diff --git a/Makefile.am b/Makefile.am
index 6370d95..163fcd0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -19,7 +19,6 @@ src_sharp = \
   libsharp/sharp_internal.h \
   libsharp/sharp_legendre_roots.h \
   libsharp/sharp_vecsupport.h \
-  libsharp/sharp_vecutil.h \
   libsharp/sharp_ylmgen_c.h
 
 include_HEADERS = \
diff --git a/libsharp/sharp_complex_hacks.h b/libsharp/sharp_complex_hacks.h
index 6ec27bb..d50eabe 100644
--- a/libsharp/sharp_complex_hacks.h
+++ b/libsharp/sharp_complex_hacks.h
@@ -39,13 +39,6 @@
 
 #if (VLEN==1)
 
-static inline _Complex double vhsum_cmplx(Tv a, Tv b)
-  { return a+_Complex_I*b; }
-
-static inline void vhsum_cmplx2 (Tv a, Tv b, Tv c, Tv d,
-  _Complex double * restrict c1, _Complex double * restrict c2)
-  { *c1 += a+_Complex_I*b; *c2 += c+_Complex_I*d; }
-
 static inline void vhsum_cmplx_special (Tv a, Tv b, Tv c, Tv d,
   _Complex double * restrict cc)
   { cc[0] += a+_Complex_I*b; cc[1] += c+_Complex_I*d; }
@@ -54,18 +47,6 @@ static inline void vhsum_cmplx_special (Tv a, Tv b, Tv c, Tv d,
 
 #if (VLEN==2)
 
-static inline _Complex double vhsum_cmplx (Tv a, Tv b)
-  {
-#if defined(__SSE3__)
-  Tv tmp = _mm_hadd_pd(a,b);
-#else
-  Tv tmp = _mm_shuffle_pd(a,b,_MM_SHUFFLE2(0,1)) +
-           _mm_shuffle_pd(a,b,_MM_SHUFFLE2(1,0));
-#endif
-  union {Tv v; _Complex double c; } u;
-  u.v=tmp; return u.c;
-  }
-
 static inline void vhsum_cmplx2 (Tv a, Tv b, Tv c,
   Tv d, _Complex double * restrict c1, _Complex double * restrict c2)
   {
@@ -101,38 +82,6 @@ static inline void vhsum_cmplx_special (Tv a, Tv b, Tv c, Tv d,
 
 #if (VLEN==4)
 
-static inline _Complex double vhsum_cmplx (Tv a, Tv b)
-  {
-  Tv tmp=_mm256_hadd_pd(a,b);
-  Tv tmp2=_mm256_permute2f128_pd(tmp,tmp,1);
-  tmp=_mm256_add_pd(tmp,tmp2);
-#ifdef UNSAFE_CODE
-  _Complex double ret;
-  *((__m128d *)&ret)=_mm256_extractf128_pd(tmp, 0);
-  return ret;
-#else
-  union {Tv v; _Complex double c[2]; } u;
-  u.v=tmp; return u.c[0];
-#endif
-  }
-
-static inline void vhsum_cmplx2 (Tv a, Tv b, Tv c, Tv d,
-  _Complex double * restrict c1, _Complex double * restrict c2)
-  {
-  Tv tmp1=_mm256_hadd_pd(a,b), tmp2=_mm256_hadd_pd(c,d);
-  Tv tmp3=_mm256_permute2f128_pd(tmp1,tmp2,49),
-     tmp4=_mm256_permute2f128_pd(tmp1,tmp2,32);
-  tmp1=tmp3+tmp4;
-#ifdef UNSAFE_CODE
-  *((__m128d *)c1)=_mm_add_pd(*((__m128d *)c1),_mm256_extractf128_pd(tmp1, 0));
-  *((__m128d *)c2)=_mm_add_pd(*((__m128d *)c2),_mm256_extractf128_pd(tmp1, 1));
-#else
-  union {Tv v; _Complex double c[2]; } u;
-  u.v=tmp1;
-  *c1+=u.c[0]; *c2+=u.c[1];
-#endif
-  }
-
 static inline void vhsum_cmplx_special (Tv a, Tv b, Tv c, Tv d,
   _Complex double * restrict cc)
   {
@@ -154,16 +103,6 @@ static inline void vhsum_cmplx_special (Tv a, Tv b, Tv c, Tv d,
 
 #if (VLEN==8)
 
-static inline _Complex double vhsum_cmplx(Tv a, Tv b)
-  { return _mm512_reduce_add_pd(a)+_Complex_I*_mm512_reduce_add_pd(b); }
-
-static inline void vhsum_cmplx2 (Tv a, Tv b, Tv c, Tv d,
-  _Complex double * restrict c1, _Complex double * restrict c2)
-  {
-  *c1 += _mm512_reduce_add_pd(a)+_Complex_I*_mm512_reduce_add_pd(b);
-  *c2 += _mm512_reduce_add_pd(c)+_Complex_I*_mm512_reduce_add_pd(d);
-  }
-
 static inline void vhsum_cmplx_special (Tv a, Tv b, Tv c, Tv d,
   _Complex double * restrict cc)
   { vhsum_cmplx2(a,b,c,d,cc,cc+1); }
diff --git a/libsharp/sharp_vecsupport.h b/libsharp/sharp_vecsupport.h
index ee09adf..b70143d 100644
--- a/libsharp/sharp_vecsupport.h
+++ b/libsharp/sharp_vecsupport.h
@@ -33,7 +33,20 @@
 #define SHARP_VECSUPPORT_H
 
 #include <math.h>
-#include "sharp_vecutil.h"
+
+#ifndef VLEN
+
+#if (defined(__AVX512F__))
+#define VLEN 8
+#elif (defined (__AVX__))
+#define VLEN 4
+#elif (defined (__SSE2__))
+#define VLEN 2
+#else
+#define VLEN 1
+#endif
+
+#endif
 
 typedef double Ts;
 
diff --git a/libsharp/sharp_vecutil.h b/libsharp/sharp_vecutil.h
deleted file mode 100644
index 29485f7..0000000
--- a/libsharp/sharp_vecutil.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *  This file is part of libc_utils.
- *
- *  libc_utils is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  libc_utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with libc_utils; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-/*
- *  libc_utils is being developed at the Max-Planck-Institut fuer Astrophysik
- *  and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
- *  (DLR).
- */
-
-/*! \file sharp_vecutil.h
- *  Functionality related to vector instruction support
- *
- *  Copyright (C) 2012-2018 Max-Planck-Society
- *  \author Martin Reinecke
- */
-
-#ifndef SHARP_VECUTIL_H
-#define SHARP_VECUTIL_H
-
-#ifndef VLEN
-
-#if (defined(__AVX512F__))
-#define VLEN 8
-#elif (defined (__AVX__))
-#define VLEN 4
-#elif (defined (__SSE2__))
-#define VLEN 2
-#else
-#define VLEN 1
-#endif
-
-#endif
-
-#endif
diff --git a/libsharp/sharp_ylmgen_c.h b/libsharp/sharp_ylmgen_c.h
index b1d9cbc..cc9260f 100644
--- a/libsharp/sharp_ylmgen_c.h
+++ b/libsharp/sharp_ylmgen_c.h
@@ -42,7 +42,6 @@ static const double sharp_ftol=0x1p-60;
 static const double sharp_fbighalf=0x1p+400;
 
 typedef struct { double f[2]; } sharp_ylmgen_dbl2;
-typedef struct { double f[3]; } sharp_ylmgen_dbl3;
 
 typedef struct
   {