diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index da90efdaee12beea8c66f641adf7e9d119395c1b..b5279de5e207269d51df582327aead9b2d7a6d52 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -621,7 +621,7 @@ add_boolean_option(MESSAGE_CHART_GENERATOR False         "For generating sequenc
 add_boolean_option(MESSAGE_CHART_GENERATOR_RLC_MAC False "trace RLC-MAC exchanges in sequence diagrams")
 add_boolean_option(MESSAGE_CHART_GENERATOR_PHY     False "trace some PHY exchanges in sequence diagrams")
 
-add_boolean_option(FLEXRAN_AGENT_SB_IF             True         "enable FlexRAN agent to inteface with a SDN contrller")
+add_boolean_option(FLEXRAN_AGENT_SB_IF             False         "enable FlexRAN agent to inteface with a SDN controller")
 
 ########################
 # Include order
@@ -1185,10 +1185,17 @@ set (MAC_SRC
   ${MAC_DIR}/eNB_scheduler_RA.c
   ${MAC_DIR}/pre_processor.c
   ${MAC_DIR}/config.c
+ )
+
+if (FLEXRAN_AGENT_SB_IF)
+
+set (MAC_SRC ${MAC_SRC}
   ${MAC_DIR}/flexran_agent_scheduler_dlsch_ue.c
   ${MAC_DIR}/flexran_agent_scheduler_dataplane.c
   ${MAC_DIR}/flexran_agent_scheduler_dlsch_ue_remote.c
- )
+)
+
+endif()
 
 set (ENB_APP_SRC
   ${OPENAIR2_DIR}/ENB_APP/enb_app.c
@@ -1201,10 +1208,14 @@ add_library(L2
   ${ENB_APP_SRC})
 #  ${OPENAIR2_DIR}/RRC/L2_INTERFACE/openair_rrc_L2_interface.c)
 
+if (FLEXRAN_AGENT_SB_IF)
+
 #Test for adding a shared library
 add_library(default_sched SHARED ${MAC_DIR}/flexran_agent_scheduler_dlsch_ue.c)
 add_library(remote_sched SHARED ${MAC_DIR}/flexran_agent_scheduler_dlsch_ue_remote.c)
 
+endif()
+
 # L3 Libs
 ##########################
 
diff --git a/cmake_targets/build_oai b/cmake_targets/build_oai
index b77a9baa566252bef3498d6ebc79a4918b704bbc..25e9a1ccc8537f04b6bc46924301dbc591c30656 100755
--- a/cmake_targets/build_oai
+++ b/cmake_targets/build_oai
@@ -35,6 +35,7 @@ source $THIS_SCRIPT_PATH/tools/build_helper
 
 MSC_GEN="False"
 XFORMS="True"
+FLEXRAN_AGENT_SB_IF="True"
 PRINT_STATS="False"
 VCD_TIMING="False"
 DEADLINE_SCHEDULER_FLAG_USER="False"
@@ -83,6 +84,8 @@ Options
    Makes the UE specific parts (ue_ip, usim, nvram) 
 --RRH
    Makes the RRH
+-a | --agent
+   Enables agent for software-defined control of the eNB
 -r | --3gpp-release
    default is Rel10,
    Rel8 limits the implementation to 3GPP Release 8 version
@@ -169,6 +172,10 @@ function main() {
             eNB=1
             echo_info "Will compile eNB"
             shift;;
+       -a | --agent)
+	    FLEXRAN_AGENT=1
+	    echo_info "Will compile eNB with agent support"
+	    shift;;
        --UE)
             UE=1
             echo_info "Will compile UE"
@@ -439,6 +446,9 @@ function main() {
     echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
     echo "set ( CFLAGS_PROCESSOR_USER \"$CFLAGS_PROCESSOR_USER\" )" >>  $cmake_file
     echo "set ( XFORMS $XFORMS )"                  >>  $cmake_file
+    if [ "$FLEXRAN_AGENT" = "1" ] ; then
+	echo "set ( FLEXRAN_AGENT_SB_IF $FLEXRAN_AGENT_SB_IF )"      >>  $cmake_file
+    fi
     echo "set ( RRC_ASN1_VERSION \"${REL}\")"      >>  $cmake_file
     echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )"     >>  $cmake_file
     echo "set ( RF_BOARD \"${HW}\")"               >>  $cmake_file
@@ -581,6 +591,9 @@ function main() {
     echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
     echo "set ( CFLAGS_PROCESSOR_USER \"$CFLAGS_PROCESSOR_USER\" )" >>  $cmake_file
     echo "set ( XFORMS $XFORMS )" >>  $cmake_file
+    if [ "$FLEXRAN_AGENT" = "1" ] ; then
+	echo "set ( FLEXRAN_AGENT_SB_IF $FLEXRAN_AGENT_SB_IF )"      >>  $cmake_file
+    fi
     echo "set ( PRINT_STATS $PRINT_STATS )" >>  $cmake_file
     echo "set ( RRC_ASN1_VERSION \"${REL}\")" >>  $cmake_file
     echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )" >>  $cmake_file
@@ -649,6 +662,9 @@ function main() {
     cp $DIR/oaisim_mme_build_oai/CMakeLists.template $cmake_file
     echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
     echo "set ( XFORMS $XFORMS )" >>  $cmake_file
+    if [ "$FLEXRAN_AGENT" = "1" ] ; then
+	echo "set ( FLEXRAN_AGENT_SB_IF $FLEXRAN_AGENT_SB_IF )"      >>  $cmake_file
+    fi
     echo "set ( RRC_ASN1_VERSION \"${REL}\")" >>  $cmake_file
     echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )" >>  $cmake_file
     echo "set ( T_TRACER $T_TRACER )"        >>  $cmake_file