diff --git a/CMakeLists.txt b/CMakeLists.txt
index 891b924..443fb3a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 ######################################################
 # cmake file for building LCCD
 # @author Jan Engels, DESY
-CMAKE_MINIMUM_REQUIRED( VERSION 2.6 FATAL_ERROR )
+CMAKE_MINIMUM_REQUIRED( VERSION 3.10 FATAL_ERROR )
 ######################################################
 
 
diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index 5a708e3..ef67935 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -8,11 +8,6 @@ INCLUDE_DIRECTORIES( BEFORE "${PROJECT_SOURCE_DIR}/source/include" )
 INCLUDE_DIRECTORIES( ${PROJECT_BINARY_DIR} )
 
 
-# omit warning about preprocessor definitions being escaped
-IF(COMMAND CMAKE_POLICY)
-    CMAKE_POLICY(SET CMP0005 OLD)
-ENDIF()
-
 # specific LCCD variable
 IF( NOT LCCD_DB_INIT )
     SET( LCCD_DB_INIT "localhost:lccd_test:calvin:hobbes" )
@@ -24,7 +19,7 @@ SET( LCCD_DB_INIT "${LCCD_DB_INIT}" CACHE STRING "DB initialization" FORCE )
 #----- need long long for int64 for now ------
 #FIXME: should establish wether we are on a 32bit or 64 bit machine ....
 #ADD_DEFINITIONS( "-Wno-long-long" )
-ADD_DEFINITIONS( "-DLCCD_DB_INIT_DEFAULT=\\\"${LCCD_DB_INIT}\\\"" )
+ADD_DEFINITIONS( "-DLCCD_DB_INIT_DEFAULT=\"${LCCD_DB_INIT}\"" )
 
 
 FILE( GLOB lccd_headers RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "./include/lccd/*.h?" )