diff --git a/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayMany2Many/library/Makefile.fedora_fpic b/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayMany2Many/library/Makefile.fedora_fpic
index b2c8df9c..9b399d29 100644
--- a/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayMany2Many/library/Makefile.fedora_fpic
+++ b/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayMany2Many/library/Makefile.fedora_fpic
@@ -6,7 +6,7 @@ SHELL = /bin/sh
 
 CC =		mpic++
 CCFLAGS =	-O2 -fPIC \
-		 -funroll-loops -fstrict-aliasing -Wall -Wextra -Wno-unused-result -Wno-literal-suffix
+		 -funroll-loops -fstrict-aliasing -Wall -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-literal-suffix
 DEPFLAGS =	-M
 LINK =		mpic++
 LINKFLAGS =	-O -fPIC