diff --git a/src/Makefile.am b/src/Makefile.am
index 6877cbe71f45d3efc5b77c72b70d8d0722bf3e13..3c2946dd889fee325820d9c4546abb3b511fb42d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -65,11 +65,13 @@ AM_SOURCES = space.c runner.c queue.c task.c cell.c engine.c \
 nobase_noinst_HEADERS = align.h approx_math.h atomic.h barrier.h cycle.h error.h inline.h kernel_hydro.h kernel_gravity.h \
 		 kernel_long_gravity.h vector.h cache.h runner_doiact.h runner_doiact_vec.h runner_doiact_grav.h runner_doiact_fft.h \
                  runner_doiact_nosort.h units.h intrinsics.h minmax.h kick.h timestep.h drift.h adiabatic_index.h io_properties.h \
-		 dimension.h equation_of_state.h part_type.h periodic.h memswap.h dump.h logger.h \
+		 dimension.h part_type.h periodic.h memswap.h dump.h logger.h \
 		 gravity.h gravity_io.h gravity_cache.h \
 		 gravity/Default/gravity.h gravity/Default/gravity_iact.h gravity/Default/gravity_io.h \
 		 gravity/Default/gravity_debug.h gravity/Default/gravity_part.h  \
 		 sourceterms.h \
+		 equation_of_state.h \
+		 equation_of_state/ideal_gas/equation_of_state.h equation_of_state/isothermal/equation_of_state.h
 	 	 hydro.h hydro_io.h \
 		 hydro/Minimal/hydro.h hydro/Minimal/hydro_iact.h hydro/Minimal/hydro_io.h \
                  hydro/Minimal/hydro_debug.h hydro/Minimal/hydro_part.h \
diff --git a/src/equation_of_state.c b/src/equation_of_state.c
index 67557d604ae74d24a19b8049cfdf86bd5cc238ad..0953ee7114314f3baf6e86a14a6ddb0e98442dd9 100644
--- a/src/equation_of_state.c
+++ b/src/equation_of_state.c
@@ -23,4 +23,3 @@
 /* Equation of state for the physics model
  * (temporary ugly solution as a global variable) */
 struct eos_parameters eos;
-
diff --git a/src/equation_of_state.h b/src/equation_of_state.h
index c678a90e3ffa5e29d964b00303cadbb8554778df..195b52514f2acc0c40959e09c088a06f0a411869 100644
--- a/src/equation_of_state.h
+++ b/src/equation_of_state.h
@@ -19,6 +19,13 @@
 #ifndef SWIFT_EQUATION_OF_STATE_H
 #define SWIFT_EQUATION_OF_STATE_H
 
+/**
+ * @file equation_of_state.h
+ * @brief Defines the equation of state of the gas we simulate in the form of
+ * relations between thermodynamic quantities. These are later used internally
+ * by all hydro schemes
+ */
+
 /* Config parameters. */
 #include "../config.h"
 
diff --git a/src/equation_of_state/ideal_gas/equation_of_state.h b/src/equation_of_state/ideal_gas/equation_of_state.h
index e668f65580c50191cf53dac567e60019b11b7066..42314e0fd87cb5ee2b81bc8cf29029ab4951c869 100644
--- a/src/equation_of_state/ideal_gas/equation_of_state.h
+++ b/src/equation_of_state/ideal_gas/equation_of_state.h
@@ -19,16 +19,6 @@
 #ifndef SWIFT_IDEAL_GAS_EQUATION_OF_STATE_H
 #define SWIFT_IDEAL_GAS_EQUATION_OF_STATE_H
 
-/**
- * @file equation_of_state.h
- * @brief Defines the equation of state of the gas we simulate in the form of
- * relations between thermodynamic quantities. These are later used internally
- * by all hydro schemes
- */
-
-/* Config parameters. */
-#include "../config.h"
-
 /* Some standard headers. */
 #include <math.h>
 
@@ -110,8 +100,7 @@ __attribute__((always_inline)) INLINE static float gas_soundspeed_from_entropy(
  * @param u The internal energy \f$u\f$
  */
 __attribute__((always_inline)) INLINE static float
-gas_entropy_from_internal_energy(
-    float density, float u) {
+gas_entropy_from_internal_energy(float density, float u) {
 
   return hydro_gamma_minus_one * u * pow_minus_gamma_minus_one(density);
 }
@@ -125,8 +114,7 @@ gas_entropy_from_internal_energy(
  * @param u The internal energy \f$u\f$
  */
 __attribute__((always_inline)) INLINE static float
-gas_pressure_from_internal_energy(
-    float density, float u) {
+gas_pressure_from_internal_energy(float density, float u) {
 
   return hydro_gamma_minus_one * u * density;
 }
@@ -141,8 +129,7 @@ gas_pressure_from_internal_energy(
  * @return The internal energy \f$u\f$.
  */
 __attribute__((always_inline)) INLINE static float
-gas_internal_energy_from_pressure(
-    float density, float pressure) {
+gas_internal_energy_from_pressure(float density, float pressure) {
   return hydro_one_over_gamma_minus_one * pressure / density;
 }
 
@@ -155,8 +142,7 @@ gas_internal_energy_from_pressure(
  * @param u The internal energy \f$u\f$
  */
 __attribute__((always_inline)) INLINE static float
-gas_soundspeed_from_internal_energy(
-    float density, float u) {
+gas_soundspeed_from_internal_energy(float density, float u) {
 
   return sqrtf(u * hydro_gamma * hydro_gamma_minus_one);
 }
@@ -198,7 +184,6 @@ __attribute__((always_inline)) INLINE static void eos_print(
   message("Adiabatic index gamma: %f.", hydro_gamma);
 }
 
-
 #if defined(HAVE_HDF5)
 /**
  * @brief Write equation of state information to the snapshot
@@ -207,7 +192,7 @@ __attribute__((always_inline)) INLINE static void eos_print(
  * @param e The #eos_parameters
  */
 __attribute__((always_inline)) INLINE static void eos_print_snapshot(
-    hid_t h_grpsph, const struct eos_parameters *e ) {
+    hid_t h_grpsph, const struct eos_parameters *e) {
 
   io_write_attribute_f(h_grpsph, "Adiabatic index", hydro_gamma);
 
diff --git a/src/equation_of_state/isothermal/equation_of_state.h b/src/equation_of_state/isothermal/equation_of_state.h
index ccd1450e3e5b29d53d787762114343f633050753..71890b4df656cb5f44d3cb0fbb3bd6005bd6ab6a 100644
--- a/src/equation_of_state/isothermal/equation_of_state.h
+++ b/src/equation_of_state/isothermal/equation_of_state.h
@@ -19,16 +19,6 @@
 #ifndef SWIFT_ISOTHERMAL_EQUATION_OF_STATE_H
 #define SWIFT_ISOTHERMAL_EQUATION_OF_STATE_H
 
-/**
- * @file equation_of_state.h
- * @brief Defines the equation of state of the gas we simulate in the form of
- * relations between thermodynamic quantities. These are later used internally
- * by all hydro schemes
- */
-
-/* Config parameters. */
-#include "../config.h"
-
 /* Some standard headers. */
 #include <math.h>
 
@@ -92,7 +82,7 @@ __attribute__((always_inline)) INLINE static float gas_entropy_from_pressure(
     float density, float pressure) {
 
   return hydro_gamma_minus_one * eos.isothermal_internal_energy *
-    pow_minus_gamma_minus_one(density);
+         pow_minus_gamma_minus_one(density);
 }
 
 /**
@@ -122,11 +112,10 @@ __attribute__((always_inline)) INLINE static float gas_soundspeed_from_entropy(
  * @param u The internal energy \f$u\f$
  */
 __attribute__((always_inline)) INLINE static float
-gas_entropy_from_internal_energy(
-    float density, float u) {
+gas_entropy_from_internal_energy(float density, float u) {
 
   return hydro_gamma_minus_one * eos.isothermal_internal_energy *
-    pow_minus_gamma_minus_one(density);
+         pow_minus_gamma_minus_one(density);
 }
 
 /**
@@ -139,8 +128,7 @@ gas_entropy_from_internal_energy(
  * @param u The internal energy \f$u\f$
  */
 __attribute__((always_inline)) INLINE static float
-gas_pressure_from_internal_energy(
-    float density, float u) {
+gas_pressure_from_internal_energy(float density, float u) {
 
   return hydro_gamma_minus_one * eos.isothermal_internal_energy * density;
 }
@@ -155,8 +143,7 @@ gas_pressure_from_internal_energy(
  * @return The internal energy \f$u\f$ (which is constant).
  */
 __attribute__((always_inline)) INLINE static float
-gas_internal_energy_from_pressure(
-    float density, float pressure) {
+gas_internal_energy_from_pressure(float density, float pressure) {
   return eos.isothermal_internal_energy;
 }
 
@@ -171,8 +158,7 @@ gas_internal_energy_from_pressure(
  * @param u The internal energy \f$u\f$
  */
 __attribute__((always_inline)) INLINE static float
-gas_soundspeed_from_internal_energy(
-    float density, float u) {
+gas_soundspeed_from_internal_energy(float density, float u) {
 
   return sqrtf(eos.isothermal_internal_energy * hydro_gamma *
                hydro_gamma_minus_one);
@@ -207,7 +193,7 @@ __attribute__((always_inline)) INLINE static void eos_init(
     struct eos_parameters *e, const struct swift_params *params) {
 
   e->isothermal_internal_energy =
-    parser_get_param_float(params, "EoS:isothermal_internal_energy");
+      parser_get_param_float(params, "EoS:isothermal_internal_energy");
 }
 
 /**
@@ -219,9 +205,9 @@ __attribute__((always_inline)) INLINE static void eos_print(
     const struct eos_parameters *e) {
 
   message(
-	  "Equation of state: Isothermal with internal energy "
-	  "per unit mass set to %f.",
-	  e->isothermal_internal_energy);
+      "Equation of state: Isothermal with internal energy "
+      "per unit mass set to %f.",
+      e->isothermal_internal_energy);
 
   message("Adiabatic index gamma: %f.", hydro_gamma);
 }