diff --git a/examples/12.TerrainRendering/main.cpp b/examples/12.TerrainRendering/main.cpp
index fc9d437c..f9bc97e6 100644
--- a/examples/12.TerrainRendering/main.cpp
+++ b/examples/12.TerrainRendering/main.cpp
@@ -213,6 +213,7 @@ int main()
 	terrain->getMeshBufferForLOD(*buffer, 0);
 	video::S3DVertex2TCoords* data = (video::S3DVertex2TCoords*)buffer->getVertexBuffer().getData();
 	// Work on data or get the IndexBuffer with a similar call.
+	(void)data; // disable unused variable warnings
 	buffer->drop(); // When done drop the buffer again.
 
 	/*
diff --git a/examples/16.Quake3MapShader/main.cpp b/examples/16.Quake3MapShader/main.cpp
index a30068c6..38062c5a 100644
--- a/examples/16.Quake3MapShader/main.cpp
+++ b/examples/16.Quake3MapShader/main.cpp
@@ -359,12 +359,12 @@ int IRRCALLCONV main(int argc, char* argv[])
 		int fps = driver->getFPS();
 		if (1 || lastFPS != fps)
 		{
-			io::IAttributes * const attr = smgr->getParameters();
 			core::stringw str = L"Q3 [";
 			str += driver->getName();
 			str += "] FPS:";
 			str += fps;
 #ifdef _IRR_SCENEMANAGER_DEBUG			
+			io::IAttributes * const attr = smgr->getParameters();
 			str += " Cull:";
 			str += attr->getAttributeAsInt("calls");
 			str += "/";
diff --git a/examples/25.XmlHandling/main.cpp b/examples/25.XmlHandling/main.cpp
index dba75207..d022e5c2 100644
--- a/examples/25.XmlHandling/main.cpp
+++ b/examples/25.XmlHandling/main.cpp
@@ -346,6 +346,8 @@ public:
 					}
 				}
 				break;
+				default:
+					break;
 			}
 		}