diff --git a/file/codec_stbimage.cc b/file/codec_stbimage.cc
index 1a0d09f..437dc8d 100644
--- a/file/codec_stbimage.cc
+++ b/file/codec_stbimage.cc
@@ -87,8 +87,8 @@ class StbImage final : public nf7::Node::Lambda,
   }
 
   std::shared_ptr<nf7::LoggerRef> log_;
-  static_assert(PureNodeFile_LoggerRef<StbImage>);
 };
+static_assert(PureNodeFile_LoggerRef<StbImage>);
 
 }
 }  // namespace nf7
diff --git a/file/node_ref.cc b/file/node_ref.cc
index f7a5e6b..5e52d72 100644
--- a/file/node_ref.cc
+++ b/file/node_ref.cc
@@ -205,7 +205,7 @@ class Ref::Lambda final : public Node::Lambda,
 
     // ignore everything from others
 
-  } catch (nf7::Exception& e) {
+  } catch (nf7::Exception&) {
     log_->Error("failed to call referencee");
     Abort();
   }