diff --git a/crates/uv/tests/it/pip_compile.rs b/crates/uv/tests/it/pip_compile.rs
index 89b8afe79db3..bcb1500317a2 100644
--- a/crates/uv/tests/it/pip_compile.rs
+++ b/crates/uv/tests/it/pip_compile.rs
@@ -1697,7 +1697,8 @@ fn compile_python_conflicts() -> Result<()> {
 
 #[test]
 fn compile_python_build_version_different_than_target() -> Result<()> {
-    let context = TestContext::new_with_versions(&["3.12", "3.10", "3.11"]);
+    let context =
+        TestContext::new_with_versions(&["3.12", "3.10", "3.11"]).with_filtered_python_sources();
     let requirements_in = context.temp_dir.child("requirements.in");
     requirements_in.write_str("black==23.10.1")?;
 
@@ -1804,7 +1805,7 @@ fn compile_python_build_version_different_than_target() -> Result<()> {
     ----- stdout -----
 
     ----- stderr -----
-    error: No interpreter found for PyPy 3.11 in virtual environments, managed installations, or search path
+    error: No interpreter found for PyPy 3.11 in [PYTHON SOURCES]
     "###
     );
 
@@ -1820,7 +1821,7 @@ fn compile_python_build_version_different_than_target() -> Result<()> {
     ----- stdout -----
 
     ----- stderr -----
-    error: No interpreter found for Python 3.13 in virtual environments, managed installations, or search path
+    error: No interpreter found for Python 3.13 in [PYTHON SOURCES]
     "###
     );
 
diff --git a/crates/uv/tests/it/show_settings.rs b/crates/uv/tests/it/show_settings.rs
index e708463d2101..f72a0f2ba21d 100644
--- a/crates/uv/tests/it/show_settings.rs
+++ b/crates/uv/tests/it/show_settings.rs
@@ -101,7 +101,6 @@ fn resolve_uv_toml() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -273,7 +272,6 @@ fn resolve_uv_toml() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -446,7 +444,6 @@ fn resolve_uv_toml() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -651,7 +648,6 @@ fn resolve_pyproject_toml() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -825,7 +821,6 @@ fn resolve_pyproject_toml() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -978,7 +973,6 @@ fn resolve_pyproject_toml() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -1175,7 +1169,6 @@ fn resolve_index_url() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -1378,7 +1371,6 @@ fn resolve_index_url() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -1635,7 +1627,6 @@ fn resolve_find_links() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -1831,7 +1822,6 @@ fn resolve_top_level() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -1990,7 +1980,6 @@ fn resolve_top_level() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -2191,7 +2180,6 @@ fn resolve_top_level() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -2416,7 +2404,6 @@ fn resolve_user_configuration() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -2565,7 +2552,6 @@ fn resolve_user_configuration() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -2714,7 +2700,6 @@ fn resolve_user_configuration() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -2865,7 +2850,6 @@ fn resolve_user_configuration() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -3194,7 +3178,6 @@ fn resolve_poetry_toml() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -3371,7 +3354,6 @@ fn resolve_both() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -3666,7 +3648,6 @@ fn resolve_config_file() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -3939,7 +3920,6 @@ fn resolve_skip_empty() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -4091,7 +4071,6 @@ fn resolve_skip_empty() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -4262,7 +4241,6 @@ fn allow_insecure_host() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [],
@@ -4425,7 +4403,6 @@ fn index_priority() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -4628,7 +4605,6 @@ fn index_priority() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -4837,7 +4813,6 @@ fn index_priority() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -5041,7 +5016,6 @@ fn index_priority() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -5252,7 +5226,6 @@ fn index_priority() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [
@@ -5456,7 +5429,6 @@ fn index_priority() -> anyhow::Result<()> {
                 },
             ),
         ),
-        python_legacy: None,
         settings: PipSettings {
             index_locations: IndexLocations {
                 indexes: [