diff --git a/CMakeLists.txt b/CMakeLists.txt
index b4278e6..c113045 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ project(libabacus)
 
 add_compile_options(-pedantic -Wall)
 
-add_library(abacus STATIC src/lexer.c src/util.c src/table.c src/parser.c src/libabacus.c src/tree.c src/debug.c src/parsetype.c src/reserved.c src/trie.c src/refcount.c src/ref_vec.c src/ref_trie.c src/basetype.c src/value.c src/custom.c src/types.c)
+add_library(abacus STATIC src/lexer.c src/util.c src/table.c src/parser.c src/libabacus.c src/tree.c src/debug.c src/parsetype.c src/reserved.c src/trie.c src/refcount.c src/ref_vec.c src/ref_trie.c src/basetype.c src/value.c src/custom.c)
 add_executable(libabacus src/main.c)
 add_subdirectory(external/liblex)
 
diff --git a/include/types.h b/include/types.h
deleted file mode 100644
index 0c6bc3a..0000000
--- a/include/types.h
+++ /dev/null
@@ -1,38 +0,0 @@
-#ifndef LIBABACUS_TYPES_H
-#define LIBABACUS_TYPES_H
-
-#include "ref_vec.h"
-
-/**
- * A struct that represents an array
- * in libab.
- */
-struct libab_array_s {
-    /**
-     * The elements in the array.
-     */
-    libab_ref_vec elems;
-};
-
-typedef struct libab_array_s libab_array;
-
-/**
- * Initializes the array.
- * @param array the array to initialize.
- * @return the result of the initialization.
- */
-libab_result libab_array_init(libab_array* array);
-/**
- * Inserts an element into the array.
- * @param array the array to insert.
- * @param value the interpreter value to insert.
- * @return the result of the insertion.
- */
-libab_result libab_array_insert(libab_array* array, libab_ref* value);
-/**
- * Frees the given array.
- * @param array the array to free.
- */
-void libab_array_free(libab_array* array);
-
-#endif