diff --git a/velociraptor-client.spec b/velociraptor-client.spec
index c96da5f..185f00e 100644
--- a/velociraptor-client.spec
+++ b/velociraptor-client.spec
@@ -17,7 +17,7 @@
 
 %define projname velociraptor
 %define vendor_version 0.6.4.2~git86.b5931f7
-%define vmlinux_h_version 5.18.9-2-default
+%define vmlinux_h_version 5.14.21150400.22-150400-default
 
 Name:           velociraptor-client
 Version:        0.6.4.2~git86.b5931f7
@@ -73,11 +73,8 @@ sed -ie "s/\(VERSION *= \).*/\1 \"%{version}\"/" constants/constants.go
 
 mkdir -p third_party/libbpfgo/output
 
-# Any release more recent than SLE 15 SP3/Leap 15.3 will have this
-if ! test -e /sys/kernel/btf/vmlinux; then
-	cp vmlinux.h-%{vmlinux_h_version}/vmlinux-%{_arch}.h \
-	   third_party/libbpfgo/output/vmlinux.h
-fi
+cp vmlinux.h-%{vmlinux_h_version}/vmlinux-%{_arch}.h \
+   third_party/libbpfgo/output/vmlinux.h
 
 # These just clutter the GUI and we don't have Windows clients
 # Note: There are dependencies on these that need to be resolved before
diff --git a/velociraptor.spec b/velociraptor.spec
index 0fd6d56..ecb9396 100644
--- a/velociraptor.spec
+++ b/velociraptor.spec
@@ -17,7 +17,7 @@
 
 %define projname velociraptor
 %define vendor_version 0.6.4.2~git86.b5931f7
-%define vmlinux_h_version 5.18.9-2-default
+%define vmlinux_h_version 5.14.21150400.22-150400-default
 
 Name:           velociraptor
 Version:        0.6.4.2~git86.b5931f7
@@ -86,11 +86,8 @@ sed -ie "s/\(VERSION *= \).*/\1 \"%{version}\"/" constants/constants.go
 
 mkdir -p third_party/libbpfgo/output
 
-# Any release more recent than SLE 15 SP3/Leap 15.3 will have this
-if ! test -e /sys/kernel/btf/vmlinux; then
-	cp vmlinux.h-%{vmlinux_h_version}/vmlinux-%{_arch}.h \
-	   third_party/libbpfgo/output/vmlinux.h
-fi
+cp vmlinux.h-%{vmlinux_h_version}/vmlinux-%{_arch}.h \
+   third_party/libbpfgo/output/vmlinux.h
 
 # These just clutter the GUI and we don't have Windows clients
 # Note: There are dependencies on these that need to be resolved before
diff --git a/vmlinux.h-5.14.21150400.22-150400-default.tar.xz b/vmlinux.h-5.14.21150400.22-150400-default.tar.xz
new file mode 100644
index 0000000..0e89d73
--- /dev/null
+++ b/vmlinux.h-5.14.21150400.22-150400-default.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3437ed2f82883d508c385951d3d146f37f7c954fa0da6021494aa15ff19dc9a0
+size 590616
diff --git a/vmlinux.h-5.18.9-2-default.tar.xz b/vmlinux.h-5.18.9-2-default.tar.xz
deleted file mode 100644
index 5552aa4..0000000
--- a/vmlinux.h-5.18.9-2-default.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:75a6a812bbed4f1e7abd5a3c02d1658a96b43d3c4fc99a155739c256a8da8245
-size 457380