diff --git a/readme.txt b/readme.txt
index aeec6c4e..3c6b17ea 100644
--- a/readme.txt
+++ b/readme.txt
@@ -72,6 +72,7 @@ Improvements:
 - Reduced integer type redifinitions #233
 - Rewrited of GTX_fast_trigonometry #264 #265
 - Made types trivially copyable #263
+- Removed <iostream> in GLM tests
 
 Fixes:
 - Fixed std::nextafter not supported with C++11 on Android #217
diff --git a/test/core/core_setup_message.cpp b/test/core/core_setup_message.cpp
index 84be5185..dc75b98a 100644
--- a/test/core/core_setup_message.cpp
+++ b/test/core/core_setup_message.cpp
@@ -9,7 +9,7 @@
 
 #define GLM_MESSAGES
 #include <glm/vec3.hpp>
-#include <iostream>
+#include <cstdio>
 
 int test_compiler()
 {
@@ -20,22 +20,22 @@ int test_compiler()
 		switch(GLM_COMPILER)
 		{
 		case GLM_COMPILER_VC10:
-			std::cout << "GLM_COMPILER_VC10" << std::endl;	
+			std::printf("GLM_COMPILER_VC10\n");
 			break;
 		case GLM_COMPILER_VC11:
-			std::cout << "GLM_COMPILER_VC11" << std::endl;	
+			std::printf("GLM_COMPILER_VC11\n");
 			break;
 		case GLM_COMPILER_VC12:
-			std::cout << "GLM_COMPILER_VC12" << std::endl;
+			std::printf("GLM_COMPILER_VC12\n");
 			break;
 		case GLM_COMPILER_VC13:
-			std::cout << "GLM_COMPILER_VC13" << std::endl;
+			std::printf("GLM_COMPILER_VC13\n");
 			break;
 		case GLM_COMPILER_VC14:
-			std::cout << "GLM_COMPILER_VC14" << std::endl;
+			std::printf("GLM_COMPILER_VC14\n");
 			break;
 		default:
-			std::cout << "Visual C++ version not detected" << std::endl;
+			std::printf("Visual C++ version not detected\n");
 			Error += 1;
 			break;
 		}
@@ -45,66 +45,66 @@ int test_compiler()
 		switch(GLM_COMPILER)
 		{
 		case GLM_COMPILER_GCC42:
-			std::cout << "GLM_COMPILER_GCC42" << std::endl;	
+			std::printf("GLM_COMPILER_GCC42\n");
 			break;
 		case GLM_COMPILER_GCC43:
-			std::cout << "GLM_COMPILER_GCC43" << std::endl;	
+			std::printf("GLM_COMPILER_GCC43\n");
 			break;
 		case GLM_COMPILER_GCC44:
-			std::cout << "GLM_COMPILER_GCC44" << std::endl;	
+			std::printf("GLM_COMPILER_GCC44\n");
 			break;
 		case GLM_COMPILER_GCC45:
-			std::cout << "GLM_COMPILER_GCC45" << std::endl;	
+			std::printf("GLM_COMPILER_GCC45\n");
 			break;
 		case GLM_COMPILER_GCC46:
-			std::cout << "GLM_COMPILER_GCC46" << std::endl;	
+			std::printf("GLM_COMPILER_GCC46\n");
 			break;
 		case GLM_COMPILER_GCC47:
-			std::cout << "GLM_COMPILER_GCC47" << std::endl;	
+			std::printf("GLM_COMPILER_GCC47\n");
 			break;
 		case GLM_COMPILER_GCC48:
-			std::cout << "GLM_COMPILER_GCC48" << std::endl;	
+			std::printf("GLM_COMPILER_GCC48\n");
 			break;
 		case GLM_COMPILER_GCC49:
-			std::cout << "GLM_COMPILER_GCC49" << std::endl;
+			std::printf("GLM_COMPILER_GCC49\n");
 			break;
 		case GLM_COMPILER_GCC50:
-			std::cout << "GLM_COMPILER_GCC50" << std::endl;
+			std::printf("GLM_COMPILER_GCC50\n");
 			break;
 		default:
-			std::cout << "GCC version not detected" << std::endl;
+			std::printf("GCC version not detected\n");
 			Error += 1;
 			break;
 		}
 	}
 	else if(GLM_COMPILER & GLM_COMPILER_CUDA)
 	{
-		std::cout << "GLM_COMPILER_CUDA" << std::endl;		
+		std::printf("GLM_COMPILER_CUDA\n");
 	}
 	else if(GLM_COMPILER & GLM_COMPILER_APPLE_CLANG)
 	{
 		switch(GLM_COMPILER)
 		{
 		case GLM_COMPILER_APPLE_CLANG40:
-			std::cout << "GLM_COMPILER_APPLE_CLANG40" << std::endl;		
+			std::printf("GLM_COMPILER_APPLE_CLANG40\n");
 			break;
 		case GLM_COMPILER_APPLE_CLANG41:
-			std::cout << "GLM_COMPILER_APPLE_CLANG41" << std::endl;		
+			std::printf("GLM_COMPILER_APPLE_CLANG41\n");
 			break;
 		case GLM_COMPILER_APPLE_CLANG42:
-			std::cout << "GLM_COMPILER_APPLE_CLANG42" << std::endl;		
+			std::printf("GLM_COMPILER_APPLE_CLANG42\n");
 			break;
 		case GLM_COMPILER_APPLE_CLANG50:
-			std::cout << "GLM_COMPILER_APPLE_CLANG50" << std::endl;		
+			std::printf("GLM_COMPILER_APPLE_CLANG50\n");
 			break;
 		case GLM_COMPILER_APPLE_CLANG51:
-			std::cout << "GLM_COMPILER_APPLE_CLANG51" << std::endl;		
+			std::printf("GLM_COMPILER_APPLE_CLANG51\n");
 			break;
 		case GLM_COMPILER_APPLE_CLANG60:
-			std::cout << "GLM_COMPILER_APPLE_CLANG60" << std::endl;		
+			std::printf("GLM_COMPILER_APPLE_CLANG60\n");	
 			break;
 		default:
-			std::cout << "Apple Clang version not detected" << std::endl;
+			std::printf("Apple Clang version not detected\n");
 			break;
 		}
 	}
@@ -113,25 +113,25 @@ int test_compiler()
 		switch(GLM_COMPILER)
 		{
 		case GLM_COMPILER_LLVM30:
-			std::cout << "GLM_COMPILER_LLVM30" << std::endl;		
+			std::printf("GLM_COMPILER_LLVM30\n");
 			break;
 		case GLM_COMPILER_LLVM31:
-			std::cout << "GLM_COMPILER_LLVM31" << std::endl;		
+			std::printf("GLM_COMPILER_LLVM31\n");
 			break;
 		case GLM_COMPILER_LLVM32:
-			std::cout << "GLM_COMPILER_LLVM32" << std::endl;		
+			std::printf("GLM_COMPILER_LLVM32\n");
 			break;
 		case GLM_COMPILER_LLVM33:
-			std::cout << "GLM_COMPILER_LLVM33" << std::endl;		
+			std::printf("GLM_COMPILER_LLVM33\n");
 			break;
 		case GLM_COMPILER_LLVM34:
-			std::cout << "GLM_COMPILER_LLVM34" << std::endl;		
+			std::printf("GLM_COMPILER_LLVM34\n");
 			break;
 		case GLM_COMPILER_LLVM35:
-			std::cout << "GLM_COMPILER_LLVM35" << std::endl;		
+			std::printf("GLM_COMPILER_LLVM35\n");
 			break;
 		default:
-			std::cout << "LLVM version not detected" << std::endl;
+			std::printf("LLVM version not detected\n");
 			break;
 		}
 	}
@@ -140,29 +140,29 @@ int test_compiler()
 		switch(GLM_COMPILER)
 		{
 		case GLM_COMPILER_INTEL12:
-			std::cout << "GLM_COMPILER_INTEL12" << std::endl;
+			std::printf("GLM_COMPILER_INTEL12\n");
 			break;
 		case GLM_COMPILER_INTEL12_1:
-			std::cout << "GLM_COMPILER_INTEL12_1" << std::endl;
+			std::printf("GLM_COMPILER_INTEL12_1\n");
 			break;
 		case GLM_COMPILER_INTEL13:
-			std::cout << "GLM_COMPILER_INTEL13" << std::endl;
+			std::printf("GLM_COMPILER_INTEL13\n");
 			break;
 		case GLM_COMPILER_INTEL14:
-			std::cout << "GLM_COMPILER_INTEL14" << std::endl;
+			std::printf("GLM_COMPILER_INTEL14\n");
 			break;
 		case GLM_COMPILER_INTEL15:
-			std::cout << "GLM_COMPILER_INTEL15" << std::endl;
+			std::printf("GLM_COMPILER_INTEL15\n");
 			break;
 		default:
-			std::cout << "Intel compiler version not detected" << std::endl;
+			std::printf("Intel compiler version not detected\n");
 			Error += 1;
 			break;
 		}
 	}
 	else
 	{
-		std::cout << "Undetected compiler" << std::endl;
+		std::printf("Undetected compiler\n");
 		Error += 1;
 	}
 	
@@ -176,9 +176,9 @@ int test_model()
 	Error += ((sizeof(void*) == 4) && (GLM_MODEL == GLM_MODEL_32)) || ((sizeof(void*) == 8) && (GLM_MODEL == GLM_MODEL_64)) ? 0 : 1;
 	
 	if(GLM_MODEL == GLM_MODEL_32)
-		std::cout << "GLM_MODEL_32" << std::endl;
+		std::printf("GLM_MODEL_32\n");
 	else if(GLM_MODEL == GLM_MODEL_64)
-		std::cout << "GLM_MODEL_64" << std::endl;
+		std::printf("GLM_MODEL_64\n");
 	
 	return Error;
 }
@@ -187,29 +187,29 @@ int test_instruction_set()
 {
 	int Error = 0;
 
-	std::cout << "GLM_ARCH: ";
+	std::printf("GLM_ARCH: ");
 
 	if(GLM_ARCH == GLM_ARCH_PURE)
-		std::cout << "GLM_ARCH_PURE ";
+		std::printf("GLM_ARCH_PURE ");
 	if(GLM_ARCH & GLM_ARCH_AVX2)
-		std::cout << "GLM_ARCH_AVX2 ";
+		std::printf("GLM_ARCH_AVX2 ");
 	if(GLM_ARCH & GLM_ARCH_AVX)
-		std::cout << "GLM_ARCH_AVX ";
+		std::printf("GLM_ARCH_AVX ");
 	if(GLM_ARCH & GLM_ARCH_AVX)
-		std::cout << "GLM_ARCH_SSE4 ";
+		std::printf("GLM_ARCH_SSE4 ");
 	if(GLM_ARCH & GLM_ARCH_SSE3)
-		std::cout << "GLM_ARCH_SSE3 ";
+		std::printf("GLM_ARCH_SSE3 ");
 	if(GLM_ARCH & GLM_ARCH_SSE2)
-		std::cout << "GLM_ARCH_SSE2 ";
+		std::printf("GLM_ARCH_SSE2 ");
 
-	std::cout << std::endl;
+	std::printf("\n");
 
 	return Error;
 }
 
 int test_cpp_version()
 {
-	std::cout << "__cplusplus: " << __cplusplus << std::endl;
+	std::printf("__cplusplus: %d\n", __cplusplus);
 	
 	return 0;
 }
diff --git a/test/gtc/gtc_noise.cpp b/test/gtc/gtc_noise.cpp
index c46fb967..dee176b9 100644
--- a/test/gtc/gtc_noise.cpp
+++ b/test/gtc/gtc_noise.cpp
@@ -10,7 +10,6 @@
 #include <glm/gtc/noise.hpp>
 #include <gli/gli.hpp>
 #include <gli/gtx/loader.hpp>
-#include <iostream>
 
 int test_simplex()
 {
diff --git a/test/gtc/gtc_random.cpp b/test/gtc/gtc_random.cpp
index 5e2333ec..7429554f 100644
--- a/test/gtc/gtc_random.cpp
+++ b/test/gtc/gtc_random.cpp
@@ -9,7 +9,6 @@
 
 #include <glm/gtc/random.hpp>
 #include <glm/gtc/epsilon.hpp>
-#include <iostream>
 #if(GLM_LANG & GLM_LANG_CXX0X_FLAG)
 #	include <array>
 #endif
diff --git a/test/gtc/gtc_ulp.cpp b/test/gtc/gtc_ulp.cpp
index 3da9f082..7c73175d 100644
--- a/test/gtc/gtc_ulp.cpp
+++ b/test/gtc/gtc_ulp.cpp
@@ -8,7 +8,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 #include <glm/gtc/ulp.hpp>
-#include <iostream>
 #include <limits>
 
 int test_ulp_float_dist()
diff --git a/test/gtx/gtx_dual_quaternion.cpp b/test/gtx/gtx_dual_quaternion.cpp
index a9ade442..38d72360 100644
--- a/test/gtx/gtx_dual_quaternion.cpp
+++ b/test/gtx/gtx_dual_quaternion.cpp
@@ -12,8 +12,7 @@
 #include <glm/gtc/epsilon.hpp>
 #include <glm/gtx/euler_angles.hpp>
 #include <glm/vector_relational.hpp>
-
-#include <iostream>
+#include <type_traits>
 
 int myrand()
 {
diff --git a/test/gtx/gtx_euler_angle.cpp b/test/gtx/gtx_euler_angle.cpp
index d278c0e5..330f6863 100644
--- a/test/gtx/gtx_euler_angle.cpp
+++ b/test/gtx/gtx_euler_angle.cpp
@@ -13,7 +13,7 @@
 #include <glm/gtc/epsilon.hpp>
 #include <glm/gtx/string_cast.hpp>
 #include <glm/gtx/euler_angles.hpp>
-#include <iostream>
+#include <cstdio>
 
 namespace test_eulerAngleX
 {
@@ -302,17 +302,17 @@ namespace test_eulerAngleYXZ
 
 		glm::fmat4 rotationInvertedY  = glm::eulerAngleY(-1.f*first) * glm::eulerAngleX(second) * glm::eulerAngleZ(third); 
 		glm::fmat4 rotationDumb = glm::fmat4(); 
-		rotationDumb = glm::rotate(rotationDumb, first, glm::fvec3(0,1,0)); 
-		rotationDumb = glm::rotate(rotationDumb, second, glm::fvec3(1,0,0)); 
-		rotationDumb = glm::rotate(rotationDumb, third, glm::fvec3(0,0,1)); 
+		rotationDumb = glm::rotate(rotationDumb, first, glm::fvec3(0,1,0));
+		rotationDumb = glm::rotate(rotationDumb, second, glm::fvec3(1,0,0));
+		rotationDumb = glm::rotate(rotationDumb, third, glm::fvec3(0,0,1));
 
-		std::cout << glm::to_string(glm::fmat3(rotationEuler)) << std::endl; 
-		std::cout << glm::to_string(glm::fmat3(rotationDumb)) << std::endl; 
-		std::cout << glm::to_string(glm::fmat3(rotationInvertedY )) << std::endl; 
+		std::printf("%s\n", glm::to_string(glm::fmat3(rotationEuler)).c_str());
+		std::printf("%s\n", glm::to_string(glm::fmat3(rotationDumb)).c_str());
+		std::printf("%s\n", glm::to_string(glm::fmat3(rotationInvertedY)).c_str());
 
-		std::cout <<"\nRESIDUAL\n"; 
-		std::cout << glm::to_string(glm::fmat3(rotationEuler-(rotationDumb))) << std::endl; 
-		std::cout << glm::to_string(glm::fmat3(rotationEuler-(rotationInvertedY ))) << std::endl;
+		std::printf("\nRESIDUAL\n");
+		std::printf("%s\n", glm::to_string(glm::fmat3(rotationEuler-(rotationDumb))).c_str());
+		std::printf("%s\n", glm::to_string(glm::fmat3(rotationEuler-(rotationInvertedY))).c_str());
 
 		return 0;
 	}
diff --git a/test/gtx/gtx_simd_mat4.cpp b/test/gtx/gtx_simd_mat4.cpp
index d7a64638..615b69f2 100644
--- a/test/gtx/gtx_simd_mat4.cpp
+++ b/test/gtx/gtx_simd_mat4.cpp
@@ -13,7 +13,6 @@
 #include <glm/gtc/random.hpp>
 #include <glm/gtx/simd_vec4.hpp>
 #include <glm/gtx/simd_mat4.hpp>
-#include <iostream>
 #include <cstdio>
 #include <ctime>
 #include <vector>
diff --git a/test/gtx/gtx_string_cast.cpp b/test/gtx/gtx_string_cast.cpp
index e508a949..2d796b22 100644
--- a/test/gtx/gtx_string_cast.cpp
+++ b/test/gtx/gtx_string_cast.cpp
@@ -9,7 +9,6 @@
 
 #include <glm/glm.hpp>
 #include <glm/gtx/string_cast.hpp>
-#include <iostream>
 #include <limits>
 
 int test_string_cast_vector()
@@ -132,8 +131,6 @@ int main()
 	Error += test_string_cast_vector();
 	Error += test_string_cast_matrix();
 
-	printf("GNI");
-
 	return Error;
 }
 
diff --git a/test/gtx/gtx_vector_angle.cpp b/test/gtx/gtx_vector_angle.cpp
index cc9a3323..94d38880 100644
--- a/test/gtx/gtx_vector_angle.cpp
+++ b/test/gtx/gtx_vector_angle.cpp
@@ -9,7 +9,6 @@
 
 #include <glm/gtc/constants.hpp>
 #include <glm/gtx/vector_angle.hpp>
-#include <iostream>
 #include <limits>
 
 int test_angle()