diff --git a/testing/tests/load b/testing/tests/load
index 872d7b0a..83a552a4 100644
--- a/testing/tests/load
+++ b/testing/tests/load
@@ -9,7 +9,10 @@
 # @TEST-EXEC: cp scripts/packages/packages.zeek after_load.out
 # @TEST-EXEC: btest-diff after_load.out
 
-# @TEST-EXEC: zkg install i-have-no-scripts
+# Packages that intentionally ship only a plugin should not emit a warning
+# when they omit script_dir and have no top-level __load__.zeek.
+# @TEST-EXEC: zkg install i-have-no-scripts 2>install_no_scripts.err
+# @TEST-EXEC: ! grep -q 'no __load__.zeek in implicit script_dir' install_no_scripts.err
 # @TEST-EXEC: zkg load i-have-no-scripts
 # @TEST-EXEC: cp scripts/packages/packages.zeek after_loading_no_scripts.out
 # @TEST-EXEC: btest-diff after_loading_no_scripts.out
diff --git a/zeekpkg/manager.py b/zeekpkg/manager.py
index faf387cd..a9618a1c 100644
--- a/zeekpkg/manager.py
+++ b/zeekpkg/manager.py
@@ -3013,7 +3013,7 @@ def _stage(
             if "script_dir" in interpolated_metadata:
                 return f"no __load__.zeek file found in package's 'script_dir' : {pkg_script_dir}"
 
-            LOG.warning(
+            LOG.debug(
                 'installing "%s": no __load__.zeek in implicit'
                 " script_dir, skipped installing scripts",
                 package,