diff --git a/Cargo.lock b/Cargo.lock
index 9fef4faf1..975ef5190 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -133,9 +133,6 @@ dependencies = [
  "libc",
  "log",
  "qcow",
- "serde",
- "serde_derive",
- "serde_json",
  "thiserror",
  "versionize",
  "versionize_derive",
diff --git a/block_util/Cargo.toml b/block_util/Cargo.toml
index ebc2779bf..ce56a2d98 100644
--- a/block_util/Cargo.toml
+++ b/block_util/Cargo.toml
@@ -13,9 +13,6 @@ io-uring = ">=0.4.0"
 libc = "0.2.94"
 log = "0.4.14"
 qcow = { path = "../qcow" }
-serde = ">=1.0.27"
-serde_derive = ">=1.0.27"
-serde_json = ">=1.0.9"
 thiserror = "1.0"
 versionize = "0.1.6"
 versionize_derive = "0.1.4"
diff --git a/block_util/src/lib.rs b/block_util/src/lib.rs
index 1333574f6..040bca1f9 100644
--- a/block_util/src/lib.rs
+++ b/block_util/src/lib.rs
@@ -10,8 +10,6 @@
 
 #[macro_use]
 extern crate log;
-#[macro_use]
-extern crate serde_derive;
 
 pub mod async_io;
 pub mod fixed_vhd_async;
@@ -371,7 +369,7 @@ impl Request {
     }
 }
 
-#[derive(Copy, Clone, Debug, Default, Deserialize, Serialize, Versionize)]
+#[derive(Copy, Clone, Debug, Default, Versionize)]
 #[repr(C, packed)]
 pub struct VirtioBlockConfig {
     pub capacity: u64,
@@ -396,7 +394,7 @@ pub struct VirtioBlockConfig {
 }
 unsafe impl ByteValued for VirtioBlockConfig {}
 
-#[derive(Copy, Clone, Debug, Default, Serialize, Deserialize, Versionize)]
+#[derive(Copy, Clone, Debug, Default, Versionize)]
 #[repr(C, packed)]
 pub struct VirtioBlockGeometry {
     pub cylinders: u16,