diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index c55194452f64a8cd35b7decc11f837cee749973e..26bab40da107898d02df0a183498ea3b84af84eb 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -707,7 +707,6 @@ add_boolean_option(RRC_DEFAULT_RAB_IS_AM       False  "Otherwise it is UM, confi
 # PROJECTS (IST, FRENCH COLL., etc)
 # SPECIFIC OPTIONS
 ##########################
-add_boolean_option(SPECTRA False "???")
 add_boolean_option(MIH_C_MEDIEVAL_EXTENSIONS False "EXTENSIONS TO MIH 802.21 IN CONTEXT OF IST PROJECT CALLED MEDIEVAL")
 
 # add the binary tree to the search path for include files
diff --git a/cmake_targets/oaisim_build_oai/CMakeLists.template b/cmake_targets/oaisim_build_oai/CMakeLists.template
index 68fe8b0f1c58759bf81e684cd1ab64b274b77b7c..2cfdf678f66c4bb208a09c830e0461aefec3cf8b 100644
--- a/cmake_targets/oaisim_build_oai/CMakeLists.template
+++ b/cmake_targets/oaisim_build_oai/CMakeLists.template
@@ -57,7 +57,6 @@ set (  RRC_DEFAULT_RAB_IS_AM True)
 set (  RRC_MSG_PRINT False )
 set (  SECU False )
 set (  SMBV False )
-set (  SPECTRA False )
 set (  TEST_OMG False )
 set (  USE_3GPP_ADDR_AS_LINK_ADDR False )
 set (  USE_MME "R10" )
diff --git a/cmake_targets/oaisim_mme_build_oai/CMakeLists.template b/cmake_targets/oaisim_mme_build_oai/CMakeLists.template
index 98ee8a950eb354e18cafcbf02f1b06cf665fec58..ffa3773b8267824be6084eff043b8ba56b9730e0 100644
--- a/cmake_targets/oaisim_mme_build_oai/CMakeLists.template
+++ b/cmake_targets/oaisim_mme_build_oai/CMakeLists.template
@@ -57,7 +57,6 @@ set (  RLC_STOP_ON_LOST_PDU False )
 set (  RRC_MSG_PRINT False )
 set (  SECU False )
 set (  SMBV False )
-set (  SPECTRA False )
 set (  TEST_OMG False )
 set (  UPDATE_RELEASE_9 True)
 set (  UPDATE_RELEASE_10 True)
diff --git a/cmake_targets/oaisim_noS1_build_oai/CMakeLists.template b/cmake_targets/oaisim_noS1_build_oai/CMakeLists.template
index 9067390a0c1539807ab9cf4642bd4330c22748f5..4c1823af142a3cf2d01e4b1ade8d4149f50a9ca9 100644
--- a/cmake_targets/oaisim_noS1_build_oai/CMakeLists.template
+++ b/cmake_targets/oaisim_noS1_build_oai/CMakeLists.template
@@ -58,7 +58,6 @@ set (  RLC_STOP_ON_LOST_PDU False )
 set (  RRC_MSG_PRINT False )
 set (  SECU False )
 set (  SMBV False )
-set (  SPECTRA False )
 set (  TEST_OMG False )
 set (  USE_3GPP_ADDR_AS_LINK_ADDR False )
 set (  USE_MME "R10" )
diff --git a/cmake_targets/s1c_mme_test/CMakeLists.template b/cmake_targets/s1c_mme_test/CMakeLists.template
index f54d35cd46cf590616e8df6fff3ccfebd06409ff..e001997efde0a08c170448531bf8ace9c5d76a75 100644
--- a/cmake_targets/s1c_mme_test/CMakeLists.template
+++ b/cmake_targets/s1c_mme_test/CMakeLists.template
@@ -58,7 +58,6 @@ set (  RRC_DEFAULT_RAB_IS_AM True)
 set (  RRC_MSG_PRINT False )
 set (  SECU False )
 set (  SMBV False )
-set (  SPECTRA False )
 set (  TEST_OMG False )
 
 set (  TEST_S1C_MME True )