diff --git a/dda.h b/dda.h
index 9ea0620..fffabdf 100644
--- a/dda.h
+++ b/dda.h
@@ -203,10 +203,10 @@ void dda_new_startpoint(void);
 void dda_create(DDA *dda, TARGET *target);
 
 // start a created DDA (called from timer interrupt)
-void dda_start(DDA *dda)																						__attribute__ ((hot));
+void dda_start(DDA *dda);
 
 // DDA takes one step (called from timer interrupt)
-void dda_step(DDA *dda)																							__attribute__ ((hot));
+void dda_step(DDA *dda);
 
 // regular movement maintenance
 void dda_clock(void);
diff --git a/dda_queue.h b/dda_queue.h
index 752cff4..3f41ce0 100644
--- a/dda_queue.h
+++ b/dda_queue.h
@@ -37,7 +37,7 @@ inline void enqueue(TARGET *t) {
 }
 
 // called from step timer when current move is complete
-void next_move(void) __attribute__ ((hot));
+void next_move(void);
 
 // print queue status
 void print_queue(void);