diff --git a/pkgs/applications/science/physics/sherpa/default.nix b/pkgs/applications/science/physics/sherpa/default.nix
index cdbe19c53b33..340428e8e777 100644
--- a/pkgs/applications/science/physics/sherpa/default.nix
+++ b/pkgs/applications/science/physics/sherpa/default.nix
@@ -2,20 +2,17 @@
 
 stdenv.mkDerivation rec {
   name = "sherpa-${version}";
-  version = "2.2.4";
+  version = "2.2.5";
 
   src = fetchurl {
     url = "http://www.hepforge.org/archive/sherpa/SHERPA-MC-${version}.tar.gz";
-    sha256 = "1rw0ivx78zkbkl7nwil9i4fn8rvkifc3i20zrq3asbi4kb6brj2x";
+    sha256 = "0rv14j8gvjjr3darb0wcradlmsnyq915jz7v2yybrjzqfbsr3zb5";
   };
 
   buildInputs = [ gfortran sqlite lhapdf rivet ];
 
   enableParallelBuilding = true;
 
-  # LLVM 4 doesn't allow ambigous type in std::abs argument
-  patches = stdenv.lib.optional stdenv.cc.isClang [ ./explicit_overloads.patch ];
-
   configureFlags = [
     "--with-sqlite3=${sqlite.dev}"
     "--enable-hepmc2=${hepmc}"
diff --git a/pkgs/applications/science/physics/sherpa/explicit_overloads.patch b/pkgs/applications/science/physics/sherpa/explicit_overloads.patch
deleted file mode 100644
index 33e5a7632178..000000000000
--- a/pkgs/applications/science/physics/sherpa/explicit_overloads.patch
+++ /dev/null
@@ -1,119 +0,0 @@
-diff --git a/ATOOLS/Phys/Flavour.C b/ATOOLS/Phys/Flavour.C
-index 1986348..740eea3 100644
---- a/ATOOLS/Phys/Flavour.C
-+++ b/ATOOLS/Phys/Flavour.C
-@@ -298,8 +298,8 @@ std::string Flavour::IDName() const
- 
- bool Flavour::IsDiQuark() const 
- {
--  if(abs(Kfcode())>=1103&&abs(Kfcode())<=5505) {
--    double help=abs(Kfcode())/100.0-int(abs(Kfcode())/100.0); 
-+  if(abs((long)Kfcode())>=1103&&abs((long)Kfcode())<=5505) {
-+    double help=abs((long)Kfcode())/100.0-int(abs((long)Kfcode())/100.0); 
-     if(help<0.031) return true;
-   }
-   return false;
-@@ -307,27 +307,27 @@ bool Flavour::IsDiQuark() const
- 
- bool Flavour::IsBaryon() const 
- {
--  if (abs(Kfcode())%10000<1000) return false;
-+  if (abs((long)Kfcode())%10000<1000) return false;
-   return !IsDiQuark();
- }
- 
- bool Flavour::IsB_Hadron() const 
- {
--  if (abs(Kfcode())<100)                            return 0;
-+  if (abs((long)Kfcode())<100)                            return 0;
-   if (Kfcode()-100*int(Kfcode()/100)<10)                 return 0;
--  if (abs((Kfcode()-100*int(Kfcode()/100))/10)==5)       return 1;
--  if (abs((Kfcode()-1000*int(Kfcode()/1000))/100)==5)    return 1;
--  if (abs((Kfcode()-10000*int(Kfcode()/10000))/1000)==5) return 1;
-+  if (abs((long)(Kfcode()-100*int(Kfcode()/100))/10)==5)       return 1;
-+  if (abs((long)(Kfcode()-1000*int(Kfcode()/1000))/100)==5)    return 1;
-+  if (abs((long)(Kfcode()-10000*int(Kfcode()/10000))/1000)==5) return 1;
-   return 0;
- }
- 
- bool Flavour::IsC_Hadron() const 
- {
--  if (abs(Kfcode())<100)                            return 0;
-+  if (abs((long)Kfcode())<100)                            return 0;
-   if (Kfcode()-100*int(Kfcode()/100)<10)                 return 0;
--  if (abs((Kfcode()-100*int(Kfcode()/100))/10)==4)       return 1;
--  if (abs((Kfcode()-1000*int(Kfcode()/1000))/100)==4)    return 1;
--  if (abs((Kfcode()-10000*int(Kfcode()/10000))/1000)==4) return 1;
-+  if (abs((long)(Kfcode()-100*int(Kfcode()/100))/10)==4)       return 1;
-+  if (abs((long)(Kfcode()-1000*int(Kfcode()/1000))/100)==4)    return 1;
-+  if (abs((long)(Kfcode()-10000*int(Kfcode()/10000))/1000)==4) return 1;
-   return 0;
- }
- 
-diff --git a/AddOns/Pythia/Pythia_Jet_Criterion.C b/AddOns/Pythia/Pythia_Jet_Criterion.C
-index bbe9597..c1201e1 100644
---- a/AddOns/Pythia/Pythia_Jet_Criterion.C
-+++ b/AddOns/Pythia/Pythia_Jet_Criterion.C
-@@ -117,8 +117,8 @@ namespace PYTHIA {
-       double Qsq = sign * Q.Abs2();
-       // Mass term of radiator
-       DEBUG_VAR(ampl->MS());
--      double m2Rad = ( abs(RadAfterBranch.Flav().Kfcode()) >= 4
--                   && abs(RadAfterBranch.Flav().Kfcode()) < 7)
-+      double m2Rad = ( abs((long)RadAfterBranch.Flav().Kfcode()) >= 4
-+                   && abs((long)RadAfterBranch.Flav().Kfcode()) < 7)
-                    ? ampl->MS()->Mass2(RadAfterBranch.Flav())
-                    : 0.;
-       // Construct 2->3 variables for FSR
-diff --git a/BEAM/Main/EPA.C b/BEAM/Main/EPA.C
-index 861a1b2..340ac33 100644
---- a/BEAM/Main/EPA.C
-+++ b/BEAM/Main/EPA.C
-@@ -54,7 +54,7 @@ double EPA::CosInt::GetCosInt(double X)
- 
- double EPA::phi(double x, double qq)
- {
--  if (abs(m_beam.Kfcode()) == kf_p_plus) {
-+  if (abs((long)m_beam.Kfcode()) == kf_p_plus) {
-     const double a = 7.16;
-     const double b = -3.96;
-     const double c = .028;
-@@ -179,7 +179,7 @@ bool EPA::CalculateWeight(double x,double q2)
-     m_weight=0.0;
-     return 1;
-   }
--  if (abs(m_beam.Kfcode()) == kf_e) {
-+  if (abs((long)m_beam.Kfcode()) == kf_e) {
-     double f = alpha/M_PI*(1+sqr(1-m_x))/m_x*log(2.*m_energy/m_mass);
-     if (f < 0) f = 0.;
-     m_weight = f;
-@@ -187,7 +187,7 @@ bool EPA::CalculateWeight(double x,double q2)
- 	     <<"energy = "<<m_energy<<", "<<"mass = "<<m_mass<<".\n";
-     return 1;    
-   }
--  else if (abs(m_beam.Kfcode()) == kf_p_plus) {
-+  else if (abs((long)m_beam.Kfcode()) == kf_p_plus) {
-     const double qz = 0.71;
-     double f, qmi, qma;
-     qma=m_q2Max/qz;
-diff --git a/PDF/Remnant/Hadron_Remnant.C b/PDF/Remnant/Hadron_Remnant.C
-index 243717c..58c2278 100644
---- a/PDF/Remnant/Hadron_Remnant.C
-+++ b/PDF/Remnant/Hadron_Remnant.C
-@@ -188,13 +188,13 @@ ATOOLS::Flavour Hadron_Remnant::Opposite(ATOOLS::Flavour flav) const
-     if (m_constit[i]==flav && !found) found=true;
-     else rem[j++]=m_constit[i].Kfcode();
-   }
--  Flavour anti=Flavour((kf_code)(abs(rem[0])*1000+abs(rem[1])*100+3));
-+  Flavour anti=Flavour((kf_code)(abs((long)rem[0])*1000+abs((long)rem[1])*100+3));
-   if (rem[0]!=rem[1]) {
-     if (ran->Get()<0.25) 
--      anti=Flavour((kf_code)(abs(rem[0])*1000+abs(rem[1])*100+1));
-+      anti=Flavour((kf_code)(abs((long)rem[0])*1000+abs((long)rem[1])*100+1));
-   }
-   else {
--    anti=Flavour((kf_code)(abs(rem[0])*1100+3));
-+    anti=Flavour((kf_code)(abs((long)rem[0])*1100+3));
-   }
-   if (flav.IsAnti()) anti=anti.Bar();
-   return anti;