diff --git a/evm/src/cpu/kernel/asm/ripemd/compression.asm b/evm/src/cpu/kernel/asm/ripemd/compression.asm
index 328a5074..5ce5f347 100644
--- a/evm/src/cpu/kernel/asm/ripemd/compression.asm
+++ b/evm/src/cpu/kernel/asm/ripemd/compression.asm
@@ -19,7 +19,7 @@
 ///         u32(s4 + l0 + r1),
 ///         u32(s0 + l1 + r2)
 /// 
-/// where si, li, ri, oi, OF, RD respectively denote 
+/// where si, li, ri, oi, VR, RD respectively denote 
 /// state[i], stateL[i], stateR[i], output[i], virt, retdest
 
 global compress:
@@ -39,9 +39,7 @@ switch:
     // stack:                                   STATEL, STATE, virt, retdest
     PUSH mix
     DUP12 
-    PUSH 0
-    PUSH 5  
-    PUSH 16 
+    %stack () ->          (16, 5, 0)
     // stack:              16, 5, 0, virt, mix, STATEL, STATE, virt, retdest
     DUP15
     DUP15
@@ -203,7 +201,6 @@ pre_rol:
     %mload_kernel_code_label(R_data)
     ADD
     // stack: virt + r, box, a, b, c, d, e, F, K, boxes, rounds, sides, virt  
-    // %mload_kernel_code_u32_LE(Input_Block) 
     %load_u32_from_block
     // stack:        x, box, a, b, c, d, e, F, K, boxes, rounds, sides, virt
     SWAP1  
diff --git a/evm/src/cpu/kernel/asm/ripemd/constants.asm b/evm/src/cpu/kernel/asm/ripemd/constants.asm
index 1ce49c28..18bf3595 100644
--- a/evm/src/cpu/kernel/asm/ripemd/constants.asm
+++ b/evm/src/cpu/kernel/asm/ripemd/constants.asm
@@ -118,23 +118,3 @@ global R_data:
     BYTES 04, 20, 32, 28
     BYTES 24, 08, 52, 56
     BYTES 00, 12, 36, 44
-
-
-global Input_Block:
-    BYTES 0x61, 0x62, 0x63, 0x64
-    BYTES 0x65, 0x66, 0x67, 0x68 
-    BYTES 0x69, 0x6a, 0x6b, 0x6c 
-    BYTES 0x6d, 0x6e, 0x6f, 0x70 
-    BYTES 0x71, 0x72, 0x73, 0x74 
-    BYTES 0x75, 0x76, 0x77, 0x78 
-    BYTES 0x79, 0x7a, 0x80, 0x00 
-    BYTES 0x00, 0x00, 0x00, 0x00 
-    BYTES 0x00, 0x00, 0x00, 0x00 
-    BYTES 0x00, 0x00, 0x00, 0x00 
-    BYTES 0x00, 0x00, 0x00, 0x00 
-    BYTES 0x00, 0x00, 0x00, 0x00 
-    BYTES 0x00, 0x00, 0x00, 0x00 
-    BYTES 0x00, 0x00, 0x00, 0x00 
-    BYTES 0xd0, 0x00, 0x00, 0x00 
-    BYTES 0x00, 0x00, 0x00, 0x00
-    
\ No newline at end of file
diff --git a/evm/src/cpu/kernel/asm/util/basic_macros.asm b/evm/src/cpu/kernel/asm/util/basic_macros.asm
index edf63359..3027d338 100644
--- a/evm/src/cpu/kernel/asm/util/basic_macros.asm
+++ b/evm/src/cpu/kernel/asm/util/basic_macros.asm
@@ -295,4 +295,4 @@
 
 %macro break
     %jump(0xdeadbeef)
-%endmacro
\ No newline at end of file
+%endmacro
diff --git a/evm/src/memory/segments.rs b/evm/src/memory/segments.rs
index 5b3725d7..f32e0f5e 100644
--- a/evm/src/memory/segments.rs
+++ b/evm/src/memory/segments.rs
@@ -37,7 +37,6 @@ pub(crate) enum Segment {
     /// See also `StateTrieCheckpointPointer`.
     StorageTrieCheckpointPointers = 14,
     /// RipeMD storage
-    ///
     RipeMd = 15,
 }