diff --git a/crates/uv-dispatch/src/lib.rs b/crates/uv-dispatch/src/lib.rs
index 49da99f6e..e5a185128 100644
--- a/crates/uv-dispatch/src/lib.rs
+++ b/crates/uv-dispatch/src/lib.rs
@@ -195,7 +195,6 @@ impl<'a> BuildContext for BuildDispatch<'a> {
         let Plan {
             cached,
             remote,
-            installed: _,
             reinstalls,
             extraneous: _,
         } = Planner::with_requirements(&resolution.requirements()).build(
diff --git a/crates/uv-installer/src/plan.rs b/crates/uv-installer/src/plan.rs
index ad2b9722f..bfa393bcb 100644
--- a/crates/uv-installer/src/plan.rs
+++ b/crates/uv-installer/src/plan.rs
@@ -84,7 +84,6 @@ impl<'a> Planner<'a> {
         let mut cached = vec![];
         let mut remote = vec![];
         let mut reinstalls = vec![];
-        let mut installed = vec![];
         let mut extraneous = vec![];
         let mut seen = FxHashMap::with_capacity_and_hasher(
             self.requirements.len(),
@@ -191,7 +190,6 @@ impl<'a> Planner<'a> {
                             RequirementSatisfaction::Mismatch => {}
                             RequirementSatisfaction::Satisfied => {
                                 debug!("Requirement already installed: {distribution}");
-                                installed.push(distribution.clone());
                                 continue;
                             }
                             RequirementSatisfaction::OutOfDate => {
@@ -474,7 +472,6 @@ impl<'a> Planner<'a> {
 
         Ok(Plan {
             cached,
-            installed,
             remote,
             reinstalls,
             extraneous,
@@ -496,10 +493,6 @@ pub struct Plan {
     /// available in the local cache.
     pub cached: Vec<CachedDist>,
 
-    /// Any distributions that are already installed in the current environment, and can be used
-    /// to satisfy the requirements.
-    pub installed: Vec<InstalledDist>,
-
     /// The distributions that are not already installed in the current environment, and are
     /// not available in the local cache.
     pub remote: Vec<Requirement>,
diff --git a/crates/uv/src/commands/pip/install.rs b/crates/uv/src/commands/pip/install.rs
index a988cdf66..ddfb67158 100644
--- a/crates/uv/src/commands/pip/install.rs
+++ b/crates/uv/src/commands/pip/install.rs
@@ -863,7 +863,6 @@ async fn install(
         cached,
         remote,
         reinstalls,
-        installed: _,
         extraneous: _,
     } = plan;
 
@@ -1032,7 +1031,6 @@ async fn install(
             cached,
             remote,
             reinstalls,
-            installed: _,
             extraneous: _,
         } = plan;
 
diff --git a/crates/uv/src/commands/pip/sync.rs b/crates/uv/src/commands/pip/sync.rs
index 008194f50..ebaf72937 100644
--- a/crates/uv/src/commands/pip/sync.rs
+++ b/crates/uv/src/commands/pip/sync.rs
@@ -321,7 +321,6 @@ pub(crate) async fn pip_sync(
         cached,
         remote,
         reinstalls,
-        installed: _,
         extraneous,
     } = Planner::with_requirements(&requirements)
         .with_editable_requirements(&resolved_editables.editables)
diff --git a/crates/uv/src/commands/project/mod.rs b/crates/uv/src/commands/project/mod.rs
index c37e77865..1e5888d71 100644
--- a/crates/uv/src/commands/project/mod.rs
+++ b/crates/uv/src/commands/project/mod.rs
@@ -279,7 +279,6 @@ pub(crate) async fn install(
         cached,
         remote,
         reinstalls,
-        installed: _,
         extraneous: _,
     } = plan;