From 620dd09509b9ec7cbecbe1c0acc971e242617f19 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Thu, 11 Mar 2021 21:36:14 -0500
Subject: [PATCH] delete active fixes when unloading fix style plugin

---
 src/plugin.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/plugin.cpp b/src/plugin.cpp
index d2ea0943ad..0eece6793e 100644
--- a/src/plugin.cpp
+++ b/src/plugin.cpp
@@ -236,6 +236,10 @@ namespace LAMMPS_NS
             lmp->force->create_pair("none",0);
         }
       }
+    } else if (pstyle == "fix") {
+      for (int ifix = lmp->modify->find_fix_by_style(name);
+           ifix >= 0; ifix = lmp->modify->find_fix_by_style(name))
+        lmp->modify->delete_fix(ifix);
     }
 
     // if reference count is down to zero, close DSO handle.