diff --git a/src/Makefile.am b/src/Makefile.am
index a29cf5521f2b25cbcc91ef85e277d1340ee69dd5..717077caed9883da07815f8ab74d26224b5c0b3c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -77,8 +77,31 @@ nobase_noinst_HEADERS = align.h approx_math.h atomic.h cycle.h error.h inline.h
                  hydro/Gadget2/hydro_debug.h hydro/Gadget2/hydro_part.h \
 		 hydro/PressureEntropy/hydro.h hydro/PressureEntropy/hydro_iact.h hydro/PressureEntropy/hydro_io.h \
                  hydro/PressureEntropy/hydro_debug.h hydro/PressureEntropy/hydro_part.h \
-		 hydro/Gizmo/hydro.h hydro/Gizmo/hydro_iact.h hydro/Gizmo/hydro_io.h \
-                 hydro/Gizmo/hydro_debug.h hydro/Gizmo/hydro_part.h \
+		 hydro/Gizmo/hydro.h hydro/Gizmo/hydro_iact.h \
+                 hydro/Gizmo/hydro_io.h hydro/Gizmo/hydro_debug.h \
+                 hydro/Gizmo/hydro_part.h \
+                 hydro/Gizmo/hydro_gradients_gizmo.h \
+                 hydro/Gizmo/hydro_gradients.h \
+                 hydro/Gizmo/hydro_gradients_sph.h \
+                 hydro/Gizmo/hydro_slope_limiters_cell.h \
+                 hydro/Gizmo/hydro_slope_limiters_face.h \
+                 hydro/Gizmo/hydro_slope_limiters.h \
+                 hydro/Shadowswift/hydro_debug.h \
+                 hydro/Shadowswift/hydro_gradients.h hydro/Shadowswift/hydro.h \
+                 hydro/Shadowswift/hydro_iact.h \
+                 hydro/Shadowswift/hydro_io.h \
+                 hydro/Shadowswift/hydro_part.h \
+                 hydro/Shadowswift/hydro_slope_limiters_cell.h \
+                 hydro/Shadowswift/hydro_slope_limiters_face.h \
+                 hydro/Shadowswift/hydro_slope_limiters.h \
+                 hydro/Shadowswift/voronoi1d_algorithm.h \
+                 hydro/Shadowswift/voronoi1d_cell.h \
+                 hydro/Shadowswift/voronoi2d_algorithm.h \
+                 hydro/Shadowswift/voronoi2d_cell.h \
+                 hydro/Shadowswift/voronoi3d_algorithm.h \
+                 hydro/Shadowswift/voronoi3d_cell.h \
+                 hydro/Shadowswift/voronoi_algorithm.h \
+                 hydro/Shadowswift/voronoi_cell.h \
 	         riemann/riemann_hllc.h riemann/riemann_trrs.h \
 		 riemann/riemann_exact.h riemann/riemann_vacuum.h \
 	 	 stars.h stars_io.h \
diff --git a/src/riemann/riemann_exact.h b/src/riemann/riemann_exact.h
index 4a20561def8ac56889d4e2d836dd698e663e8d7e..4a7b40ae78c4c3f1a880539367172894fe298995 100644
--- a/src/riemann/riemann_exact.h
+++ b/src/riemann/riemann_exact.h
@@ -206,7 +206,6 @@ __attribute__((always_inline)) INLINE static float riemann_solve_brent(
   float fa, fb, fc, fs;
   float tmp, tmp2;
   int mflag;
-  int i;
 
   a = lower_limit;
   b = upper_limit;
@@ -243,7 +242,6 @@ __attribute__((always_inline)) INLINE static float riemann_solve_brent(
   c = a;
   fc = fa;
   mflag = 1;
-  i = 0;
 
   while (!(fb == 0.0f) && (fabs(a - b) > error_tol * 0.5f * (a + b))) {
     if ((fa != fc) && (fb != fc)) /* Inverse quadratic interpolation */
@@ -286,7 +284,6 @@ __attribute__((always_inline)) INLINE static float riemann_solve_brent(
       fa = fb;
       fb = tmp;
     }
-    i++;
   }
   return b;
 }