diff --git a/src/starformation.c b/src/starformation.c
index 0457e9fcfa20e495ab64710e6b76f3eecb99ff91..a11220ec096234fa5850d9359fda61fcf57c8f71 100644
--- a/src/starformation.c
+++ b/src/starformation.c
@@ -36,10 +36,10 @@
  */
 void starformation_init(struct swift_params* parameter_file,
                     const struct phys_const* phys_const,
-                    const struct unit_system* us, const struct space* s,
+                    const struct unit_system* us,
                     struct star_formation* starform) {
 
-  starformation_init_backend(parameter_file, phys_const, us, s, starform);
+  starformation_init_backend(parameter_file, phys_const, us, starform);
 }
 
 /**
diff --git a/src/starformation/none/starformation.h b/src/starformation/none/starformation.h
index f558a2bcc23d742f443486f41c62bc6f70aa0ecb..2edccc0798c2e9083faaad98533c35494eb12761 100644
--- a/src/starformation/none/starformation.h
+++ b/src/starformation/none/starformation.h
@@ -76,8 +76,7 @@ static void starformation_convert_to_gas(
  * */
 static void starformation_init_backend(
   struct swift_params* parameter_file, const struct phys_const* phys_const,
-  const struct unit_system* us, const struct space* s,
-  const struct star_formation* starform) {}
+  const struct unit_system* us, const struct star_formation* starform) {}
 
 /* @brief Prints the used parameters of the star formation law 
  *
diff --git a/src/starformation/schaye08/starformation.h b/src/starformation/schaye08/starformation.h
index d5c3a2fb7a27eb8cc87856809f4adbe8169fe309..0f7ae4c4145a092945b070f230c62f943be52e10 100644
--- a/src/starformation/schaye08/starformation.h
+++ b/src/starformation/schaye08/starformation.h
@@ -175,8 +175,7 @@ static void starformation_convert_to_gas(
  * */
 static void starformation_init_backend(
   struct swift_params* parameter_file, const struct phys_const* phys_const,
-  const struct unit_system* us, const struct space* s,
-  const struct star_formation* starform) {
+  const struct unit_system* us, const struct star_formation* starform) {
   
   /* Default values for the normalization and the power law */
   static const double normalization_default = 2.5e-4;