diff --git a/nulib/lib_provisioning/config/encryption_tests.nu b/nulib/lib_provisioning/config/encryption_tests.nu
index f1a2599..7918381 100644
--- a/nulib/lib_provisioning/config/encryption_tests.nu
+++ b/nulib/lib_provisioning/config/encryption_tests.nu
@@ -2,8 +2,12 @@
 # Comprehensive test suite for encryption functionality
 # Error handling: Guard patterns (no try-catch for field access)
 
-use encryption.nu *
-use ../kms/client.nu *
+# Selective imports (ADR-025 Phase 3 Layer 2).
+use lib_provisioning/config/encryption.nu [
+    contains-sensitive-data decrypt-config decrypt-config-memory encrypt-config
+    is-encrypted-config load-encrypted-config validate-encryption-config
+]
+use lib_provisioning/kms/client.nu [kms-status]
 
 # Test suite runner
 export def run-encryption-tests [
diff --git a/nulib/lib_provisioning/config/loader/test.nu b/nulib/lib_provisioning/config/loader/test.nu
index 7e5594f..8a345e5 100644
--- a/nulib/lib_provisioning/config/loader/test.nu
+++ b/nulib/lib_provisioning/config/loader/test.nu
@@ -5,8 +5,9 @@
 # Configuration Loader - Testing and Interpolation Functions
 # Provides testing utilities for configuration loading and interpolation
 
-use ../interpolators.nu *
-use ../validators.nu *
+# Selective imports (ADR-025 Phase 3 Layer 2).
+# config/interpolators star-import was dead — dropped.
+use lib_provisioning/config/validators.nu [validate-interpolation]
 
 # Test interpolation with sample data
 export def test-interpolation [
diff --git a/nulib/lib_provisioning/extensions/tests/test_cache.nu b/nulib/lib_provisioning/extensions/tests/test_cache.nu
index f7fecf8..95b13e2 100644
--- a/nulib/lib_provisioning/extensions/tests/test_cache.nu
+++ b/nulib/lib_provisioning/extensions/tests/test_cache.nu
@@ -1,8 +1,9 @@
 #!/usr/bin/env nu
 # Tests for Extension Cache Module
 
-use ../cache.nu *
-use ../../utils/logger.nu *
+# Selective imports (ADR-025 Phase 3 Layer 2).
+# extensions/cache star-import was dead (no used symbols in this test).
+# utils/logger.nu does not exist — dangling import removed.
 
 # Test cache directory creation
 export def test_cache_dir [] {
diff --git a/nulib/lib_provisioning/extensions/tests/test_discovery.nu b/nulib/lib_provisioning/extensions/tests/test_discovery.nu
index 1de4003..7055231 100644
--- a/nulib/lib_provisioning/extensions/tests/test_discovery.nu
+++ b/nulib/lib_provisioning/extensions/tests/test_discovery.nu
@@ -1,8 +1,12 @@
 #!/usr/bin/env nu
 # Tests for Extension Discovery Module
 
-use ../discovery.nu *
-use ../../utils/logger.nu *
+# Selective imports (ADR-025 Phase 3 Layer 2).
+# utils/logger.nu does not exist — dangling import removed.
+use lib_provisioning/extensions/discovery.nu [
+    discover-local-extensions discover-oci-extensions get-extension-versions
+    list-extensions search-extensions
+]
 
 # Test local extension discovery
 export def test_discover_local [] {
diff --git a/nulib/lib_provisioning/extensions/tests/test_oci_client.nu b/nulib/lib_provisioning/extensions/tests/test_oci_client.nu
index 22e0468..ee2bff9 100644
--- a/nulib/lib_provisioning/extensions/tests/test_oci_client.nu
+++ b/nulib/lib_provisioning/extensions/tests/test_oci_client.nu
@@ -1,8 +1,11 @@
 #!/usr/bin/env nu
 # Tests for OCI Client Module
 
-use ../../oci/client.nu *
-use ../../utils/logger.nu *
+# Selective imports (ADR-025 Phase 3 Layer 2).
+# utils/logger.nu does not exist — dangling import removed.
+use lib_provisioning/oci/client.nu [
+    build-artifact-ref get-oci-config is-oci-available test-oci-connection
+]
 
 # Test OCI configuration loading
 export def test_oci_config [] {