diff --git a/engines/c/_calib_cache.json b/engines/c/_calib_cache.json
deleted file mode 100644
index 2a0a2a3..0000000
--- a/engines/c/_calib_cache.json
+++ /dev/null
@@ -1 +0,0 @@
-{"n_atoms": 40, "nt": 200000, "step_time": 2.5352442264556887e-05}
\ No newline at end of file
diff --git a/engines/cpp/_calib_cache.json b/engines/cpp/_calib_cache.json
deleted file mode 100644
index dffc098..0000000
--- a/engines/cpp/_calib_cache.json
+++ /dev/null
@@ -1 +0,0 @@
-{"n_atoms": 40, "nt": 200000, "step_time": 0.0022148028612136842}
\ No newline at end of file
diff --git a/engines/fortran/_calib_cache.json b/engines/fortran/_calib_cache.json
deleted file mode 100644
index 2c07712..0000000
--- a/engines/fortran/_calib_cache.json
+++ /dev/null
@@ -1 +0,0 @@
-{"n_atoms": 40, "nt": 200000, "step_time": 0.005991018545627594}
\ No newline at end of file