diff --git a/src/igloo_hypercall_consts.h b/src/igloo_hypercall_consts.h
index cd40961..dcce71e 100644
--- a/src/igloo_hypercall_consts.h
+++ b/src/igloo_hypercall_consts.h
@@ -31,7 +31,6 @@ enum igloo_hypercall_constants {
     IGLOO_HYP_SYSCALL_RETURN = 0x1339,
     IGLOO_HYP_SETUP_TASK_COMM = 0x133a,
     IGLOO_HYP_SIGNAL_DELIVER = 0x133b,
-    IGLOO_HYP_OSI_TASK_SWITCH = 0x3337,
     
     /* Uprobe operations */
     IGLOO_HYP_UPROBE_ENTER  = 0x6901,
@@ -51,4 +50,4 @@ enum igloo_hypercall_constants {
     IGLOO_SYSCALL           = 0x6408400B,
     IGLOO_MODULE_BASE       = 0x6408400C,
     IGLOO_INIT_MODULE       = 0x6408400D,
-};
\ No newline at end of file
+};