diff --git a/tests/source/cfg_if/detect/arch/aarch64.rs b/tests/source/cfg_if/detect/arch/aarch64.rs
index ebae2bd2854..2a4247ad072 100644
--- a/tests/source/cfg_if/detect/arch/aarch64.rs
+++ b/tests/source/cfg_if/detect/arch/aarch64.rs
@@ -79,7 +79,7 @@ macro_rules! is_aarch64_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// ARM Advanced SIMD (ASIMD)
     asimd,
diff --git a/tests/source/cfg_if/detect/arch/arm.rs b/tests/source/cfg_if/detect/arch/arm.rs
index b2626bf2923..d08ad93f9f4 100644
--- a/tests/source/cfg_if/detect/arch/arm.rs
+++ b/tests/source/cfg_if/detect/arch/arm.rs
@@ -30,7 +30,7 @@ macro_rules! is_arm_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// ARM Advanced SIMD (NEON) - Aarch32
     neon,
diff --git a/tests/source/cfg_if/detect/arch/mips.rs b/tests/source/cfg_if/detect/arch/mips.rs
index f4381b811cd..7025bd8a194 100644
--- a/tests/source/cfg_if/detect/arch/mips.rs
+++ b/tests/source/cfg_if/detect/arch/mips.rs
@@ -22,7 +22,7 @@ macro_rules! is_mips_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// MIPS SIMD Architecture (MSA)
     msa,
diff --git a/tests/source/cfg_if/detect/arch/mips64.rs b/tests/source/cfg_if/detect/arch/mips64.rs
index 2663bc68ba9..c33f03ec046 100644
--- a/tests/source/cfg_if/detect/arch/mips64.rs
+++ b/tests/source/cfg_if/detect/arch/mips64.rs
@@ -22,7 +22,7 @@ macro_rules! is_mips64_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// MIPS SIMD Architecture (MSA)
     msa,
diff --git a/tests/source/cfg_if/detect/arch/powerpc.rs b/tests/source/cfg_if/detect/arch/powerpc.rs
index a342dc1aacc..022568d23f0 100644
--- a/tests/source/cfg_if/detect/arch/powerpc.rs
+++ b/tests/source/cfg_if/detect/arch/powerpc.rs
@@ -31,7 +31,7 @@ macro_rules! is_powerpc_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// Altivec
     altivec,
diff --git a/tests/source/cfg_if/detect/arch/powerpc64.rs b/tests/source/cfg_if/detect/arch/powerpc64.rs
index 2e82c569252..25a5871c85b 100644
--- a/tests/source/cfg_if/detect/arch/powerpc64.rs
+++ b/tests/source/cfg_if/detect/arch/powerpc64.rs
@@ -31,7 +31,7 @@ macro_rules! is_powerpc64_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// Altivec
     altivec,
diff --git a/tests/source/cfg_if/detect/arch/x86.rs b/tests/source/cfg_if/detect/arch/x86.rs
index 50d5cfa87c4..02369480367 100644
--- a/tests/source/cfg_if/detect/arch/x86.rs
+++ b/tests/source/cfg_if/detect/arch/x86.rs
@@ -259,7 +259,7 @@ macro_rules! is_x86_feature_detected {
 #[allow(non_camel_case_types)]
 #[repr(u8)]
 #[doc(hidden)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// AES (Advanced Encryption Standard New Instructions AES-NI)
     aes,
diff --git a/tests/target/cfg_if/detect/arch/aarch64.rs b/tests/target/cfg_if/detect/arch/aarch64.rs
index 91c51ed89e6..cb784ecceda 100644
--- a/tests/target/cfg_if/detect/arch/aarch64.rs
+++ b/tests/target/cfg_if/detect/arch/aarch64.rs
@@ -71,7 +71,7 @@ macro_rules! is_aarch64_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// ARM Advanced SIMD (ASIMD)
     asimd,
diff --git a/tests/target/cfg_if/detect/arch/arm.rs b/tests/target/cfg_if/detect/arch/arm.rs
index 90c61fed8ac..0017ac3e31c 100644
--- a/tests/target/cfg_if/detect/arch/arm.rs
+++ b/tests/target/cfg_if/detect/arch/arm.rs
@@ -38,7 +38,7 @@ macro_rules! is_arm_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// ARM Advanced SIMD (NEON) - Aarch32
     neon,
diff --git a/tests/target/cfg_if/detect/arch/mips.rs b/tests/target/cfg_if/detect/arch/mips.rs
index 2397a090602..a8785688ce9 100644
--- a/tests/target/cfg_if/detect/arch/mips.rs
+++ b/tests/target/cfg_if/detect/arch/mips.rs
@@ -23,7 +23,7 @@ macro_rules! is_mips_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// MIPS SIMD Architecture (MSA)
     msa,
diff --git a/tests/target/cfg_if/detect/arch/mips64.rs b/tests/target/cfg_if/detect/arch/mips64.rs
index d378defc5df..be3ce0fb426 100644
--- a/tests/target/cfg_if/detect/arch/mips64.rs
+++ b/tests/target/cfg_if/detect/arch/mips64.rs
@@ -23,7 +23,7 @@ macro_rules! is_mips64_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// MIPS SIMD Architecture (MSA)
     msa,
diff --git a/tests/target/cfg_if/detect/arch/powerpc.rs b/tests/target/cfg_if/detect/arch/powerpc.rs
index e7a9daac688..f0111c41cc4 100644
--- a/tests/target/cfg_if/detect/arch/powerpc.rs
+++ b/tests/target/cfg_if/detect/arch/powerpc.rs
@@ -31,7 +31,7 @@ macro_rules! is_powerpc_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// Altivec
     altivec,
diff --git a/tests/target/cfg_if/detect/arch/powerpc64.rs b/tests/target/cfg_if/detect/arch/powerpc64.rs
index c102202695e..3a1be27238e 100644
--- a/tests/target/cfg_if/detect/arch/powerpc64.rs
+++ b/tests/target/cfg_if/detect/arch/powerpc64.rs
@@ -31,7 +31,7 @@ macro_rules! is_powerpc64_feature_detected {
 #[doc(hidden)]
 #[allow(non_camel_case_types)]
 #[repr(u8)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// Altivec
     altivec,
diff --git a/tests/target/cfg_if/detect/arch/x86.rs b/tests/target/cfg_if/detect/arch/x86.rs
index 9219a4a577f..a77e57213f1 100644
--- a/tests/target/cfg_if/detect/arch/x86.rs
+++ b/tests/target/cfg_if/detect/arch/x86.rs
@@ -244,7 +244,7 @@ macro_rules! is_x86_feature_detected {
 #[allow(non_camel_case_types)]
 #[repr(u8)]
 #[doc(hidden)]
-#[unstable(feature = "stdsimd_internal", issue = "0")]
+#[unstable(feature = "stdsimd_internal", issue = "none")]
 pub enum Feature {
     /// AES (Advanced Encryption Standard New Instructions AES-NI)
     aes,