diff --git a/CMakeLists.txt b/CMakeLists.txt
index d4f0d5d..5928c0e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -57,9 +57,13 @@
 # we don't need filename tracking, and we prefer to use header-only Boost
 add_definitions(-DBOOST_SPIRIT_X3_NO_FILESYSTEM)
 
-add_library(parser STATIC
+add_library(schemas STATIC
     src/static_schema.cpp
     src/schema.cpp
+    )
+target_link_libraries(schemas PUBLIC Boost::boost)
+
+add_library(parser STATIC
     src/parser.cpp
     src/ast_commands.cpp
     src/ast_path.cpp
@@ -67,7 +71,7 @@
     src/parser_context.cpp
     src/interpreter.cpp
     )
-target_link_libraries(parser Boost::boost)
+target_link_libraries(parser schemas)
 
 add_executable(netconf-cli
     src/main.cpp
diff --git a/src/static_schema.hpp b/src/static_schema.hpp
index 72e23d9..1c261c3 100644
--- a/src/static_schema.hpp
+++ b/src/static_schema.hpp
@@ -8,7 +8,6 @@
 
 #pragma once
 
-#include <boost/variant.hpp>
 #include <set>
 #include <stdexcept>
 #include <unordered_map>
@@ -19,7 +18,6 @@
 /*! \class StaticSchema
  *     \brief Static schema, used mainly for testing
  *         */
-using ModuleNodePair = std::pair<boost::optional<std::string>, std::string>;
 
 class StaticSchema : public Schema {
 public: