diff --git a/Cargo.lock b/Cargo.lock
index 0f4033d7..411b72c6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -123,7 +123,6 @@ dependencies = [
  "scopeguard",
  "semver",
  "serde",
- "serde_json",
  "simplelog",
  "strum",
  "strum_macros",
diff --git a/Cargo.toml b/Cargo.toml
index 5ef85eb5..26541c2a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,6 @@ reqwest = { version = "0.11.11", features = ["stream"], default-features = false
 scopeguard = "1.1.0"
 semver = "1.0.12"
 serde = { version = "1.0.140", features = ["derive"] }
-serde_json = "1.0.82"
 simplelog = "0.12.0"
 strum = "0.24.1"
 strum_macros = "0.24.2"
diff --git a/src/main.rs b/src/main.rs
index b5a79ad0..8e250165 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -349,21 +349,6 @@ async fn entry(jobserver_client: LazyJobserverClient) -> Result<()> {
                     .iter()
                     .map(|metadata| (&metadata.cvs, metadata.bins.clone())),
             )?;
-
-            debug!("Writing .crates2.json");
-            metafiles::v2::Crates2Json::append(metadata_vec.into_iter().map(|metadata| {
-                (
-                    metadata.cvs,
-                    metafiles::v2::CrateInfo {
-                        version_req: Some(metadata.version_req),
-                        bins: metadata.bins,
-                        profile: "release".into(),
-                        target: metadata.target,
-                        rustc: format!("{} {}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION")),
-                        ..Default::default()
-                    },
-                )
-            }))?;
         }
 
         if opts.no_cleanup {
diff --git a/src/metafiles.rs b/src/metafiles.rs
index 06323a52..75ad0250 100644
--- a/src/metafiles.rs
+++ b/src/metafiles.rs
@@ -2,4 +2,3 @@ mod cvs;
 pub use cvs::*;
 
 pub mod v1;
-pub mod v2;
diff --git a/src/metafiles/v2.rs b/src/metafiles/v2.rs
deleted file mode 100644
index 1db6fb42..00000000
--- a/src/metafiles/v2.rs
+++ /dev/null
@@ -1,125 +0,0 @@
-use std::{
-    collections::{BTreeMap, BTreeSet},
-    fs,
-    io::{self, Seek},
-    iter::IntoIterator,
-    path::{Path, PathBuf},
-};
-
-use miette::Diagnostic;
-use serde::{Deserialize, Serialize};
-use thiserror::Error;
-
-use super::CrateVersionSource;
-use crate::{cargo_home, create_if_not_exist, FileLock};
-
-#[derive(Clone, Debug, Default, Deserialize, Serialize)]
-pub struct Crates2Json {
-    pub installs: BTreeMap<String, CrateInfo>,
-}
-
-#[derive(Clone, Debug, Default, Deserialize, Serialize)]
-pub struct CrateInfo {
-    #[serde(default)]
-    pub version_req: Option<String>,
-
-    #[serde(default)]
-    pub bins: BTreeSet<String>,
-
-    #[serde(default)]
-    pub features: BTreeSet<String>,
-
-    #[serde(default)]
-    pub all_features: bool,
-
-    #[serde(default)]
-    pub no_default_features: bool,
-
-    pub profile: String,
-    pub target: String,
-    pub rustc: String,
-}
-
-impl Crates2Json {
-    pub fn default_path() -> Result<PathBuf, Crates2JsonParseError> {
-        Ok(cargo_home()?.join(".crates2.json"))
-    }
-
-    pub fn load() -> Result<Self, Crates2JsonParseError> {
-        Self::load_from_path(Self::default_path()?)
-    }
-
-    pub fn load_from_reader<R: io::Read>(reader: R) -> Result<Self, Crates2JsonParseError> {
-        Ok(serde_json::from_reader(reader)?)
-    }
-
-    pub fn load_from_path(path: impl AsRef<Path>) -> Result<Self, Crates2JsonParseError> {
-        let file = fs::File::open(path.as_ref())?;
-        Self::load_from_reader(file)
-    }
-
-    pub fn insert(&mut self, cvs: &CrateVersionSource, info: CrateInfo) {
-        self.installs.insert(cvs.to_string(), info);
-    }
-
-    pub fn write(&self) -> Result<(), Crates2JsonParseError> {
-        self.write_to_path(Self::default_path()?)
-    }
-
-    pub fn write_to_writer<W: io::Write>(&self, writer: W) -> Result<(), Crates2JsonParseError> {
-        serde_json::to_writer(writer, &self)?;
-        Ok(())
-    }
-
-    pub fn write_to_file(&self, file: &mut fs::File) -> Result<(), Crates2JsonParseError> {
-        self.write_to_writer(&mut *file)?;
-        let pos = file.stream_position()?;
-        file.set_len(pos)?;
-
-        Ok(())
-    }
-
-    pub fn write_to_path(&self, path: impl AsRef<Path>) -> Result<(), Crates2JsonParseError> {
-        let file = fs::File::create(path.as_ref())?;
-        self.write_to_writer(file)
-    }
-
-    pub fn append_to_path<Iter>(
-        path: impl AsRef<Path>,
-        iter: Iter,
-    ) -> Result<(), Crates2JsonParseError>
-    where
-        Iter: IntoIterator<Item = (CrateVersionSource, CrateInfo)>,
-    {
-        let mut file = FileLock::new_exclusive(create_if_not_exist(path.as_ref())?)?;
-        let mut c2 = Self::load_from_reader(&mut *file)?;
-
-        for (cvs, info) in iter {
-            c2.insert(&cvs, info);
-        }
-
-        file.rewind()?;
-        c2.write_to_file(&mut *file)?;
-
-        Ok(())
-    }
-
-    pub fn append<Iter>(iter: Iter) -> Result<(), Crates2JsonParseError>
-    where
-        Iter: IntoIterator<Item = (CrateVersionSource, CrateInfo)>,
-    {
-        Self::append_to_path(Self::default_path()?, iter)
-    }
-}
-
-#[derive(Debug, Diagnostic, Error)]
-pub enum Crates2JsonParseError {
-    #[error(transparent)]
-    Io(#[from] io::Error),
-
-    #[error(transparent)]
-    Json(#[from] serde_json::Error),
-
-    #[error(transparent)]
-    CvsParse(#[from] super::CvsParseError),
-}