diff --git a/particle_structs/src/CMakeLists.txt b/particle_structs/src/CMakeLists.txt
index 652641f1..66659ec0 100644
--- a/particle_structs/src/CMakeLists.txt
+++ b/particle_structs/src/CMakeLists.txt
@@ -22,7 +22,6 @@ set(HEADERS
 
   scs/SCS_Macros.h
   scs/SCS_Types.h
-  scs/SCSPair.h
   scs/SCS_sort.h
   scs/SCS_rebuild.h
   scs/SCS_migrate.h
diff --git a/particle_structs/src/scs/SCSPair.h b/particle_structs/src/scs/SCSPair.h
deleted file mode 100644
index bcd11c4d..00000000
--- a/particle_structs/src/scs/SCSPair.h
+++ /dev/null
@@ -1,41 +0,0 @@
-#pragma once
-
-#include <ppMacros.h>
-namespace pumipic {
-struct MyPair {
-  KOKKOS_FORCEINLINE_FUNCTION constexpr MyPair() : first(0), second(0) {}
-  KOKKOS_FORCEINLINE_FUNCTION constexpr MyPair(int i) : first(i), second(0) {}
-  KOKKOS_INLINE_FUNCTION MyPair& operator=(const MyPair& p) {
-    if (this != &p) {
-      first = p.first;
-      second = p.second;
-    }
-    return *this;
-  }
-  KOKKOS_FORCEINLINE_FUNCTION void operator=(const volatile MyPair& p) volatile {
-    first = p.first;
-    second = p.second;
-  }
-  KOKKOS_FORCEINLINE_FUNCTION int operator-(const volatile MyPair& p) const volatile { return first - p.first;}
-  KOKKOS_FORCEINLINE_FUNCTION bool operator==(const volatile MyPair& p) const volatile {return first==p.first;}
-  KOKKOS_FORCEINLINE_FUNCTION bool operator!=(const volatile MyPair& p) const volatile {return !(*this == p);}
-  //Reverse operators in order to get largest first
-  KOKKOS_FORCEINLINE_FUNCTION bool operator<(const volatile MyPair& p) const volatile {return first > p.first || (first ==p.first && second < p.second);}
-  KOKKOS_FORCEINLINE_FUNCTION bool operator>(const volatile MyPair& p) const volatile {return first < p.first || (first==p.first && second > p.second);}
-  int first, second;
-};
-
-}
-
-#ifdef PP_USE_GPU
-namespace Kokkos {
-  using pumipic::MyPair;
-  PP_DEVICE_VAR MyPair ma = MyPair(10000000);
-  PP_DEVICE_VAR MyPair mi = MyPair(0);
-  template <>
-  struct reduction_identity<MyPair> {
-    KOKKOS_FORCEINLINE_FUNCTION constexpr static const MyPair& max() {return ma;}
-    KOKKOS_FORCEINLINE_FUNCTION constexpr static const  MyPair& min() {return mi;}
-  };
-}
-#endif
diff --git a/particle_structs/src/scs/SellCSigma.h b/particle_structs/src/scs/SellCSigma.h
index 9f4f6350..c8beeaa4 100644
--- a/particle_structs/src/scs/SellCSigma.h
+++ b/particle_structs/src/scs/SellCSigma.h
@@ -11,7 +11,6 @@
 #include <Kokkos_UnorderedMap.hpp>
 #include <Kokkos_Pair.hpp>
 #include <Kokkos_Sort.hpp>
-#include "SCSPair.h"
 #include "scs_input.hpp"
 #include <particle_structs.hpp>
 #include <ppTiming.hpp>
@@ -45,7 +44,6 @@ class SellCSigma : public ParticleStructure<DataTypes, MemSpace> {
 template <std::size_t N> using Slice = Segment<DataType<N>, device_type>;
 #endif
   typedef Kokkos::TeamPolicy<execution_space> PolicyType;
-  typedef Kokkos::View<MyPair*, device_type> PairView;
   typedef Kokkos::UnorderedMap<gid_t, lid_t, device_type> GID_Mapping;
   typedef SCS_Input<DataTypes, MemSpace> Input_T;