diff --git a/ci-scripts/cls_physim.py b/ci-scripts/cls_physim.py
index e825b2f7bd..33792f6ca4 100644
--- a/ci-scripts/cls_physim.py
+++ b/ci-scripts/cls_physim.py
@@ -183,7 +183,7 @@ class PhySim:
 		mySSH.open(self.eNBIpAddr, self.eNBUserName, self.eNBPassWord)
 		mySSH.command('cd '+self.__workSpacePath,'\$',5)
 		#run and redirect the results to a log file
-		mySSH.command(self.__workSpacePath+'phy_simulators/build/ldpctest ' + self.runargs + ' >> '+self.__runLogFile, '\$', 30)
+		mySSH.command(self.__workSpacePath+'ran_build/build/ldpctest ' + self.runargs + ' >> '+self.__runLogFile, '\$', 30)
 		mySSH.close()
 		#return updated HTML to main
 		lHTML = html.HTMLManagement()
diff --git a/cmake_targets/build_oai b/cmake_targets/build_oai
index 68aef48c6b..2ffc4a7a08 100755
--- a/cmake_targets/build_oai
+++ b/cmake_targets/build_oai
@@ -57,7 +57,7 @@ BUILD_DOXYGEN=0
 BUILD_COVERITY_SCAN=0
 T_TRACER="True"
 DISABLE_HARDWARE_DEPENDENCY="False"
-CMAKE_BUILD_TYPE=""
+CMAKE_BUILD_TYPE="RelWithDebInfo"
 CMAKE_CMD="$CMAKE"
 UE_AUTOTEST_TRACE="False"
 UE_DEBUG_TRACE="False"
@@ -585,15 +585,12 @@ function main() {
   echo_info "3. building the compilation directives ..."
 
   DIR=$OPENAIR_DIR/cmake_targets
-  if [ "$SIMUS_PHY" = "1" -o "$SIMUS_CORE" = "1" ] ; then
-    build_dir=phy_simulators
-  else
-    if [ "$T_TRACER" =  "False" ] ; then
+  if [ "$T_TRACER" =  "False" ] ; then
       build_dir=ran_build_noLOG
-    else
+  else
       build_dir=ran_build  
-    fi
   fi
+
   [ "$CLEAN" = "1" ] && rm -rf $DIR/$build_dir/build
   mkdir -p $DIR/$build_dir/build
 
@@ -742,11 +739,11 @@ function main() {
 	# simlist="ldpctest"
     for f in $simlist ; do
       compilations \
-        phy_simulators $f \
+        ran_build $f \
 	    $f $dbin/$f.$REL
     done
     compilations \
-      phy_simulators coding \
+      ran_build coding \
       libcoding.so $dbin/libcoding.so
 #    compilations \
 #	   lte-simulators $config_libconfig_shlib \
@@ -761,7 +758,7 @@ function main() {
     simlist="secu_knas_encrypt_eia1 secu_kenb aes128_ctr_encrypt aes128_ctr_decrypt secu_knas_encrypt_eea2 secu_knas secu_knas_encrypt_eea1 kdf aes128_cmac_encrypt secu_knas_encrypt_eia2"
     for f in $simlist ; do
       compilations \
-	    phy_simulators test_$f \
+	    ran_build test_$f \
 	    test_$f $dbin/test_$f.$REL
     done
   fi
diff --git a/cmake_targets/install_external_packages.ubuntu20 b/cmake_targets/install_external_packages.ubuntu20
index 0023c8d3c8..ebbfb5ada9 100755
--- a/cmake_targets/install_external_packages.ubuntu20
+++ b/cmake_targets/install_external_packages.ubuntu20
@@ -134,7 +134,6 @@ clean_all_files() {
     rm -rf "$dir"/ran_build/build
     rm -rf "$dir"/ran_build_noLOG/build
     rm -rf "$dir"/lte-simulators/build 
-    rm -rf "$dir"/phy_simulators/build
     rm -rf "$dir"/nas_sim_tools/build 
     rm -rf "$dir"/oaisim_build_oai/build
     rm -rf "$dir"/oaisim_build_oai/CMakeLists.txt
diff --git a/cmake_targets/phy_simulators b/cmake_targets/phy_simulators
new file mode 120000
index 0000000000..2a12e92f3e
--- /dev/null
+++ b/cmake_targets/phy_simulators
@@ -0,0 +1 @@
+ran_build/
\ No newline at end of file
diff --git a/cmake_targets/phy_simulators/CMakeLists.txt b/cmake_targets/phy_simulators/CMakeLists.txt
deleted file mode 100755
index f8c659959f..0000000000
--- a/cmake_targets/phy_simulators/CMakeLists.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-cmake_minimum_required(VERSION 2.8)
-project (OpenAirInterface)
-set ( CMAKE_BUILD_TYPE  )
-set ( CFLAGS_PROCESSOR_USER "" )
-set ( UE_EXPANSION False )
-set ( PRE_SCD_THREAD False )
-set ( ENABLE_VCD_FIFO False )
-set ( RF_BOARD "None")
-set ( TRANSP_PRO "None")
-set ( PACKAGE_NAME "")
-set ( DEADLINE_SCHEDULER "False" )
-set ( CPU_AFFINITY "False" )
-set ( T_TRACER True )
-set ( UE_AUTOTEST_TRACE False )
-set ( UE_DEBUG_TRACE False )
-set ( UE_TIMING_TRACE False )
-set ( USRP_REC_PLAY False )
-set ( SKIP_SHARED_LIB_FLAG False )
-set ( PHYSIM True)
-set ( RU 0)
-include(${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt)
diff --git a/cmake_targets/tools/build_helper b/cmake_targets/tools/build_helper
index 1df7808b0f..ec5de6a0d1 100755
--- a/cmake_targets/tools/build_helper
+++ b/cmake_targets/tools/build_helper
@@ -168,7 +168,7 @@ clean_all_files() {
  rm -rf $dir/log $OPENAIR_DIR/targets/bin/*
  rm -rf $dir/ran_build $dir/ran_build_noLOG
  rm -rf $dir/lte-simulators/build 
- rm -rf $dir/phy_simulators/build $dir/nas_sim_tools/build 
+ rm -rf $dir/nas_sim_tools/build 
  rm -rf $dir/oaisim_build_oai/build $dir/oaisim_build_oai/CMakeLists.txt
  rm -rf $dir/autotests/bin $dir/autotests/log $dir/autotests/*/build
 }
diff --git a/doc/BUILD.md b/doc/BUILD.md
index 40b63ac697..852a248659 100644
--- a/doc/BUILD.md
+++ b/doc/BUILD.md
@@ -60,7 +60,7 @@ cd cmake_targets/
 ./build_oai -I --phy_simulators
 ```
 
-After completing the build, the binaries are available in the cmake_targets/phy_simulators/build directory.  
+After completing the build, the binaries are available in the cmake_targets/ran_build/build directory.  
 A copy is also available in the target/bin directory, with all binaries suffixed by the 3GPP release number, today **.Rel15**.  
 
 
diff --git a/docker/Dockerfile.phySim.rhel8.2 b/docker/Dockerfile.phySim.rhel8.2
index 141a80cb50..9f4b27ec0e 100644
--- a/docker/Dockerfile.phySim.rhel8.2
+++ b/docker/Dockerfile.phySim.rhel8.2
@@ -85,10 +85,10 @@ COPY --from=phy-sim-build \
     /lib64/liblapack.so.3 \
     /lib64/libexslt.so.0 \
     /lib64/libxslt.so.1 \
-    /oai-ran/cmake_targets/phy_simulators/build/libdfts.so \
-    /oai-ran/cmake_targets/phy_simulators/build/libSIMU.so \
-    /oai-ran/cmake_targets/phy_simulators/build/libldpc.so \
-    /oai-ran/cmake_targets/phy_simulators/build/libldpc_orig.so \
+    /oai-ran/cmake_targets/ran_build/build/libdfts.so \
+    /oai-ran/cmake_targets/ran_build/build/libSIMU.so \
+    /oai-ran/cmake_targets/ran_build/build/libldpc.so \
+    /oai-ran/cmake_targets/ran_build/build/libldpc_orig.so \
     /usr/local/lib/
 
 RUN ldconfig