diff --git a/sources/reactphysics3d/testing/TestSuite/Suite.cpp b/sources/reactphysics3d/testing/TestSuite/Suite.cpp
deleted file mode 100644
index 6e23b097..00000000
--- a/sources/reactphysics3d/testing/TestSuite/Suite.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-//: TestSuite:Suite.cpp {O}
-// From "Thinking in C++, Volume 2", by Bruce Eckel & Chuck Allison.
-// (c) 1995-2004 MindView, Inc. All Rights Reserved.
-// See source code use permissions stated in the file 'License.txt',
-// distributed with the code package available at www.MindView.net.
-#include "Suite.h"
-#include <iostream>
-#include <cassert>
-#include <cstddef>
-using namespace std;
-using namespace TestSuite;
-
-void Suite::addTest(Test* t) throw(TestSuiteError) {
-  // Verify test is valid and has a stream:
-  if(t == 0)
-    throw TestSuiteError("Null test in Suite::addTest");
-  else if(osptr && !t->getStream())
-    t->setStream(osptr);
-  tests.push_back(t);
-  t->reset();
-}
-
-void Suite::addSuite(const Suite& s) {
-   for(size_t i = 0; i < s.tests.size(); ++i) {
-     assert(tests[i]);
-      addTest(s.tests[i]);
-  }
-}
-
-void Suite::free() {
-  for(size_t i = 0; i < tests.size(); ++i) {
-    delete tests[i];
-    tests[i] = 0;
-  }
-}
-
-void Suite::run() {
-  reset();
-  for(size_t i = 0; i < tests.size(); ++i) {
-    assert(tests[i]);
-    tests[i]->run();
-  }
-}
-
-long Suite::report() const {
-  if(osptr) {
-    long totFail = 0;
-    *osptr << "Suite \"" << name
-             << "\"\n=======";
-    size_t i;
-    for(i = 0; i < name.size(); ++i)
-      *osptr << '=';
-    *osptr << "=" << endl;
-    for(i = 0; i < tests.size(); ++i) {
-      assert(tests[i]);
-      totFail += tests[i]->report();
-    }
-    *osptr << "=======";
-    for(i = 0; i < name.size(); ++i)
-      *osptr << '=';
-    *osptr << "=" << endl;
-    return totFail;
-  }
-  else
-    return getNumFailed();
-}
-
-long Suite::getNumPassed() const {
-  long totPass = 0;
-  for(size_t i = 0; i < tests.size(); ++i) {
-    assert(tests[i]);
-    totPass += tests[i]->getNumPassed();
-  }
-  return totPass;
-}
-
-long Suite::getNumFailed() const {
-  long totFail = 0;
-  for(size_t i = 0; i < tests.size(); ++i) {
-    assert(tests[i]);
-    totFail += tests[i]->getNumFailed();
-  }
-  return totFail;
-}
-
-void Suite::reset() {
-  for(size_t i = 0; i < tests.size(); ++i) {
-    assert(tests[i]);
-    tests[i]->reset();
-  }
-} ///:~
diff --git a/sources/reactphysics3d/testing/TestSuite/Suite.h b/sources/reactphysics3d/testing/TestSuite/Suite.h
deleted file mode 100644
index e7329213..00000000
--- a/sources/reactphysics3d/testing/TestSuite/Suite.h
+++ /dev/null
@@ -1,46 +0,0 @@
-//: TestSuite:Suite.h
-// From "Thinking in C++, Volume 2", by Bruce Eckel & Chuck Allison.
-// (c) 1995-2004 MindView, Inc. All Rights Reserved.
-// See source code use permissions stated in the file 'License.txt',
-// distributed with the code package available at www.MindView.net.
-#ifndef SUITE_H
-#define SUITE_H
-#include <vector>
-#include <stdexcept>
-#include "../TestSuite/Test.h"
-using std::vector;
-using std::logic_error;
-
-namespace TestSuite {
-
-class TestSuiteError : public logic_error {
-public:
-  TestSuiteError(const string& s = "")
-  : logic_error(s) {}
-};
-
-class Suite {
-  string name;
-  ostream* osptr;
-  vector<Test*> tests;
-  void reset();
-  // Disallowed ops:
-  Suite(const Suite&);
-  Suite& operator=(const Suite&);
-public:
-  Suite(const string& name, ostream* osptr = &cout)
-  : name(name) { this->osptr = osptr; }
-  string getName() const { return name; }
-  long getNumPassed() const;
-  long getNumFailed() const;
-  const ostream* getStream() const { return osptr; }
-  void setStream(ostream* osptr) { this->osptr = osptr; }
-  void addTest(Test* t) throw(TestSuiteError);
-  void addSuite(const Suite&);
-  void run();  // Calls Test::run() repeatedly
-  long report() const;
-  void free();  // Deletes tests
-};
-
-} // namespace TestSuite
-#endif // SUITE_H ///:~
diff --git a/sources/reactphysics3d/testing/TestSuite/Test.cpp b/sources/reactphysics3d/testing/TestSuite/Test.cpp
deleted file mode 100644
index 8ad4ac4f..00000000
--- a/sources/reactphysics3d/testing/TestSuite/Test.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-//: TestSuite:Test.cpp {O}
-// From "Thinking in C++, Volume 2", by Bruce Eckel & Chuck Allison.
-// (c) 1995-2004 MindView, Inc. All Rights Reserved.
-// See source code use permissions stated in the file 'License.txt',
-// distributed with the code package available at www.MindView.net.
-#include "Test.h"
-#include <iostream>
-#include <typeinfo>
-using namespace std;
-using namespace TestSuite;
-
-void Test::do_test(bool cond, const std::string& lbl,
-  const char* fname, long lineno) {
-  if(!cond)
-    do_fail(lbl, fname, lineno);
-  else
-    succeed_();
-}
-
-void Test::do_fail(const std::string& lbl,
-  const char* fname, long lineno) {
-  ++nFail;
-  if(osptr) {
-    *osptr << typeid(*this).name()
-           << "failure: (" << lbl << ") , " << fname
-           << " (line " << lineno << ")" << endl;
-  }
-}
-
-long Test::report() const {
-  if(osptr) {
-    *osptr << "Test  \"" <<  typeid(*this).name()
-           << "\":\n\tPassed: " << nPass
-           << "\tFailed: " << nFail
-           << endl;
-  }
-  return nFail;
-} ///:~
diff --git a/sources/reactphysics3d/testing/TestSuite/Test.h b/sources/reactphysics3d/testing/TestSuite/Test.h
deleted file mode 100644
index fb85c63a..00000000
--- a/sources/reactphysics3d/testing/TestSuite/Test.h
+++ /dev/null
@@ -1,55 +0,0 @@
-//: TestSuite:Test.h
-// From "Thinking in C++, Volume 2", by Bruce Eckel & Chuck Allison.
-// (c) 1995-2004 MindView, Inc. All Rights Reserved.
-// See source code use permissions stated in the file 'License.txt',
-// distributed with the code package available at www.MindView.net.
-#ifndef TEST_H
-#define TEST_H
-#include <string>
-#include <iostream>
-#include <cassert>
-using std::string;
-using std::ostream;
-using std::cout;
-
-// fail_() has an underscore to prevent collision with
-// ios::fail(). For consistency, test_() and succeed_()
-// also have underscores.
-
-#define test_(cond) \
-  do_test(cond, #cond, __FILE__, __LINE__)
-#define fail_(str) \
-  do_fail(str, __FILE__, __LINE__)
-
-namespace TestSuite {
-
-class Test {
-  ostream* osptr;
-  long nPass;
-  long nFail;
-  // Disallowed:
-  Test(const Test&);
-  Test& operator=(const Test&);
-protected:
-  void do_test(bool cond, const string& lbl,
-    const char* fname, long lineno);
-  void do_fail(const string& lbl,
-    const char* fname, long lineno);
-public:
-  Test(ostream* osptr = &cout) {
-    this->osptr = osptr;
-    nPass = nFail = 0;
-  }
-  virtual ~Test() {}
-  virtual void run() = 0;
-  long getNumPassed() const { return nPass; }
-  long getNumFailed() const { return nFail; }
-  const ostream* getStream() const { return osptr; }
-  void setStream(ostream* osptr) { this->osptr = osptr; }
-  void succeed_() { ++nPass; }
-  long report() const;
-  virtual void reset() { nPass = nFail = 0; }
-};
-
-} // namespace TestSuite
-#endif // TEST_H ///:~