diff --git a/target/linux/x86/patches-4.14/900-x86-Enable-fast-strings-on-Intel-if-BIOS-hasn-t-already.patch b/target/linux/x86/patches-4.14/900-x86-Enable-fast-strings-on-Intel-if-BIOS-hasn-t-already.patch
deleted file mode 100644
index 06e64e3d47..0000000000
--- a/target/linux/x86/patches-4.14/900-x86-Enable-fast-strings-on-Intel-if-BIOS-hasn-t-already.patch
+++ /dev/null
@@ -1,53 +0,0 @@
-diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
-index 1905ce9..a4a3ef2 100644
---- a/arch/x86/kernel/cpu/intel.c
-+++ b/arch/x86/kernel/cpu/intel.c
-@@ -164,6 +164,7 @@
- static void early_init_intel(struct cpuinfo_x86 *c)
- {
- 	u64 misc_enable;
-+	bool allow_fast_string = true;
- 
- 	/* Unmask CPUID levels if masked: */
- 	if (c->x86 > 6 || (c->x86 == 6 && c->x86_model >= 0xd)) {
-@@ -259,17 +260,35 @@
- 	 *
- 	 * Enable PAT WC only on P4, Core 2 or later CPUs.
- 	 */
--	if (c->x86 == 6 && c->x86_model < 15)
-+	if (c->x86 == 6 && c->x86_model < 15) {
-+		allow_fast_string = false;
- 		clear_cpu_cap(c, X86_FEATURE_PAT);
--
-+	}
- 	/*
--	 * If fast string is not enabled in IA32_MISC_ENABLE for any reason,
--	 * clear the fast string and enhanced fast string CPU capabilities.
-+	 * If BIOS didn't enable fast string operation, try to enable
-+	 * it ourselves. If that fails, then clear the fast string
-+	 * and enhanced fast string CPU capabilities.
- 	 */
- 	if (c->x86 > 6 || (c->x86 == 6 && c->x86_model >= 0xd)) {
- 		rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
-+		
-+    if (allow_fast_string &&
-+		    !(misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING)) {
-+			misc_enable |= MSR_IA32_MISC_ENABLE_FAST_STRING;
-+			wrmsrl_safe(MSR_IA32_MISC_ENABLE, misc_enable);
-+
-+			/* Re-read to make sure it stuck. */
-+			rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
-+
-+			if (misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING)
-+				printk_once(KERN_INFO "BIOS disabled fast string operation, re-enabled sucessfully.\n");
-+		}
-+
- 		if (!(misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING)) {
--			pr_info("Disabled fast string operations\n");
-+			if (allow_fast_string)
-+				printk_once(KERN_INFO FW_WARN "BIOS disabled fast string operation, re-enable failed.\n");
-+			else
-+			        printk_once(KERN_INFO "Disabled fast string operations\n");
- 			setup_clear_cpu_cap(X86_FEATURE_REP_GOOD);
- 			setup_clear_cpu_cap(X86_FEATURE_ERMS);
- 		}
diff --git a/target/linux/x86/patches-4.19/900-x86-Enable-fast-strings-on-Intel-if-BIOS-hasn-t-already.patch b/target/linux/x86/patches-4.19/900-x86-Enable-fast-strings-on-Intel-if-BIOS-hasn-t-already.patch
deleted file mode 100644
index 06e64e3d47..0000000000
--- a/target/linux/x86/patches-4.19/900-x86-Enable-fast-strings-on-Intel-if-BIOS-hasn-t-already.patch
+++ /dev/null
@@ -1,53 +0,0 @@
-diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
-index 1905ce9..a4a3ef2 100644
---- a/arch/x86/kernel/cpu/intel.c
-+++ b/arch/x86/kernel/cpu/intel.c
-@@ -164,6 +164,7 @@
- static void early_init_intel(struct cpuinfo_x86 *c)
- {
- 	u64 misc_enable;
-+	bool allow_fast_string = true;
- 
- 	/* Unmask CPUID levels if masked: */
- 	if (c->x86 > 6 || (c->x86 == 6 && c->x86_model >= 0xd)) {
-@@ -259,17 +260,35 @@
- 	 *
- 	 * Enable PAT WC only on P4, Core 2 or later CPUs.
- 	 */
--	if (c->x86 == 6 && c->x86_model < 15)
-+	if (c->x86 == 6 && c->x86_model < 15) {
-+		allow_fast_string = false;
- 		clear_cpu_cap(c, X86_FEATURE_PAT);
--
-+	}
- 	/*
--	 * If fast string is not enabled in IA32_MISC_ENABLE for any reason,
--	 * clear the fast string and enhanced fast string CPU capabilities.
-+	 * If BIOS didn't enable fast string operation, try to enable
-+	 * it ourselves. If that fails, then clear the fast string
-+	 * and enhanced fast string CPU capabilities.
- 	 */
- 	if (c->x86 > 6 || (c->x86 == 6 && c->x86_model >= 0xd)) {
- 		rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
-+		
-+    if (allow_fast_string &&
-+		    !(misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING)) {
-+			misc_enable |= MSR_IA32_MISC_ENABLE_FAST_STRING;
-+			wrmsrl_safe(MSR_IA32_MISC_ENABLE, misc_enable);
-+
-+			/* Re-read to make sure it stuck. */
-+			rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
-+
-+			if (misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING)
-+				printk_once(KERN_INFO "BIOS disabled fast string operation, re-enabled sucessfully.\n");
-+		}
-+
- 		if (!(misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING)) {
--			pr_info("Disabled fast string operations\n");
-+			if (allow_fast_string)
-+				printk_once(KERN_INFO FW_WARN "BIOS disabled fast string operation, re-enable failed.\n");
-+			else
-+			        printk_once(KERN_INFO "Disabled fast string operations\n");
- 			setup_clear_cpu_cap(X86_FEATURE_REP_GOOD);
- 			setup_clear_cpu_cap(X86_FEATURE_ERMS);
- 		}