diff --git a/applications/solvers/multiphase/compressibleInterDyMFoam/Make/options b/applications/solvers/multiphase/compressibleInterDyMFoam/Make/options
index 13d31339e4..af146aaa38 100644
--- a/applications/solvers/multiphase/compressibleInterDyMFoam/Make/options
+++ b/applications/solvers/multiphase/compressibleInterDyMFoam/Make/options
@@ -1,5 +1,3 @@
-INTERFOAM = $(FOAM_SOLVERS)/multiphase/interFoam
-
 EXE_INC = \
     -I$(LIB_SRC)/transportModels \
     -I$(LIB_SRC)/transportModels/incompressible/lnInclude \
diff --git a/applications/solvers/multiphase/compressibleInterFoam/Make/options b/applications/solvers/multiphase/compressibleInterFoam/Make/options
index 9412e3e374..0e21fc2d64 100644
--- a/applications/solvers/multiphase/compressibleInterFoam/Make/options
+++ b/applications/solvers/multiphase/compressibleInterFoam/Make/options
@@ -1,5 +1,3 @@
-INTERFOAM = $(FOAM_SOLVERS)/multiphase/interFoam
-
 EXE_INC = \
     -I$(LIB_SRC)/transportModels \
     -I$(LIB_SRC)/transportModels/incompressible/lnInclude \