs b/vm/src/main.rs
index ee0e2e6..b35bd4b 100644
--- a/vm/src/main.rs
+++ b/vm/src/main.rs
@@ -92,10 +92,6 @@
         #[structopt(long)]
         cpus: Option<u32>,
 
-        /// Host CPUs where vCPUs are run on. If unspecified, vCPU runs on any host CPU.
-        #[structopt(long)]
-        cpu_affinity: Option<String>,
-
         /// Comma separated list of task profile names to apply to the VM
         #[structopt(long)]
         task_profiles: Vec<String>,
@@ -122,14 +118,6 @@
         #[structopt(long)]
         cpus: Option<u32>,
 
-        /// Host CPUs where vCPUs are run on. If unspecified, vCPU runs on any host CPU. The format
-        /// can be either a comma-separated list of CPUs or CPU ranges to run vCPUs on (e.g.
-        /// "0,1-3,5" to choose host CPUs 0, 1, 2, 3, and 5, or a colon-separated list of
-        /// assignments of vCPU-to-host-CPU assignments e.g. "0=0:1=1:2=2" to map vCPU 0 to host
-        /// CPU 0 and so on.
-        #[structopt(long)]
-        cpu_affinity: Option<String>,
-
         /// Comma separated list of task profile names to apply to the VM
         #[structopt(long)]
         task_profiles: Vec<String>,
@@ -216,7 +204,6 @@
             protected,
             mem,
             cpus,
-            cpu_affinity,
             task_profiles,
             extra_idsigs,
         } => command_run_app(
@@ -234,11 +221,10 @@
             protected,
             mem,
             cpus,
-            cpu_affinity,
             task_profiles,
             &extra_idsigs,
         ),
-        Opt::Run { name, config, daemonize, cpus, cpu_affinity, task_profiles, console, log } => {
+        Opt::Run { name, config, daemonize, cpus, task_profiles, console, log } => {
             command_run(
                 name,
                 service.as_ref(),
@@ -248,7 +234,6 @@
                 log.as_deref(),
                 /* mem */ None,
                 cpus,
-                cpu_affinity,
                 task_profiles,
             )
         }
diff --git a/vm/src/run.rs b/vm/src/run.rs
index aaa3988..44e15f9 100644
--- a/vm/src/run.rs
+++ b/vm/src/run.rs
@@ -49,7 +49,6 @@
     protected: bool,
     mem: Option<u32>,
     cpus: Option<u32>,
-    cpu_affinity: Option<String>,
     task_profiles: Vec<String>,
     extra_idsigs: &[PathBuf],
 ) -> Result<(), Error> {
@@ -102,7 +101,6 @@
         protectedVm: protected,
         memoryMib: mem.unwrap_or(0) as i32, // 0 means use the VM default
         numCpus: cpus.unwrap_or(1) as i32,
-        cpuAffinity: cpu_affinity,
         taskProfiles: task_profiles,
     });
     run(
@@ -127,7 +125,6 @@
     log_path: Option<&Path>,
     mem: Option<u32>,
     cpus: Option<u32>,
-    cpu_affinity: Option<String>,
     task_profiles: Vec<String>,
 ) -> Result<(), Error> {
     let config_file = File::open(config_path).context("Failed to open config file")?;
@@ -144,7 +141,6 @@
     } else {
         config.name = String::from("VmRun");
     }
-    config.cpuAffinity = cpu_affinity;
     config.taskProfiles = task_profiles;
     run(
         service,