diff --git a/apps/plugins/doom/rockdoom.c b/apps/plugins/doom/rockdoom.c
index a9bf7afec6..c65cdc9cac 100644
--- a/apps/plugins/doom/rockdoom.c
+++ b/apps/plugins/doom/rockdoom.c
@@ -784,7 +784,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
    rb = api;
    (void)parameter;
 
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
    rb->cpu_boost(true);
 #endif
 
@@ -853,7 +853,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
 
    rb->splash(HZ, true, "Bye");
 
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
    rb->cpu_boost(false);
 #endif
 
diff --git a/apps/plugins/fire.c b/apps/plugins/fire.c
index ac50196e5a..e0663622e3 100644
--- a/apps/plugins/fire.c
+++ b/apps/plugins/fire.c
@@ -299,7 +299,7 @@ void cleanup(void *parameter)
 {
     (void)parameter;
 
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
     rb->cpu_boost(false);
 #endif
 #ifndef HAVE_LCD_COLOR
@@ -338,7 +338,7 @@ int main(void)
     }
 #endif
 
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
     rb->cpu_boost(true);
 #endif
 #ifndef HAVE_LCD_COLOR
diff --git a/apps/plugins/grayscale.c b/apps/plugins/grayscale.c
index 809ace6978..182c081446 100644
--- a/apps/plugins/grayscale.c
+++ b/apps/plugins/grayscale.c
@@ -190,7 +190,7 @@ int main(void)
     rb->lcd_puts(0, 0, pbuf);
     rb->lcd_update();
 
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
     rb->cpu_boost(true);
 #endif
     gray_show(true);          /* switch on greyscale overlay */
@@ -252,7 +252,7 @@ int main(void)
                  time / 100, time % 100);
     rb->lcd_puts(0, 0, pbuf);
     gray_deferred_lcd_update();       /* schedule an lcd_update() */
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
     rb->cpu_boost(false);
 #endif
 
diff --git a/apps/plugins/jpeg.c b/apps/plugins/jpeg.c
index 51999f42ab..24eae53440 100644
--- a/apps/plugins/jpeg.c
+++ b/apps/plugins/jpeg.c
@@ -2453,7 +2453,7 @@ struct t_disp* get_image(struct jpeg* p_jpg, int ds)
 
     /* the actual decoding */
     time = *rb->current_tick;
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
     rb->cpu_boost(true);
     status = jpeg_decode(p_jpg, p_disp->bitmap, ds, cb_progess);
     rb->cpu_boost(false);
diff --git a/apps/plugins/mandelbrot.c b/apps/plugins/mandelbrot.c
index 9b6c82a00b..ac33e906de 100644
--- a/apps/plugins/mandelbrot.c
+++ b/apps/plugins/mandelbrot.c
@@ -491,7 +491,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
     /* main loop */
     while (true) {
         if (redraw > REDRAW_NONE) {
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
             rb->cpu_boost(true);
 #endif
             if (redraw == REDRAW_FULL) {
@@ -504,7 +504,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
             else
                 calc_mandelbrot_low_prec();
 
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
             rb->cpu_boost(false);
 #endif
             px_min = 0;
diff --git a/apps/plugins/rockboy/emu.c b/apps/plugins/rockboy/emu.c
index 31346af8b0..b398bf497e 100644
--- a/apps/plugins/rockboy/emu.c
+++ b/apps/plugins/rockboy/emu.c
@@ -71,7 +71,7 @@ void emu_run(void)
 
 	vid_begin();
 	lcd_begin();
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
 	rb->cpu_boost(true);
 #endif
 	while(!shut)
@@ -123,7 +123,7 @@ void emu_run(void)
 
 	}
 
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
     rb->cpu_boost(false);
 #endif
 }