Index: kernel/arch/amd64/src/cpu/cpu.c
===================================================================
--- kernel/arch/amd64/src/cpu/cpu.c	(revision bea6233f6403a8326263792f1a531eb1cb564552)
+++ kernel/arch/amd64/src/cpu/cpu.c	(revision 24be331ea10d154caa5f9eead16febf3485cbcf7)
@@ -99,5 +99,4 @@
 	CPU->arch.tss->iomap_base = &CPU->arch.tss->iomap[0] -
 	    ((uint8_t *) CPU->arch.tss);
-	CPU->fpu_owner = NULL;
 }
 
Index: kernel/arch/ia32/src/cpu/cpu.c
===================================================================
--- kernel/arch/ia32/src/cpu/cpu.c	(revision bea6233f6403a8326263792f1a531eb1cb564552)
+++ kernel/arch/ia32/src/cpu/cpu.c	(revision 24be331ea10d154caa5f9eead16febf3485cbcf7)
@@ -87,6 +87,4 @@
 	CPU->arch.tss->iomap_base = &CPU->arch.tss->iomap[0] - ((uint8_t *) CPU->arch.tss);
 
-	CPU->fpu_owner = NULL;
-
 	cpuid(INTEL_CPUID_STANDARD, &info);