diff --git a/CMakeLists.txt b/CMakeLists.txt
index 08fb9ca..34f1898 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,16 +76,6 @@ IF(ENABLE_DIGITAL_LAB)
 ADD_DEFINITIONS(
     -DENABLE_DIGITAL_LAB=1
 )
-IF(MSVC)
-    SET (ENABLE_LIQUID_EXPERIMENTAL OFF CACHE BOOL "Enable experimental liquid-dsp features (requires latest liquid-dsp installed)")
-ELSE()
-    SET (ENABLE_LIQUID_EXPERIMENTAL ON CACHE BOOL "Enable experimental liquid-dsp features (requires latest liquid-dsp installed)")
-ENDIF()
-IF(ENABLE_LIQUID_EXPERIMENTAL)
-ADD_DEFINITIONS(
-    -DENABLE_LIQUID_EXPERIMENTAL=1
-)
-ENDIF()
 ENDIF()
 
 set(USE_HAMLIB OFF CACHE BOOL "Support hamlib for radio control functions.")
@@ -385,13 +375,8 @@ IF(ENABLE_DIGITAL_LAB)
         src/modules/modem/digital/ModemSQAM.cpp
         src/modules/modem/digital/ModemQAM.cpp
         src/modules/modem/digital/ModemQPSK.cpp
-    )
-    IF(ENABLE_LIQUID_EXPERIMENTAL)
-    SET (cubicsdr_sources
-        ${cubicsdr_sources}
         src/modules/modem/digital/ModemFSK.cpp
     )
-    ENDIF()
 ENDIF()
 
 SET (cubicsdr_headers
@@ -506,13 +491,8 @@ SET (cubicsdr_headers
     src/modules/modem/digital/ModemSQAM.h
     src/modules/modem/digital/ModemQAM.h
     src/modules/modem/digital/ModemQPSK.h
+    src/modules/modem/digital/ModemFSK.h
 )    
-IF(ENABLE_LIQUID_EXPERIMENTAL)
-    SET (cubicsdr_sources
-        ${cubicsdr_sources}
-        src/modules/modem/digital/ModemFSK.h
-    )
-ENDIF()
 ENDIF()
 
 
diff --git a/src/CubicSDR.cpp b/src/CubicSDR.cpp
index 23c8705..522fd3b 100644
--- a/src/CubicSDR.cpp
+++ b/src/CubicSDR.cpp
@@ -270,9 +270,7 @@ bool CubicSDR::OnInit() {
     Modem::addModemFactory(ModemASK::factory, "ASK", 200000);
     Modem::addModemFactory(ModemBPSK::factory, "BPSK", 200000);
     Modem::addModemFactory(ModemDPSK::factory, "DPSK", 200000);
-#if ENABLE_LIQUID_EXPERIMENTAL
     Modem::addModemFactory(ModemFSK::factory, "FSK", 19200);
-#endif
     Modem::addModemFactory(ModemGMSK::factory, "GMSK", 19200);
     Modem::addModemFactory(ModemOOK::factory, "OOK", 200000);
     Modem::addModemFactory(ModemPSK::factory, "PSK", 200000);
diff --git a/src/CubicSDR.h b/src/CubicSDR.h
index cd2e63e..35136bd 100644
--- a/src/CubicSDR.h
+++ b/src/CubicSDR.h
@@ -44,9 +44,7 @@
 #include "ModemASK.h"
 #include "ModemBPSK.h"
 #include "ModemDPSK.h"
-#if ENABLE_LIQUID_EXPERIMENTAL
 #include "ModemFSK.h"
-#endif
 #include "ModemGMSK.h"
 #include "ModemOOK.h"
 #include "ModemPSK.h"