1 files changed, 1 insertions, 1 deletions
diff --git a/src/likelihood.h b/src/likelihood.h
index 945fc46..71f77f0 100644
--- a/src/likelihood.h
+++ b/src/likelihood.h
@@ -41,7 +41,7 @@ typedef struct particle {
     size_t n;
 } particle;
 
-particle *particle_init(int id, double T0, double rho, size_t n);
+particle *particle_init(int id, double T0, size_t n);
 double particle_get_energy(double x, particle *p);
 void particle_free(particle *p);
 double get_expected_charge(double x, double T, double T0, double *pos, double *dir, double *pmt_pos, double *pmt_normal, double r, int reflected);