diff --git a/evm/src/cpu/kernel/asm/core/precompiles/expmod.asm b/evm/src/cpu/kernel/asm/core/precompiles/expmod.asm
index 093bc160..1977e9d6 100644
--- a/evm/src/cpu/kernel/asm/core/precompiles/expmod.asm
+++ b/evm/src/cpu/kernel/asm/core/precompiles/expmod.asm
@@ -184,8 +184,7 @@ l_E_prime_return:
     // stack: max(1, l_E_prime) * f(max(l_M, l_B)), len, l_M, l_E, l_B, kexit_info
     %div_const(3) // G_quaddivisor
     // stack: (max(1, l_E_prime) * f(max(l_M, l_B))) / G_quaddivisor, len, l_M, l_E, l_B, kexit_info
-    PUSH 200
-    %max
+    %max_const(200)
     // stack: g_r, len, l_M, l_E, l_B, kexit_info
     %stack (g_r, l: 4, kexit_info) -> (g_r, kexit_info, l)
     // stack: g_r, kexit_info, len, l_M, l_E, l_B
diff --git a/evm/src/cpu/kernel/asm/hash/blake2b/main.asm b/evm/src/cpu/kernel/asm/hash/blake2b/main.asm
index 933de505..0e662077 100644
--- a/evm/src/cpu/kernel/asm/hash/blake2b/main.asm
+++ b/evm/src/cpu/kernel/asm/hash/blake2b/main.asm
@@ -2,9 +2,8 @@ global blake2b:
     // stack: virt, num_bytes, retdest
     DUP2
     // stack: num_bytes, virt, num_bytes, retdest
-    %add_const(127)
-    %div_const(128)
-    // stack: num_blocks = ceil(num_bytes / 128), virt, num_bytes, retdest
+    %ceil_div_const(128)
+    // stack: num_blocks, virt, num_bytes, retdest
     DUP2
     // stack: virt, num_blocks, virt, num_bytes, retdest
     %mstore_kernel_general