diff --git a/apps/cpu/Applications.cmake b/apps/cpu/Applications.cmake
index 71648d1fd4b83133b022fed9aca97ce34e9c6bce..68dfeb3ed7687da74d49a35337b0bae92798e80d 100644
--- a/apps/cpu/Applications.cmake
+++ b/apps/cpu/Applications.cmake
@@ -11,10 +11,15 @@ add_subdirectory(${APPS_ROOT_CPU}/LaminarTubeFlow)
 add_subdirectory(${APPS_ROOT_CPU}/MultiphaseDropletTest)
 add_subdirectory(${APPS_ROOT_CPU}/RisingBubble2D)
 add_subdirectory(${APPS_ROOT_CPU}/JetBreakup)
-add_subdirectory(${APPS_ROOT_CPU}/LiggghtsApp)
-add_subdirectory(${APPS_ROOT_CPU}/FallingSphere)
-add_subdirectory(${APPS_ROOT_CPU}/Nozzle)
+
 add_subdirectory(${APPS_ROOT_CPU}/ConvectionOfVortex)
+
+IF(${USE_LIGGGHTS})
+	add_subdirectory(${APPS_ROOT_CPU}/LiggghtsApp)
+	add_subdirectory(${APPS_ROOT_CPU}/FallingSphere)
+	add_subdirectory(${APPS_ROOT_CPU}/Nozzle)
+ENDIF()
+
 #add_subdirectory(tests)
 #add_subdirectory(Applications/gridRf)
 #add_subdirectory(Applications/greenvortex)
diff --git a/apps/cpu/JetBreakup/JetBreakup.cpp b/apps/cpu/JetBreakup/JetBreakup.cpp
index 03c1d34c4ea67a2a7a5440d1fce4fe3affcaddf5..01d4cc3eb5b7d46118d40bc5fbb98b16e57d82eb 100644
--- a/apps/cpu/JetBreakup/JetBreakup.cpp
+++ b/apps/cpu/JetBreakup/JetBreakup.cpp
@@ -153,7 +153,7 @@ void run(string configname)
 
         // LBMReal dLB = 0; // = length[1] / dx;
         LBMReal rhoLB = 0.0;
-        LBMReal nuLB = nu_l; //(uLB*dLB) / Re;
+        //LBMReal nuLB = nu_l; //(uLB*dLB) / Re;
 
         double beta = 12.0 * sigma_LB / interfaceWidth;
         double kappa = 1.5 * interfaceWidth * sigma_LB;
diff --git a/apps/cpu/RisingBubble2D/RisingBubble2D.cpp b/apps/cpu/RisingBubble2D/RisingBubble2D.cpp
index 4483533409cffc74605cf737211401c9465231d5..19677aac71768b7cc0a5acba13e06c22dd6f4658 100644
--- a/apps/cpu/RisingBubble2D/RisingBubble2D.cpp
+++ b/apps/cpu/RisingBubble2D/RisingBubble2D.cpp
@@ -95,7 +95,7 @@ void run(string configname)
         LBMReal D  = 2.0*radius;
 
         //density retio
-        LBMReal r_rho = densityRatio;
+        //LBMReal r_rho = densityRatio;
 
         //density of heavy fluid
         LBMReal rho_h = 1.0;