diff --git a/src/force.cpp b/src/force.cpp
index e56e250ffc..80f5ef22a7 100644
--- a/src/force.cpp
+++ b/src/force.cpp
@@ -36,8 +36,6 @@
 
 using namespace LAMMPS_NS;
 
-#define MAXLINE 1024
-
 /* ---------------------------------------------------------------------- */
 
 Force::Force(LAMMPS *lmp) : Pointers(lmp)
diff --git a/src/pair_coul_streitz.cpp b/src/pair_coul_streitz.cpp
index 55529f9eae..87bcd45736 100644
--- a/src/pair_coul_streitz.cpp
+++ b/src/pair_coul_streitz.cpp
@@ -36,7 +36,6 @@
 using namespace LAMMPS_NS;
 using namespace MathConst;
 
-#define MAXLINE 1024
 #define DELTA 4
 #define PGDELTA 1
 #define MAXNEIGH 24
diff --git a/src/run.cpp b/src/run.cpp
index 379cf8015a..1534d506d6 100644
--- a/src/run.cpp
+++ b/src/run.cpp
@@ -27,8 +27,6 @@
 
 using namespace LAMMPS_NS;
 
-#define MAXLINE 2048
-
 /* ---------------------------------------------------------------------- */
 
 Run::Run(LAMMPS *lmp) : Command(lmp) {}