diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 29da9599fec0..ce8c6ed417a4 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 3d19cad18aa2..86e5912f2b70 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;
 
+struct desc_ptr idt_descr __ro_after_init = {
+	.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;
 
-struct desc_ptr idt_descr __ro_after_init = {
-	.size		= IDT_ENTRIES * 16 - 1,
-	.address	= (unsigned long) idt_table,
-};
-
 const struct desc_ptr debug_idt_descr = {
 	.size		= IDT_ENTRIES * 16 - 1,
 	.address	= (unsigned long) debug_idt_table,