diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index e81051171a6bb4e7deccd73c45ea3f01e3ec41c4..d300c6702f6a6ba179db6e08b5b052a3345f85dc 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -476,9 +476,9 @@ add_boolean_option(PHY_EMUL                False "not clear: must remain False f
 add_boolean_option(PUCCH                   True "????")
 add_boolean_option(RANDOM_BF               False "????")
 add_boolean_option(SMBV                    False "Rohde&Schwarz SMBV100A vector signal generator")
-add_boolean_option(DEBUG_PHY               True "Enable PHY layer debugging options")
-add_boolean_option(DEBUG_PHY_PROC          True "Enable debugging of PHY layer procedures")
-add_boolean_option(DEBUG_DLSCH             True "Enable debugging of DLSCH physical layer channel")
+add_boolean_option(DEBUG_PHY               False "Enable PHY layer debugging options")
+add_boolean_option(DEBUG_PHY_PROC          False "Enable debugging of PHY layer procedures")
+add_boolean_option(DEBUG_DLSCH             False "Enable debugging of DLSCH physical layer channel")
 
 ##########################
 # 802.21 options