diff --git a/SOURCES/kdump-lib.sh b/SOURCES/kdump-lib.sh
index be650bd..bfff546 100755
--- a/SOURCES/kdump-lib.sh
+++ b/SOURCES/kdump-lib.sh
@@ -842,10 +842,6 @@ prepare_cmdline()
         fi
     done
 
-    # Remove trace_buf_size, trace_event
-    cmdline=$(remove_cmdline_param "$cmdline" trace_buf_size trace_event)
-    cmdline="${cmdline} trace_buf_size=1"
-
     echo ${cmdline}
 }
 
diff --git a/SPECS/kexec-tools.spec b/SPECS/kexec-tools.spec
index 2f2c10d..79f596a 100644
--- a/SPECS/kexec-tools.spec
+++ b/SPECS/kexec-tools.spec
@@ -1,6 +1,6 @@
 Name: kexec-tools
 Version: 2.0.20
-Release: 67%{?dist}
+Release: 68%{?dist}
 License: GPLv2
 Group: Applications/System
 Summary: The kexec/kdump userspace component
@@ -418,6 +418,9 @@ done
 %endif
 
 %changelog
+* Thu Jan 27 2022 Pingfan Liu <piliu@redhat.com> - 2.0.20-68
+- Revert "Remove trace_buf_size and trace_event from the kernel bootparameters of the kdump kernel"
+
 * Fri Dec 24 2021 Pingfan Liu <piliu@redhat.com> - 2.0.20-67
 - Remove trace_buf_size and trace_event from the kernel bootparameters of the kdump kernel