diff --git a/examples/heightmap.c b/examples/heightmap.c
index 5ae50bfd..c39e6b80 100644
--- a/examples/heightmap.c
+++ b/examples/heightmap.c
@@ -644,7 +644,7 @@ int main(int argc, char** argv)
     /* main loop */
     frame = 0;
     iter = 0;
-    dt = last_update_time = glfwGetTime();
+    last_update_time = glfwGetTime();
 
     while (!glfwWindowShouldClose(window))
     {
diff --git a/tests/glfwinfo.c b/tests/glfwinfo.c
index ed7b9df6..fc312dee 100644
--- a/tests/glfwinfo.c
+++ b/tests/glfwinfo.c
@@ -253,9 +253,6 @@ int main(int argc, char** argv)
         }
     }
 
-    argc -= optind;
-    argv += optind;
-
     // Initialize GLFW and create window
 
     if (!valid_version())
diff --git a/tests/modes.c b/tests/modes.c
index 37e9a675..76353685 100644
--- a/tests/modes.c
+++ b/tests/modes.c
@@ -218,9 +218,6 @@ int main(int argc, char** argv)
         }
     }
 
-    argc -= optind;
-    argv += optind;
-
     glfwSetErrorCallback(error_callback);
 
     if (!glfwInit())