diff --git a/tests/unit/CMakeLists.txt b/tests/unit/CMakeLists.txt
index e36add0ff..f7c302de6 100644
--- a/tests/unit/CMakeLists.txt
+++ b/tests/unit/CMakeLists.txt
@@ -23,7 +23,7 @@ target_include_directories(test_geos_unit
 file(GLOB_RECURSE _testfiles ${CMAKE_CURRENT_LIST_DIR}/**/*Test.cpp CONFIGURE_DEPEND)
 foreach(_testfile ${_testfiles})
     string(REPLACE ${CMAKE_CURRENT_LIST_DIR}/ "" _testname ${_testfile})
-    string(REPLACE "../../test.cpp" "" _testname ${_testname})
+    string(REPLACE "Test.cpp" "" _testname ${_testname})
     string(REPLACE "/" "-" _cmake_testname  ${_testname})
     string(REPLACE "/" "::" _testname ${_testname})
     if (NOT ${_testname} MATCHES "^capi::")
diff --git a/tests/unit/index/strtree/SimpleSTRtreeTest.cpp b/tests/unit/index/strtree/SimpleSTRtreeTest.cpp
index af4138ed5..380785f2c 100644
--- a/tests/unit/index/strtree/SimpleSTRtreeTest.cpp
+++ b/tests/unit/index/strtree/SimpleSTRtreeTest.cpp
@@ -7,35 +7,8 @@
 #include <geos/index/strtree/GeometryItemDistance.h>
 #include <geos/index/ItemVisitor.h>
 #include <geos/io/WKTReader.h>
-#include <geos/geom/Envelope3d.h>
-#include <iostream>
-#include <ctime>
-#include <iostream>
-#include <thread>
-#include <chrono>
-#include <string.h>
-
-#ifdef WIN32
-#include <windows.h>
-#include <psapi.h>
-//#include <tlhelp32.h>
-#include <direct.h>
-#include <process.h>
-#else
-#include <sys/stat.h>
-//#include <sys/sysinfo.h>
-#include <sys/time.h>
-#include <unistd.h>
-#endif
-#include <google/protobuf/io/coded_stream.h>
-// get current process pid
-inline int GetCurrentPid()
-{
-    return getpid();
-}
-
-#define VMRSS_LINE 22
 
+#include <iostream>
 
 using namespace geos;
 
@@ -181,76 +154,6 @@ void object::test<3>
 }
 
 
-// get specific process physical memeory occupation size by pid (MB)
-inline float GetMemoryUsage(int pid)
-{
-#ifdef WIN32
-    uint64_t mem = 0, vmem = 0;
-PROCESS_MEMORY_COUNTERS pmc;
-
-// get process hanlde by pid
-HANDLE process = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pid);
-if (GetProcessMemoryInfo(process, &pmc, sizeof(pmc)))
-{
-    mem = pmc.WorkingSetSize;
-    vmem = pmc.PagefileUsage;
-}
-CloseHandle(process);
-
-// use GetCurrentProcess() can get current process and no need to close handle
-
-// convert mem from B to MB
-return mem / 1024.0 / 1024.0;
-
-#else
-    char file_name[64] = { 0 };
-    FILE* fd;
-    char line_buff[512] = { 0 };
-    sprintf(file_name, "/proc/%d/status", pid);
-
-    fd = fopen(file_name, "r");
-    if (nullptr == fd)
-        return 0;
-
-    char name[64];
-    int vmrss = 0;
-    for (int i = 0; i < VMRSS_LINE - 1; i++)
-        fgets(line_buff, sizeof(line_buff), fd);
-
-    fgets(line_buff, sizeof(line_buff), fd);
-    sscanf(line_buff, "%s %d", name, &vmrss);
-    fclose(fd);
-
-    // cnvert VmRSS from KB to MB
-    return float(vmrss / 1024.0);
-#endif
-}
-
-
-
-template<>
-template<>
-void object::test<4>
-        () {
-
-    index::strtree::SimpleSTRtree t(10);
-    std::vector<std::unique_ptr<geom::Geometry>> geoms;
-    const int gridSize = 100;
-    const int gap = 10;
-    auto gf = geom::GeometryFactory::create();
-
-    for (int i = 0; i < gridSize; ++i) {
-        for (int j = 0; j < gridSize; ++j) {
-            for (int k= 0; k < gridSize; ++k) {
-                    geos::geom::Envelope3d e(i, i + gap, j, j + gap, k, k + gap);
-                    const auto ep = &e;
-                    t.insert(ep, static_cast<void*>(&e));
-            }
-        }
-    }
-    t.getRoot3d();
-
-}
 
 } // namespace tut