diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 29da9599fec03fa78a71bc984f25ec1e9d866f5d..ce8c6ed417a470defd20ae871f42237191ea2de8 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -622,7 +622,6 @@ int_msg:
 
 	.data
 .globl boot_gdt_descr
-.globl idt_descr
 
 	ALIGN
 # early boot GDT descriptor (must use 1:1 address mapping)
@@ -631,11 +630,6 @@ boot_gdt_descr:
 	.word __BOOT_DS+7
 	.long boot_gdt - __PAGE_OFFSET
 
-	.word 0				# 32-bit align idt_desc.address
-idt_descr:
-	.word IDT_ENTRIES*8-1		# idt contains 256 entries
-	.long idt_table
-
 # boot GDT descriptor (later on used by CPU#0):
 	.word 0				# 32 bit align gdt_desc.address
 ENTRY(early_gdt_descr)
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c
index 3d19cad18aa2c3eef879f8df4186cd9980235b8a..86e5912f2b705fd821458c83bd93791ad08bb7c9 100644
--- a/arch/x86/kernel/idt.c
+++ b/arch/x86/kernel/idt.c
@@ -10,15 +10,15 @@
 /* Must be page-aligned because the real IDT is used in a fixmap. */
 gate_desc idt_table[IDT_ENTRIES] __page_aligned_bss;
 
-#ifdef CONFIG_X86_64
-/* No need to be aligned, but done to keep all IDTs defined the same way. */
-gate_desc debug_idt_table[IDT_ENTRIES] __page_aligned_bss;
-
 struct desc_ptr idt_descr __ro_after_init = {
-	.size		= IDT_ENTRIES * 16 - 1,
+	.size		= (IDT_ENTRIES * 2 * sizeof(unsigned long)) - 1,
 	.address	= (unsigned long) idt_table,
 };
 
+#ifdef CONFIG_X86_64
+/* No need to be aligned, but done to keep all IDTs defined the same way. */
+gate_desc debug_idt_table[IDT_ENTRIES] __page_aligned_bss;
+
 const struct desc_ptr debug_idt_descr = {
 	.size		= IDT_ENTRIES * 16 - 1,
 	.address	= (unsigned long) debug_idt_table,