diff --git a/cmake/RMVLCompilerOptions.cmake b/cmake/RMVLCompilerOptions.cmake
index 1082f722..5a8460d2 100755
--- a/cmake/RMVLCompilerOptions.cmake
+++ b/cmake/RMVLCompilerOptions.cmake
@@ -260,6 +260,9 @@ endif()
 option(BUILD_PERF_TESTS "Build performance tests" OFF)
 if(BUILD_PERF_TESTS)
   enable_testing()
-  set(BENCHMARK_ENABLE_TESTING OFF)
-  rmvl_download(benchmark GIT "https://github.com/google/benchmark.git : v1.8.0")
+  find_package(benchmark QUIET)
+  if(NOT benchmark_FOUND)
+    set(BENCHMARK_ENABLE_TESTING OFF)
+    rmvl_download(benchmark GIT "https://github.com/google/benchmark.git : v1.8.0")
+  endif()
 endif(BUILD_PERF_TESTS)
diff --git a/cmake/RMVLModule.cmake b/cmake/RMVLModule.cmake
index 37ce9d6a..35c35ffd 100644
--- a/cmake/RMVLModule.cmake
+++ b/cmake/RMVLModule.cmake
@@ -278,6 +278,8 @@ function(rmvl_add_test test_name test_kind)
     ${the_target}
     PRIVATE ${TS_DEPEND_TESTS}
   )
+
+  # Add test
   if("${test_kind_lower}" STREQUAL "unit")
     gtest_discover_tests(
       ${the_target}
diff --git a/modules/imgproc/perf/perf_pretreat.cpp b/modules/imgproc/perf/perf_pretreat.cpp
index 418eaa98..2c04424a 100644
--- a/modules/imgproc/perf/perf_pretreat.cpp
+++ b/modules/imgproc/perf/perf_pretreat.cpp
@@ -10,8 +10,6 @@
  */
 
 #include <benchmark/benchmark.h>
-#include <iostream>
-#include <tuple>
 
 #include <opencv2/imgproc.hpp>