diff --git a/lib/std/crypto/aes/aesni.zig b/lib/std/crypto/aes/aesni.zig
index 13b3f8e52785ac2fd7ccdae21f07a549ab66f72b..1d719af9c7a0e7da1d1c3b703852de675b5351cc 100644
--- a/lib/std/crypto/aes/aesni.zig
+++ b/lib/std/crypto/aes/aesni.zig
@@ -313,10 +313,7 @@ pub fn AesEncryptCtx(comptime Aes: type) type {
             inline while (i < rounds) : (i += 1) {
                 ts = Block.parallel.encryptWide(count, ts, round_keys[i]);
             }
-            i = 1;
-            inline while (i < count) : (i += 1) {
-                ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]);
-            }
+            ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]);
             j = 0;
             inline while (j < count) : (j += 1) {
                 dst[16 * j .. 16 * j + 16].* = ts[j].toBytes();
@@ -392,10 +389,7 @@ pub fn AesDecryptCtx(comptime Aes: type) type {
             inline while (i < rounds) : (i += 1) {
                 ts = Block.parallel.decryptWide(count, ts, inv_round_keys[i]);
             }
-            i = 1;
-            inline while (i < count) : (i += 1) {
-                ts = Block.parallel.decryptLastWide(count, ts, inv_round_keys[i]);
-            }
+            ts = Block.parallel.decryptLastWide(count, ts, inv_round_keys[i]);
             j = 0;
             inline while (j < count) : (j += 1) {
                 dst[16 * j .. 16 * j + 16].* = ts[j].toBytes();
diff --git a/lib/std/crypto/aes/armcrypto.zig b/lib/std/crypto/aes/armcrypto.zig
index d331783284f111da018c5e3afbc4e4b7e482bda2..85578fcad9773303b9f57cf3de39cc881e2455f4 100644
--- a/lib/std/crypto/aes/armcrypto.zig
+++ b/lib/std/crypto/aes/armcrypto.zig
@@ -364,10 +364,7 @@ pub fn AesEncryptCtx(comptime Aes: type) type {
             inline while (i < rounds) : (i += 1) {
                 ts = Block.parallel.encryptWide(count, ts, round_keys[i]);
             }
-            i = 1;
-            inline while (i < count) : (i += 1) {
-                ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]);
-            }
+            ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]);
             j = 0;
             inline while (j < count) : (j += 1) {
                 dst[16 * j .. 16 * j + 16].* = ts[j].toBytes();
@@ -443,10 +440,7 @@ pub fn AesDecryptCtx(comptime Aes: type) type {
             inline while (i < rounds) : (i += 1) {
                 ts = Block.parallel.decryptWide(count, ts, inv_round_keys[i]);
             }
-            i = 1;
-            inline while (i < count) : (i += 1) {
-                ts = Block.parallel.decryptLastWide(count, ts, inv_round_keys[i]);
-            }
+            ts = Block.parallel.decryptLastWide(count, ts, inv_round_keys[i]);
             j = 0;
             inline while (j < count) : (j += 1) {
                 dst[16 * j .. 16 * j + 16].* = ts[j].toBytes();