diff --git a/README_SETUP.md b/README_SETUP.md
index bdb8a03e4c58576b35e50b2090b889c120ae23cd..ea0284e2dd0458eee5aa7c9e165a3e6767e57d55 100644
--- a/README_SETUP.md
+++ b/README_SETUP.md
@@ -48,10 +48,9 @@ as compiler. We use [cmake](https://cmake.org/download/) as build tool.
    and build the project. (You can open Tools/Command Line/Developer Command
    Prompt and execute `msbuild libcaosdb.sln /property:Configuration=Release`)
 
-### Creating a local Conan package ##
+### Creating a Local Conan Package ##
 
-Building and installing libcaosdb with Conan is just a single command:  
-`conan create . -s "compiler.libcxx=libstdc++11"`
+Building and installing libcaosdb with Conan is just a single command: `make conan-install`
 
 For MacOS, you probably should adjust the option as mentioned above.
 
@@ -65,6 +64,10 @@ the `--build=missing` option: `conan install .. [ other options
 ] --build=missing`. This should download and compile the sources of the
 dependencies.
 
+#### cmake fails when using the Debug flag
+Depending on the clang version it might be necessary to use additionally the following flag:
+`-DCMAKE_CXX_FLAGS="-Wno-unused-parameter"`
+
 ## Unit Tests
 
 ### Build
diff --git a/include/caosdb/entity.h b/include/caosdb/entity.h
index 52dc3e05c69578c41f94af444213bfd878362abf..bc8529e3525c963051a5fc7a2148fd9f29eec719 100644
--- a/include/caosdb/entity.h
+++ b/include/caosdb/entity.h
@@ -66,9 +66,8 @@ using caosdb::StatusCode;
 using caosdb::entity::v1alpha1::EntityResponse;
 using caosdb::entity::v1alpha1::FileTransmissionId;
 using google::protobuf::RepeatedPtrField;
-using ProtoMessage = caosdb::entity::v1alpha1::Message;
 
-const static std::string logger_name = "caosdb::entity";
+static const std::string logger_name = "caosdb::entity";
 
 /**
  * The property importance.