diff --git a/src/lib.rs b/src/lib.rs
index 85875f6c4..e68b748b7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -22,6 +22,9 @@ pub use crate::node::*;
 mod rca_metrics;
 pub(crate) use rca_metrics::*;
 
+mod rca_languages;
+pub(crate) use rca_languages::*;
+
 pub mod web;
 
 #[macro_use]
@@ -68,45 +71,3 @@ pub use crate::comment_rm::*;
 
 mod dump;
 pub use crate::dump::*;
-
-mod language_ccomment;
-pub use crate::language_ccomment::*;
-
-mod language_cpp;
-pub use crate::language_cpp::*;
-
-mod language_csharp;
-pub use crate::language_csharp::*;
-
-mod language_css;
-pub use crate::language_css::*;
-
-mod language_go;
-pub use crate::language_go::*;
-
-mod language_html;
-pub use crate::language_html::*;
-
-mod language_java;
-pub use crate::language_java::*;
-
-mod language_mozjs;
-pub use crate::language_mozjs::*;
-
-mod language_javascript;
-pub use crate::language_javascript::*;
-
-mod language_python;
-pub use crate::language_python::*;
-
-mod language_rust;
-pub use crate::language_rust::*;
-
-mod language_tsx;
-pub use crate::language_tsx::*;
-
-mod language_typescript;
-pub use crate::language_typescript::*;
-
-mod language_preproc;
-pub use crate::language_preproc::*;
diff --git a/src/preproc.rs b/src/preproc.rs
index c9112b96b..cd6f5e188 100644
--- a/src/preproc.rs
+++ b/src/preproc.rs
@@ -5,8 +5,8 @@ use std::collections::{hash_map, HashMap, HashSet};
 use std::path::PathBuf;
 use std::sync::{Arc, Mutex};
 
-use crate::language_preproc::*;
 use crate::languages::*;
+use crate::rca_languages::language_preproc::*;
 use crate::tools::*;
 use crate::traits::*;
 
diff --git a/src/language_ccomment.rs b/src/rca_languages/language_ccomment.rs
similarity index 100%
rename from src/language_ccomment.rs
rename to src/rca_languages/language_ccomment.rs
diff --git a/src/language_cpp.rs b/src/rca_languages/language_cpp.rs
similarity index 100%
rename from src/language_cpp.rs
rename to src/rca_languages/language_cpp.rs
diff --git a/src/language_csharp.rs b/src/rca_languages/language_csharp.rs
similarity index 100%
rename from src/language_csharp.rs
rename to src/rca_languages/language_csharp.rs
diff --git a/src/language_css.rs b/src/rca_languages/language_css.rs
similarity index 100%
rename from src/language_css.rs
rename to src/rca_languages/language_css.rs
diff --git a/src/language_go.rs b/src/rca_languages/language_go.rs
similarity index 100%
rename from src/language_go.rs
rename to src/rca_languages/language_go.rs
diff --git a/src/language_html.rs b/src/rca_languages/language_html.rs
similarity index 100%
rename from src/language_html.rs
rename to src/rca_languages/language_html.rs
diff --git a/src/language_java.rs b/src/rca_languages/language_java.rs
similarity index 100%
rename from src/language_java.rs
rename to src/rca_languages/language_java.rs
diff --git a/src/language_javascript.rs b/src/rca_languages/language_javascript.rs
similarity index 100%
rename from src/language_javascript.rs
rename to src/rca_languages/language_javascript.rs
diff --git a/src/language_mozjs.rs b/src/rca_languages/language_mozjs.rs
similarity index 100%
rename from src/language_mozjs.rs
rename to src/rca_languages/language_mozjs.rs
diff --git a/src/language_preproc.rs b/src/rca_languages/language_preproc.rs
similarity index 100%
rename from src/language_preproc.rs
rename to src/rca_languages/language_preproc.rs
diff --git a/src/language_python.rs b/src/rca_languages/language_python.rs
similarity index 100%
rename from src/language_python.rs
rename to src/rca_languages/language_python.rs
diff --git a/src/language_rust.rs b/src/rca_languages/language_rust.rs
similarity index 100%
rename from src/language_rust.rs
rename to src/rca_languages/language_rust.rs
diff --git a/src/language_tsx.rs b/src/rca_languages/language_tsx.rs
similarity index 100%
rename from src/language_tsx.rs
rename to src/rca_languages/language_tsx.rs
diff --git a/src/language_typescript.rs b/src/rca_languages/language_typescript.rs
similarity index 100%
rename from src/language_typescript.rs
rename to src/rca_languages/language_typescript.rs
diff --git a/src/rca_languages/mod.rs b/src/rca_languages/mod.rs
new file mode 100644
index 000000000..6b74160a4
--- /dev/null
+++ b/src/rca_languages/mod.rs
@@ -0,0 +1,41 @@
+pub mod language_ccomment;
+pub use language_ccomment::*;
+
+pub mod language_cpp;
+pub use language_cpp::*;
+
+pub mod language_csharp;
+pub use language_csharp::*;
+
+pub mod language_css;
+pub use language_css::*;
+
+pub mod language_go;
+pub use language_go::*;
+
+pub mod language_html;
+pub use language_html::*;
+
+pub mod language_java;
+pub use language_java::*;
+
+pub mod language_mozjs;
+pub use language_mozjs::*;
+
+pub mod language_javascript;
+pub use language_javascript::*;
+
+pub mod language_python;
+pub use language_python::*;
+
+pub mod language_rust;
+pub use language_rust::*;
+
+pub mod language_tsx;
+pub use language_tsx::*;
+
+pub mod language_typescript;
+pub use language_typescript::*;
+
+pub mod language_preproc;
+pub use language_preproc::*;