diff --git a/src/MPIIO/dump_custom_mpiio.cpp b/src/MPIIO/dump_custom_mpiio.cpp
index 196a2d0bb9..a911ea1149 100644
--- a/src/MPIIO/dump_custom_mpiio.cpp
+++ b/src/MPIIO/dump_custom_mpiio.cpp
@@ -39,17 +39,6 @@ using namespace LAMMPS_NS;
 #define DUMP_BUF_CHUNK_SIZE 16384
 #define DUMP_BUF_INCREMENT_SIZE 4096
 
-// clang-format off
-enum{ ID, MOL, TYPE, ELEMENT, MASS,
-  X, Y, Z, XS, YS, ZS, XSTRI, YSTRI, ZSTRI, XU, YU, ZU, XUTRI, YUTRI, ZUTRI,
-  XSU, YSU, ZSU, XSUTRI, YSUTRI, ZSUTRI,
-  IX, IY, IZ, VX, VY, VZ, FX, FY, FZ,
-  Q, MUX, MUY, MUZ, MU, RADIUS, DIAMETER,
-  OMEGAX, OMEGAY, OMEGAZ, ANGMOMX, ANGMOMY, ANGMOMZ,
-  TQX, TQY, TQZ, SPIN, ERADIUS, ERVEL, ERFORCE,
-  COMPUTE, FIX, VARIABLE };
-enum{ LT, LE, GT, GE, EQ, NEQ };
-// clang-format on
 /* ---------------------------------------------------------------------- */
 
 DumpCustomMPIIO::DumpCustomMPIIO(LAMMPS *lmp, int narg, char **arg)
diff --git a/src/MPIIO/dump_xyz_mpiio.cpp b/src/MPIIO/dump_xyz_mpiio.cpp
index c976932b52..c03d71dcb2 100644
--- a/src/MPIIO/dump_xyz_mpiio.cpp
+++ b/src/MPIIO/dump_xyz_mpiio.cpp
@@ -38,17 +38,6 @@ using namespace LAMMPS_NS;
 #define DUMP_BUF_CHUNK_SIZE 16384
 #define DUMP_BUF_INCREMENT_SIZE 4096
 
-enum{ID,MOL,TYPE,ELEMENT,MASS,
-     X,Y,Z,XS,YS,ZS,XSTRI,YSTRI,ZSTRI,XU,YU,ZU,XUTRI,YUTRI,ZUTRI,
-     XSU,YSU,ZSU,XSUTRI,YSUTRI,ZSUTRI,
-     IX,IY,IZ,
-     VX,VY,VZ,FX,FY,FZ,
-     Q,MUX,MUY,MUZ,MU,RADIUS,DIAMETER,
-     OMEGAX,OMEGAY,OMEGAZ,ANGMOMX,ANGMOMY,ANGMOMZ,
-     TQX,TQY,TQZ,SPIN,ERADIUS,ERVEL,ERFORCE,
-     COMPUTE,FIX,VARIABLE};
-enum{LT,LE,GT,GE,EQ,NEQ};
-
 /* ---------------------------------------------------------------------- */
 
 DumpXYZMPIIO::DumpXYZMPIIO(LAMMPS *lmp, int narg, char **arg) :