diff --git a/firmware/controllers/algo/airmass/maf_airmass.cpp b/firmware/controllers/algo/airmass/maf_airmass.cpp
index c3cd03119e..f71380de82 100644
--- a/firmware/controllers/algo/airmass/maf_airmass.cpp
+++ b/firmware/controllers/algo/airmass/maf_airmass.cpp
@@ -1,7 +1,4 @@
-
-#include "engine_configuration.h"
-#include "sensor.h"
-#include "error_handling.h"
+#include "pch.h"
 
 #include "maf_airmass.h"
 #include "maf.h"
diff --git a/firmware/controllers/algo/fuel/injector_model.cpp b/firmware/controllers/algo/fuel/injector_model.cpp
index 847bbeec05..7fe160771b 100644
--- a/firmware/controllers/algo/fuel/injector_model.cpp
+++ b/firmware/controllers/algo/fuel/injector_model.cpp
@@ -1,10 +1,4 @@
-
-// here am flirting with not using pch.h and not including at least Engine
-#include <rusefi/interpolation.h>
-#include <rusefi/arrays.h>
-#include "engine_configuration.h"
-#include "sensor.h"
-#include "error_handling.h"
+#include "pch.h"
 
 #include "injector_model.h"
 #include "fuel_computer.h"
diff --git a/firmware/controllers/math/speed_density.cpp b/firmware/controllers/math/speed_density.cpp
index eeb688ab57..f33c224df2 100644
--- a/firmware/controllers/math/speed_density.cpp
+++ b/firmware/controllers/math/speed_density.cpp
@@ -7,16 +7,7 @@
  * @author Andrey Belomutskiy, (c) 2012-2020
  */
 
-#include <rusefi/interpolation.h>
-#include "engine_configuration.h"
-#include "error_handling.h"
-#include "fuel_computer.h"
-#include "speed_density.h"
-#include "fuel_math.h"
-#include "sensor.h"
-#include "efi_interpolation.h"
-#include "table_helper.h"
-#include "engine_math.h"
+#include "pch.h"
 
 #if defined(HAS_OS_ACCESS)
 #error "Unexpected OS ACCESS HERE"