diff --git a/spec/runtime/helpers/dummy_language.c b/spec/runtime/helpers/dummy_language.c
deleted file mode 100644
index acc975fb..00000000
--- a/spec/runtime/helpers/dummy_language.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#include "runtime/helpers/dummy_language.h"
-#include "tree_sitter/parser.h"
-
-const TSParseAction parse_table[3][5] = {
-    [0] = {
-        [dummy_sym2] = SHIFT(12),
-        [dummy_sym3] = SHIFT(12),
-    },
-    [1] = {
-        [dummy_sym1] = ACCEPT_INPUT(),
-        [dummy_sym2] = SHIFT(2),
-        [dummy_sym3] = SHIFT(4),
-    },
-    [2] = {
-        [dummy_sym1] = SHIFT(3),
-        [dummy_sym2] = SHIFT(12),
-        [dummy_sym3] = SHIFT(12),
-    },
-};
-
-const TSStateId lex_states[3] = {
-    [0] = 100,
-    [1] = 101,
-    [2] = 102,
-};
-
-const int hidden_symbols[5] = {
-    [dummy_sym1] = 0,
-    [dummy_sym2] = 0,
-    [dummy_sym3] = 1,
-};
-
-static TSLanguage language = {
-    .symbol_count = 5,
-    .parse_table = (const TSParseAction *)parse_table,
-    .lex_states = lex_states,
-    .hidden_symbol_flags = hidden_symbols,
-};
-
-const TSLanguage * dummy_language() {
-  return &language;
-}
diff --git a/spec/runtime/helpers/dummy_language.h b/spec/runtime/helpers/dummy_language.h
deleted file mode 100644
index 8cb02271..00000000
--- a/spec/runtime/helpers/dummy_language.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef HELPERS_DUMMY_LANGUAGE_H_
-#define HELPERS_DUMMY_LANGUAGE_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "tree_sitter/runtime.h"
-#include "tree_sitter/parser.h"
-
-enum {
-    dummy_sym1 = 2,
-    dummy_sym2 = 3,
-    dummy_sym3 = 4,
-};
-
-const TSLanguage * dummy_language();
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif  // HELPERS_DUMMY_LANGUAGE_H_
diff --git a/spec/runtime/parser_spec.cc b/spec/runtime/parser_spec.cc
deleted file mode 100644
index 8f99d601..00000000
--- a/spec/runtime/parser_spec.cc
+++ /dev/null
@@ -1,78 +0,0 @@
-#include "runtime/runtime_spec_helper.h"
-#include "runtime/helpers/spy_reader.h"
-#include "runtime/helpers/dummy_language.h"
-#include "runtime/tree.h"
-#include "runtime/parser.h"
-#include "tree_sitter/parser.h"
-
-TSTree *lex_fn_node_to_return;
-TSStateId lex_fn_state_received;
-TSLexer *lex_fn_lexer_received;
-
-TSTree * fake_lex(TSLexer *lexer, TSStateId state_id) {
-  lex_fn_lexer_received = lexer;
-  lex_fn_state_received = state_id;
-  return lex_fn_node_to_return;
-}
-
-START_TEST
-
-describe("LR Parsers", [&]() {
-  TSParser parser;
-  SpyReader *reader;
-  TSLanguage language;
-
-  before_each([&]() {
-    language = *dummy_language();
-    language.lex_fn = fake_lex;
-    parser = ts_parser_make(&language);
-
-    reader = new SpyReader("some structured text", 5);
-  });
-
-  after_each([&]() {
-    ts_parser_destroy(&parser);
-    delete reader;
-  });
-
-  describe("when starting at the beginning of the input (edit is NULL)", [&]() {
-    before_each([&]() {
-      ts_parser_start(&parser, reader->input, nullptr);
-    });
-
-    it("runs the lexer with the lex state corresponding to the initial state", [&]() {
-      lex_fn_node_to_return = ts_tree_make_leaf(dummy_sym2, 5, 1, 0);
-      ts_parser_step(&parser);
-      AssertThat(lex_fn_state_received, Equals(100));
-    });
-
-    describe("when the returned symbol indicates a shift action", [&]() {
-      before_each([&]() {
-        lex_fn_node_to_return = ts_tree_make_leaf(dummy_sym2, 5, 1, 0);
-      });
-
-      it("advances to the state specified in the action", [&]() {
-        ts_parser_step(&parser);
-        AssertThat(ts_stack_top_state(&parser.stack), Equals(12));
-      });
-
-      it("continues parsing (returns NULL)", [&]() {
-        auto result = ts_parser_step(&parser);
-        AssertThat(result, Equals((TSTree *)nullptr));
-      });
-    });
-
-    describe("when the returned symbol indicates an error", [&]() {
-      before_each([&]() {
-        lex_fn_node_to_return = ts_tree_make_leaf(dummy_sym1, 5, 1, 0);
-      });
-
-      it("ends the parse, returning an error tree", [&]() {
-        auto result = ts_parser_step(&parser);
-        AssertThat(result->symbol, Equals(ts_builtin_sym_error));
-      });
-    });
-  });
-});
-
-END_TEST