Index: kernel/arch/amd64/src/cpu/cpu.c
===================================================================
--- kernel/arch/amd64/src/cpu/cpu.c	(revision bab75df6bdac0b39185034277416374a06d4b37f)
+++ kernel/arch/amd64/src/cpu/cpu.c	(revision 117ad5a23def46f16848a3bd0a7168021c762d3c)
@@ -99,5 +99,4 @@
 	CPU->arch.tss->iomap_base = &CPU->arch.tss->iomap[0] -
 	    ((uint8_t *) CPU->arch.tss);
-	CPU->fpu_owner = NULL;
 }