diff --git a/crates/uv-cli/src/lib.rs b/crates/uv-cli/src/lib.rs
index c8764421db6a4..daf02811e8198 100644
--- a/crates/uv-cli/src/lib.rs
+++ b/crates/uv-cli/src/lib.rs
@@ -2536,11 +2536,6 @@ pub struct SyncArgs {
     #[arg(long, overrides_with("dev"))]
     pub no_dev: bool,
 
-    // /// Omit non-development dependencies.
-    // ///
-    // /// The project itself will also be omitted.
-    // #[arg(long, conflicts_with("no_dev"))]
-    // pub only_dev: bool,
     /// Do not remove extraneous packages present in the environment.
     ///
     /// When enabled, uv will make the minimum necessary changes to satisfy the requirements.
diff --git a/crates/uv-configuration/src/install_options.rs b/crates/uv-configuration/src/install_options.rs
index 63e400a75ad94..0de0f411eca00 100644
--- a/crates/uv-configuration/src/install_options.rs
+++ b/crates/uv-configuration/src/install_options.rs
@@ -34,25 +34,41 @@ impl InstallOptions {
         project_name: Option<&PackageName>,
         members: &BTreeSet<PackageName>,
     ) -> bool {
-        // If `--no-install-project` is set, remove the project itself. The project is always
-        // part of the workspace.
-        if self.no_install_project || self.no_install_workspace {
+        // If `--no-install-project` is set, remove the project itself.
+        if self.no_install_project {
             if let Some(project_name) = project_name {
                 if package == project_name {
+                    debug!("Omitting `{package}` from resolution due to `--no-install-project`");
                     return false;
                 }
-            } else {
-                debug!("Ignoring `--no-install-project` for virtual workspace");
-            };
+            }
         }
 
         // If `--no-install-workspace` is set, remove the project and any workspace members.
-        if self.no_install_workspace && members.contains(package) {
-            return false;
+        if self.no_install_workspace {
+            // In some cases, the project root might be omitted from the list of workspace members
+            // encoded in the lockfile. (But we already checked this above if `--no-install-project`
+            // is set.)
+            if !self.no_install_project {
+                if let Some(project_name) = project_name {
+                    if package == project_name {
+                        debug!(
+                            "Omitting `{package}` from resolution due to `--no-install-workspace`"
+                        );
+                        return false;
+                    }
+                }
+            }
+
+            if members.contains(package) {
+                debug!("Omitting `{package}` from resolution due to `--no-install-workspace`");
+                return false;
+            }
         }
 
         // If `--no-install-package` is provided, remove the requested packages.
         if self.no_install_package.contains(package) {
+            debug!("Omitting `{package}` from resolution due to `--no-install-package`");
             return false;
         }