diff --git a/README.md b/README.md
index bcb1e513..eb1ebd75 100644
--- a/README.md
+++ b/README.md
@@ -66,8 +66,6 @@ apt install ccache cmake libyaml-cpp-dev clang-12 libclang-12-dev libclang-cpp12
 # macos
 brew install ccache cmake llvm yaml-cpp
 ```
-> Please note that on macos this tool is not fully functional, i.e. several test cases fail. The build instructions are
-> provided for development purposes only.
 
 Then proceed with building the sources:
 
@@ -79,12 +77,17 @@ make release
 release/clang-uml --help
 
 # To build using a specific installed version of LLVM use:
-LLVM_VERSION=13 make release
+LLVM_VERSION=14 make release
 
 # Optionally
 make install
 # or
 export PATH=$PATH:$PWD/release
+
+# On macos, it is necessary to build clang-uml using the same llvm against which it is linked, e.g.
+export CC=/usr/local/opt/llvm/bin/clang
+export CCX=/usr/local/opt/llvm/bin/clang++
+LLVM_VERSION=14 make release
 ```
 
 ## Usage
diff --git a/src/class_diagram/visitor/translation_unit_visitor.cc b/src/class_diagram/visitor/translation_unit_visitor.cc
index ed3ead59..46a4acdf 100644
--- a/src/class_diagram/visitor/translation_unit_visitor.cc
+++ b/src/class_diagram/visitor/translation_unit_visitor.cc
@@ -133,6 +133,9 @@ bool translation_unit_visitor::VisitEnumDecl(clang::EnumDecl *enm)
     if (enm->getNameAsString().empty())
         return true;
 
+    if (!diagram().should_include(enm->getQualifiedNameAsString()))
+        return true;
+
     LOG_DBG("= Visiting enum declaration {} at {}",
         enm->getQualifiedNameAsString(),
         enm->getLocation().printToString(source_manager_));
@@ -304,6 +307,9 @@ bool translation_unit_visitor::VisitCXXRecordDecl(clang::CXXRecordDecl *cls)
     if (source_manager_.isInSystemHeader(cls->getSourceRange().getBegin()))
         return true;
 
+    if (!diagram().should_include(cls->getQualifiedNameAsString()))
+        return true;
+
     LOG_DBG("= Visiting class declaration {} at {}",
         cls->getQualifiedNameAsString(),
         cls->getLocation().printToString(source_manager_));
diff --git a/src/config/config.cc b/src/config/config.cc
index 121e9eaa..154fd692 100644
--- a/src/config/config.cc
+++ b/src/config/config.cc
@@ -154,6 +154,12 @@ void class_diagram::initialize_template_aliases()
     if (!template_aliases().count("std::basic_string<char>")) {
         template_aliases().insert({"std::basic_string<char>", "std::string"});
     }
+    if (!template_aliases().count("std::basic_string<char,std::char_traits<"
+                                  "char>,std::allocator<char>>")) {
+        template_aliases().insert({"std::basic_string<char,std::char_traits<"
+                                   "char>,std::allocator<char>>",
+            "std::string"});
+    }
     if (!template_aliases().count("std::basic_string<wchar_t>")) {
         template_aliases().insert(
             {"std::basic_string<wchar_t>", "std::wstring"});
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 7de8841c..21167c13 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -7,6 +7,10 @@ set(CMAKE_CXX_STANDARD 17)
 set(TEST_DISABLE_WARNINGS "-Wno-unused-parameter -Wno-unused-private-field -Wno-unused-variable -Wno-attributes")
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCLANG_CXXFLAGS} ${TEST_DISABLE_WARNINGS}")
+if(APPLE)
+    # Without this, clang-uml test cases fail with error saying that clang cannot find stdarg.h
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I${LLVM_LIBRARY_DIR}/clang/${LLVM_PACKAGE_VERSION}/include")
+endif(APPLE)
 
 file(GLOB_RECURSE TEST_CASE_SOURCES t*/*.cc)
 file(GLOB_RECURSE TEST_CASE_CONFIGS t*/.clang-uml)
diff --git a/tests/t00039/.clang-uml b/tests/t00039/.clang-uml
index 8474b0ac..c949af75 100644
--- a/tests/t00039/.clang-uml
+++ b/tests/t00039/.clang-uml
@@ -16,4 +16,7 @@ diagrams:
         - clanguml::t00039::E
         - clanguml::t00039::ns3::F<T>
       relationships:
-        - inheritance
\ No newline at end of file
+        - inheritance
+    exclude:
+      namespaces:
+        - std
\ No newline at end of file
diff --git a/tests/t00042/.clang-uml b/tests/t00042/.clang-uml
index 2f94a9ac..c15333de 100644
--- a/tests/t00042/.clang-uml
+++ b/tests/t00042/.clang-uml
@@ -16,4 +16,6 @@ diagrams:
         - instantiation
     exclude:
       specializations:
-        - clanguml::t00042::C<T>
\ No newline at end of file
+        - clanguml::t00042::C<T>
+      namespaces:
+        - std
\ No newline at end of file
diff --git a/tests/t00048/test_case.h b/tests/t00048/test_case.h
index 4aabe0ff..e522af7a 100644
--- a/tests/t00048/test_case.h
+++ b/tests/t00048/test_case.h
@@ -48,7 +48,6 @@ TEST_CASE("t00048", "[test-case][class]")
     REQUIRE_THAT(puml, IsBaseClass(_A("Base"), _A("A")));
     REQUIRE_THAT(puml, IsBaseClass(_A("Base"), _A("B")));
 
-
     save_puml(
         "./" + config.output_directory() + "/" + diagram->name + ".puml", puml);
 }
\ No newline at end of file