diff --git a/src/binder/iiorap_impl.cc b/src/binder/iiorap_impl.cc
index 8c71959..de5a55d 100644
--- a/src/binder/iiorap_impl.cc
+++ b/src/binder/iiorap_impl.cc
@@ -130,7 +130,7 @@
     if (listener == nullptr) {
       // No listener. Cannot send anything back to the client.
       // This could be normal, e.g. client had set listener to null before disconnecting.
-      LOG(WARNING) << "Drop result, no listener registered.";
+      LOG(DEBUG) << "Drop result, no listener registered.";
       // TODO: print the result with ostream operator<<
       return;
     }
@@ -153,7 +153,7 @@
     if (listener == nullptr) {
       // No listener. Cannot send anything back to the client.
       // This could be normal, e.g. client had set listener to null before disconnecting.
-      LOG(WARNING) << "Drop result, no listener registered.";
+      LOG(DEBUG) << "Drop result, no listener registered.";
       // TODO: print the result with ostream operator<<
       return;
     }
diff --git a/src/binder/package_version_map.cc b/src/binder/package_version_map.cc
index 18fd76d..784bb1b 100644
--- a/src/binder/package_version_map.cc
+++ b/src/binder/package_version_map.cc
@@ -97,7 +97,7 @@
 
   VersionMap::iterator it = version_map_->find(package_name);
   if (it == version_map_->end()) {
-    LOG(WARNING) << "Cannot find version for: " << package_name
+    LOG(DEBUG) << "Cannot find version for: " << package_name
                  << " in the hash table";
     std::optional<int64_t> version =
         package_manager_->GetPackageVersion(package_name);