diff --git a/crates/uv-pypi-types/src/conflicts.rs b/crates/uv-pypi-types/src/conflicts.rs
index 2ce6f35e8ed6d..8834967c95040 100644
--- a/crates/uv-pypi-types/src/conflicts.rs
+++ b/crates/uv-pypi-types/src/conflicts.rs
@@ -217,12 +217,23 @@ impl Conflicts {
 ///
 /// A `TryFrom<Vec<ConflictItem>>` impl may be used to build a set from a
 /// sequence. Note though that at least 2 items are required.
-#[derive(Debug, Default, Clone, Hash, Eq, PartialEq)]
+#[derive(Debug, Default, Clone, Hash)]
 pub struct ConflictSet {
     set: BTreeSet<ConflictItem>,
+    /// Whether this conflict set was inferred from transitively included items.
+    ///
+    /// Note this field is _not_ included in equality checks.
     is_inferred_conflict: bool,
 }
 
+impl PartialEq for ConflictSet {
+    fn eq(&self, other: &Self) -> bool {
+        self.set == other.set
+    }
+}
+
+impl Eq for ConflictSet {}
+
 impl ConflictSet {
     /// Create a pair of items that conflict with one another.
     pub fn pair(item1: ConflictItem, item2: ConflictItem) -> Self {
diff --git a/crates/uv/tests/it/sync.rs b/crates/uv/tests/it/sync.rs
index 40ce60eb93a3a..7795c11d66af3 100644
--- a/crates/uv/tests/it/sync.rs
+++ b/crates/uv/tests/it/sync.rs
@@ -10986,6 +10986,24 @@ fn transitive_group_conflicts_shallow() -> Result<()> {
         "#,
     )?;
 
+    uv_snapshot!(context.filters(), context.lock(), @r"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    Resolved 5 packages in [TIME]
+    ");
+
+    uv_snapshot!(context.filters(), context.lock().arg("--check"), @r"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    Resolved 5 packages in [TIME]
+    ");
+
     uv_snapshot!(context.filters(), context.sync(), @r"
     success: true
     exit_code: 0
@@ -11037,7 +11055,7 @@ fn transitive_group_conflicts_shallow() -> Result<()> {
 
     ----- stderr -----
     Resolved 5 packages in [TIME]
-    error: Groups `dev` and `magic` are incompatible with the transitively inferred conflicts: {`example:dev`, `example:magic`}
+    error: Groups `dev` and `magic` are incompatible with the declared conflicts: {`example:dev`, `example:magic`}
     ");
 
     Ok(())