diff --git a/gematria/datasets/bhive_importer.cc b/gematria/datasets/bhive_importer.cc
index 6e0e42b4..b2dd8eb9 100644
--- a/gematria/datasets/bhive_importer.cc
+++ b/gematria/datasets/bhive_importer.cc
@@ -165,7 +165,6 @@ absl::StatusOr<BasicBlockProto> BHiveImporter::BasicBlockProtoFromMBBName(
 
   // lookup the MBB in the map, if not, return error
   if (name_to_mbb_.find(MBB_name_ref) == name_to_mbb_.end()) {
-    LOG("Cannot find MBB, using key " << MBB_name);
     return absl::InvalidArgumentError(
         absl::StrCat("Could not find MBB with name ", MBB_name));
   }
@@ -175,7 +174,6 @@ absl::StatusOr<BasicBlockProto> BHiveImporter::BasicBlockProtoFromMBBName(
   for (llvm::MachineInstr& MI : *MBB){
     // if MI is a control instruction(ret,branch,jmp), skip it
     if (MI.isInlineAsm() || MI.isTerminator() || MI.isEHLabel()) {
-      LOG("MI is a control instruction, skipping it " << MI);
       continue;
     }
 
diff --git a/gematria/llvm/canonicalizer.cc b/gematria/llvm/canonicalizer.cc
index 4a5864de..9b6cdcd9 100644
--- a/gematria/llvm/canonicalizer.cc
+++ b/gematria/llvm/canonicalizer.cc
@@ -78,8 +78,6 @@ void ReplaceExprOperands(llvm::MachineInstr& instruction) {
       // of the displacement and 0 might have a special meaning (e.g. do not use
       // displacement at all).
       operand = llvm::MachineOperand::CreateImm(1);
-    } else {
-      LOG("DEBUG: ReplaceExprOperands: operand" << operand << "Has type " << operand.getType() << "\n");
     }
   }
 }
@@ -197,7 +195,6 @@ void AddMIRVendorMnemonicAndPrefixes(
   llvm::raw_string_ostream stream(assembly_code);
   MI.print(stream);
   stream.flush();
-  LOG("DEBUG: AddMIRVendorMnemonicAndPrefixes on " << MI << assembly_code << "\n");
 
   // TODO: now used a dummy way to seperate tokens... don't know why SplitByAny does 
   // not work for MIR stream
@@ -212,11 +209,6 @@ void AddMIRVendorMnemonicAndPrefixes(
   }
   assert(!tokens.empty());
 
-  //print out tokens
-  for (auto token : tokens){
-    LOG("DEBUG: token: " << token);
-  }
-
   // If there is only one token, we treat it as the mnemonic no matter what.
   if (tokens.size() == 1) {
     instruction.mnemonic = tokens[0];
@@ -248,7 +240,6 @@ void AddMIRVendorMnemonicAndPrefixes(
 
     // process prefix and mnemonic tokens
     std::string uppercased_token = token.trim().upper();
-    LOG("DEBUG: uppercased_token: " << uppercased_token);
     const bool is_known_prefix =
         std::find(std::begin(kKnownPrefixes), std::end(kKnownPrefixes),
                   uppercased_token) != std::end(kKnownPrefixes);