diff --git a/CMakeLists.txt b/CMakeLists.txt
index 68c5ddb0c..9d7513d62 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -318,7 +318,7 @@ set(GNSSSDR_GNURADIO_MIN_VERSION "3.7.3")
 set(GNSSSDR_BOOST_MIN_VERSION "1.45")
 set(GNSSSDR_PYTHON_MIN_VERSION "2.7")
 set(GNSSSDR_MAKO_MIN_VERSION "0.4.2")
-set(GNSSSDR_ARMADILLO_MIN_VERSION "4.200.0")
+set(GNSSSDR_ARMADILLO_MIN_VERSION "5.300.0")
 set(GNSSSDR_MATIO_MIN_VERSION "1.5.3")
 
 
diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt
index 82f4e97d9..c43b47a07 100644
--- a/src/tests/CMakeLists.txt
+++ b/src/tests/CMakeLists.txt
@@ -351,9 +351,6 @@ include_directories(
 # Unit testing
 ################################################################################
 if(ENABLE_UNIT_TESTING)
-    if( ${ARMADILLO_VERSION_STRING} STRGREATER "5.300")  # make sure interp1 is present
-        add_definitions(-DMODERN_ARMADILLO)
-    endif( ${ARMADILLO_VERSION_STRING} STRGREATER "5.300")
     add_executable(run_tests ${CMAKE_CURRENT_SOURCE_DIR}/test_main.cc)
 
     target_link_libraries(run_tests ${CLANG_FLAGS}
diff --git a/src/tests/test_main.cc b/src/tests/test_main.cc
index ed4f0f4ea..0a9a9d2b0 100644
--- a/src/tests/test_main.cc
+++ b/src/tests/test_main.cc
@@ -146,12 +146,10 @@ DECLARE_string(log_dir);
 #include "unit-tests/signal-processing-blocks/acquisition/gps_l2_m_pcps_acquisition_test.cc"
 #include "unit-tests/signal-processing-blocks/acquisition/glonass_l1_ca_pcps_acquisition_test.cc"
 #include "unit-tests/signal-processing-blocks/tracking/gps_l2_m_dll_pll_tracking_test.cc"
-#if MODERN_ARMADILLO
 #include "unit-tests/signal-processing-blocks/tracking/gps_l1_ca_dll_pll_tracking_test.cc"
 #include "unit-tests/signal-processing-blocks/telemetry_decoder/gps_l1_ca_telemetry_decoder_test.cc"
 #include "unit-tests/signal-processing-blocks/observables/hybrid_observables_test.cc"
 #endif
-#endif
 
 #include "unit-tests/system-parameters/glonass_gnav_ephemeris_test.cc"
 #include "unit-tests/system-parameters/glonass_gnav_nav_message_test.cc"