diff --git a/core/src/main/resources/lib/c/reactor-c b/core/src/main/resources/lib/c/reactor-c
index 2a3c2575be..b64a805c1a 160000
--- a/core/src/main/resources/lib/c/reactor-c
+++ b/core/src/main/resources/lib/c/reactor-c
@@ -1 +1 @@
-Subproject commit 2a3c2575be15f62b1229f8d8967b03d7fb16887a
+Subproject commit b64a805c1a78ca67e41026301e67830ee4791cb2
diff --git a/core/src/main/resources/lib/platform/zephyr/prj_lf.conf b/core/src/main/resources/lib/platform/zephyr/prj_lf.conf
index 6b171daff2..5b026c5035 100644
--- a/core/src/main/resources/lib/platform/zephyr/prj_lf.conf
+++ b/core/src/main/resources/lib/platform/zephyr/prj_lf.conf
@@ -1,15 +1,9 @@
 # Lingua Franca Zephyr configuration file
-
 # This is a generated file, do not edit.
-# To supply additional configuration parameters add an additional
-# configuration file to the build with
-# west build -b qemu_cortex_m3 -- -DOVERLAY_CONFIG=my_conf.prj
 
 # Enable printf
 CONFIG_PRINTK=y
 # Use the newlib C library
 CONFIG_NEWLIB_LIBC=y
 CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y
-# Enable the counter API used for hi-res clock
-CONFIG_COUNTER=y
 CONFIG_THREAD_CUSTOM_DATA=y