diff --git a/CMakeLists.txt b/CMakeLists.txt
index c2e117e..c4a4fd0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,7 +46,6 @@ set(SOURCE
 	usql/usql_ddl.cpp
 	usql/usql_function.cpp
 	usql/table.cpp
-	usql/table.h
 	usql/row.cpp
 	usql/csvreader.cpp
 	usql/settings.cpp
diff --git a/usql/usql.cpp b/usql/usql.cpp
index fb155d9..ca18fe1 100644
--- a/usql/usql.cpp
+++ b/usql/usql.cpp
@@ -173,7 +173,6 @@ std::unique_ptr<ValueNode> USql::eval_function_value_node(Table *table, Row &row
 		evaluatedPars.push_back(eval_value_node(table, row, param.get(), nullptr, nullptr));
 	}
 
-	// at this moment no functions without parameter(s) or first param can be null
 	if (evaluatedPars.empty() || evaluatedPars[0]->isNull())
 		return std::make_unique<NullValueNode>();
 
diff --git a/utils/remote_install.sh b/utils/remote_install.sh
index 8ccacc6..52f1276 100755
--- a/utils/remote_install.sh
+++ b/utils/remote_install.sh
@@ -23,9 +23,9 @@ if [ "$#" -eq 1 ]; then
 fi
 
 echo "Building ml"
-ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; gcc -std=c99 -c -O2 -o linenoise.o clib/linenoise.c"
-ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; c++ -c -O2  -I/usr/local/opt/openssl/include -Iclib -I./ --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp ml_usql.cpp  clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/tcpnet.cpp clib/printf.cpp usql/exception.cpp usql/lexer.cpp usql/parser.cpp usql/usql.cpp usql/table.cpp usql/table.h usql/row.cpp usql/csvreader.cpp usql/usql.cpp usql/usql_ddl.cpp usql/usql_dml.cpp usql/usql_function.cpp usql/settings.cpp"
-ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; c++ -o ml -O2 -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl *.o"
+ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; gcc -std=c99 -c -O3 -o linenoise.o clib/linenoise.c"
+ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; c++ -c -O3  -I/usr/local/opt/openssl/include -Iclib -I./ --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp ml_usql.cpp  clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/tcpnet.cpp clib/printf.cpp usql/exception.cpp usql/lexer.cpp usql/parser.cpp usql/usql.cpp usql/table.cpp usql/row.cpp usql/csvreader.cpp usql/usql.cpp usql/usql_ddl.cpp usql/usql_dml.cpp usql/usql_function.cpp usql/settings.cpp"
+ssh -p 5333 root@46.28.109.184 "cd /tmp/mlisp; c++ -o ml -O3 -L/usr/local/lib -L/usr/local/opt/openssl/lib -L/lib/x86_64-linux-gnu -lm -lstdc++ -lcrypto -lssl *.o"
 
 
 echo "Installing new version"