diff --git a/Makefile b/Makefile
index 125897b..6bee6a2 100644
--- a/Makefile
+++ b/Makefile
@@ -56,7 +56,7 @@ clean:
 
 tests:
 	make install
-	sudo /usr/sbin/mbpfan -f -v -t
+	/usr/sbin/mbpfan -f -v -t
 
 uninstall:
 	rm /usr/sbin/mbpfan
@@ -78,4 +78,4 @@ install:
 	@echo "   sudo make tests"
 	@echo ""
 rebuild: clean all
-#rebuild is not entirely correct
\ No newline at end of file
+#rebuild is not entirely correct
diff --git a/src/mbpfan.c b/src/mbpfan.c
index f2706db..705aa2d 100755
--- a/src/mbpfan.c
+++ b/src/mbpfan.c
@@ -504,8 +504,6 @@ void mbpfan()
         }
     }
 
-    sleep(polling_interval);
-
     step_up = (float)( max_fan_speed - min_fan_speed ) /
               (float)( ( max_temp - high_temp ) * ( max_temp - high_temp + 1 ) / 2 );