diff --git a/glm/core/_literals.hpp b/glm/core/_literals.hpp
index 6b6a2bfe..ea125dcc 100644
--- a/glm/core/_literals.hpp
+++ b/glm/core/_literals.hpp
@@ -33,7 +33,7 @@ namespace glm
 {
 #define GLM_CXX11_USER_LITERALS
 #ifdef GLM_CXX11_USER_LITERALS
-
+/*
 	GLM_FUNC_QUALIFIER detail::half operator "" _h(long double const s)
 	{
 		return detail::half(s);
@@ -43,7 +43,7 @@ namespace glm
 	{
 		return static_cast<float>(s);
 	}
-
+*/
 #endif//GLM_CXX11_USER_LITERALS
 
 }//namespace glm
diff --git a/glm/core/dummy.cpp b/glm/core/dummy.cpp
index fd228c8c..9e5e4a10 100644
--- a/glm/core/dummy.cpp
+++ b/glm/core/dummy.cpp
@@ -40,5 +40,5 @@ int main()
 {
 	//auto d = 90.0_deg;
 
-	glm::vec3 v{0, 1, 2};
+	//glm::vec3 v{0, 1, 2};
 }
diff --git a/test/core/core_type_vec2.cpp b/test/core/core_type_vec2.cpp
index 34abeba8..6f2b2560 100644
--- a/test/core/core_type_vec2.cpp
+++ b/test/core/core_type_vec2.cpp
@@ -169,7 +169,8 @@ int test_vec2_operators()
 	{
 		glm::vec2 A(1.0f, 2.0f);
 		glm::vec2 B = A--;
-		Error += B == glm::vec2(0.0f, 1.0f) ? 0 : 1;
+		Error += B == glm::vec2(1.0f, 2.0f) ? 0 : 1;
+		Error += A == glm::vec2(0.0f, 1.0f) ? 0 : 1;
 	}
 	
 	{
@@ -181,7 +182,8 @@ int test_vec2_operators()
 	{
 		glm::vec2 A(1.0f, 2.0f);
 		glm::vec2 B = A++;
-		Error += B == glm::vec2(2.0f, 3.0f) ? 0 : 1;
+		Error += B == glm::vec2(1.0f, 2.0f) ? 0 : 1;
+		Error += A == glm::vec2(2.0f, 3.0f) ? 0 : 1;
 	}
 	
 	return Error;
diff --git a/test/core/core_type_vec3.cpp b/test/core/core_type_vec3.cpp
index b6d6cba9..e60c3b18 100644
--- a/test/core/core_type_vec3.cpp
+++ b/test/core/core_type_vec3.cpp
@@ -148,7 +148,8 @@ int test_vec3_operators()
 	{
 		glm::vec3 A(1.0f, 2.0f, 3.0f);
 		glm::vec3 B = A--;
-		Error += B == glm::vec3(0.0f, 1.0f, 2.0f) ? 0 : 1;
+		Error += B == glm::vec3(1.0f, 2.0f, 3.0f) ? 0 : 1;
+		Error += A == glm::vec3(0.0f, 1.0f, 2.0f) ? 0 : 1;
 	}
 
 	{
@@ -160,7 +161,8 @@ int test_vec3_operators()
 	{
 		glm::vec3 A(1.0f, 2.0f, 3.0f);
 		glm::vec3 B = A++;
-		Error += B == glm::vec3(2.0f, 3.0f, 4.0f) ? 0 : 1;
+		Error += B == glm::vec3(1.0f, 2.0f, 3.0f) ? 0 : 1;
+		Error += A == glm::vec3(2.0f, 3.0f, 4.0f) ? 0 : 1;
 	}
 
 	return Error;
diff --git a/test/core/core_type_vec4.cpp b/test/core/core_type_vec4.cpp
index 7d6a87a2..8b13667a 100644
--- a/test/core/core_type_vec4.cpp
+++ b/test/core/core_type_vec4.cpp
@@ -182,7 +182,8 @@ int test_vec4_operators()
 	{
 		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
 		glm::vec4 B = A--;
-		Error += B == glm::vec4(0.0f, 1.0f, 2.0f, 3.0f) ? 0 : 1;
+		Error += B == glm::vec4(1.0f, 2.0f, 3.0f, 4.0f) ? 0 : 1;
+		Error += A == glm::vec4(0.0f, 1.0f, 2.0f, 3.0f) ? 0 : 1;
 	}
 
 	{
@@ -194,7 +195,8 @@ int test_vec4_operators()
 	{
 		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
 		glm::vec4 B = A++;
-		Error += B == glm::vec4(2.0f, 3.0f, 4.0f, 5.0f) ? 0 : 1;
+		Error += B == glm::vec4(1.0f, 2.0f, 3.0f, 4.0f) ? 0 : 1;
+		Error += A == glm::vec4(2.0f, 3.0f, 4.0f, 5.0f) ? 0 : 1;
 	}
 
 	return Error;