diff --git a/src/libprojectM/Renderer/ShaderEngine.cpp b/src/libprojectM/Renderer/ShaderEngine.cpp
index d15527600..a182720a8 100644
--- a/src/libprojectM/Renderer/ShaderEngine.cpp
+++ b/src/libprojectM/Renderer/ShaderEngine.cpp
@@ -678,7 +678,7 @@ GLuint ShaderEngine::compilePresetShader(const PresentShaderType shaderType, Sha
     if (!parser.ApplyPreprocessor(shaderFilename.c_str(), fullSource.c_str(), fullSource.size(), sourcePreprocessed)) {
         std::cerr << "Failed to preprocess HLSL(step1) " << shaderTypeString << " shader" << std::endl;
 
-#ifndef DUMP_SHADERS_ON_ERROR
+#if !DUMP_SHADERS_ON_ERROR
         std::cerr << "Source: " << std::endl << fullSource << std::endl;
 #else
         std::ofstream out("/tmp/shader_" + shaderTypeString + "_step1.txt");
@@ -730,7 +730,7 @@ GLuint ShaderEngine::compilePresetShader(const PresentShaderType shaderType, Sha
     if( !parser.Parse(shaderFilename.c_str(), sourcePreprocessed.c_str(), sourcePreprocessed.size()) ) {
         std::cerr << "Failed to parse HLSL(step2) " << shaderTypeString << " shader" << std::endl;
 
-#ifndef DUMP_SHADERS_ON_ERROR
+#if !DUMP_SHADERS_ON_ERROR
         std::cerr << "Source: " << std::endl << sourcePreprocessed << std::endl;
 #else
         std::ofstream out2("/tmp/shader_" + shaderTypeString + "_step2.txt");
@@ -743,7 +743,7 @@ GLuint ShaderEngine::compilePresetShader(const PresentShaderType shaderType, Sha
     // generate GLSL
     if (!generator.Generate(&tree, M4::GLSLGenerator::Target_FragmentShader, M4::GLSLGenerator::Version_140, "PS")) {
         std::cerr << "Failed to transpile HLSL(step3) " << shaderTypeString << " shader to GLSL" << std::endl;
-#ifndef DUMP_SHADERS_ON_ERROR
+#if !DUMP_SHADERS_ON_ERROR
         std::cerr << "Source: " << std::endl << sourcePreprocessed << std::endl;
 #else
         std::ofstream out2("/tmp/shader_" + shaderTypeString + "_step2.txt");
@@ -767,7 +767,7 @@ GLuint ShaderEngine::compilePresetShader(const PresentShaderType shaderType, Sha
     } else {
         std::cerr << "Compilation error (step3) of " << shaderTypeString << std::endl;
 
-#ifndef DUMP_SHADERS_ON_ERROR
+#if !DUMP_SHADERS_ON_ERROR
         std::cerr << "Source:" << std::endl << generator.GetResult() << std::endl;
 #else
         std::ofstream out3("/tmp/shader_" + shaderTypeString + "_step3.txt");
diff --git a/src/libprojectM/projectM-opengl.h b/src/libprojectM/projectM-opengl.h
index 9bcf46f8a..79e1e784c 100644
--- a/src/libprojectM/projectM-opengl.h
+++ b/src/libprojectM/projectM-opengl.h
@@ -9,10 +9,13 @@
 #define GL_TRANSITION
 
 // Enable openGL extra checks, better not be enabled in release build
-#define OGL_DEBUG  0
+#define OGL_DEBUG                   0
 
+// Unlock FPS for rendering benchmarks, it disables Vblank/Vsync and prints drawned frames count within a 5s test run
+#define UNLOCK_FPS                  0
 
-#define DUMP_SHADERS_ON_ERROR
+// If a shader compilation failure occurs, it dumps shader source into /tmp instead of stderr
+#define DUMP_SHADERS_ON_ERROR       0
 
 #ifdef __APPLE__
 # include <OpenGL/gl3.h>
diff --git a/src/libprojectM/projectM.cpp b/src/libprojectM/projectM.cpp
index 947267c82..b1118eeb9 100755
--- a/src/libprojectM/projectM.cpp
+++ b/src/libprojectM/projectM.cpp
@@ -449,6 +449,7 @@ static void *thread_callback(void *prjm) {
             this->fpsstart=getTicks ( &timeKeeper->startTime );
         }
 
+#ifndef UNLOCK_FPS
         int timediff = getTicks ( &timeKeeper->startTime )-this->timestart;
 
         if ( timediff < this->mspf )
@@ -461,6 +462,8 @@ static void *thread_callback(void *prjm) {
                 if ( usleep ( sleepTime ) != 0 ) {}}
         }
         this->timestart=getTicks ( &timeKeeper->startTime );
+#endif
+
         #endif /** !WIN32 */
 
 	#ifdef SYNC_PRESET_SWITCHES
diff --git a/src/projectM-sdl/projectM_SDL_main.cpp b/src/projectM-sdl/projectM_SDL_main.cpp
index d15511210..f56061871 100644
--- a/src/projectM-sdl/projectM_SDL_main.cpp
+++ b/src/projectM-sdl/projectM_SDL_main.cpp
@@ -8,7 +8,6 @@
 
 #include "pmSDL.hpp"
 
-#define UNLOCK_FPS	0
 #define FAKE_AUDIO	0
 #define TEST_ALL_PRESETS	0