diff --git a/src/libsysprof/sysprof-linux-instrument.c b/src/libsysprof/sysprof-linux-instrument.c
index 6a4e4a7d..046e7630 100644
--- a/src/libsysprof/sysprof-linux-instrument.c
+++ b/src/libsysprof/sysprof-linux-instrument.c
@@ -34,11 +34,6 @@ struct _SysprofLinuxInstrument
   SysprofInstrument parent_instance;
 };
 
-enum {
-  PROP_0,
-  N_PROPS
-};
-
 G_DEFINE_FINAL_TYPE (SysprofLinuxInstrument, sysprof_linux_instrument, SYSPROF_TYPE_INSTRUMENT)
 
 static char **