diff --git a/src/Makevars b/src/Makevars
index 27a1867..7efad75 100644
--- a/src/Makevars
+++ b/src/Makevars
@@ -22,7 +22,7 @@ SOURCES = $(SOURCES1) $(SOURCES3)
 
 OBJECTS = $(SOURCES:.cpp=.o)
 
-PKG_CPPFLAGS = -I. -Igropt/incl/ -Ifdaqmap/incl/ -Wall
+PKG_CPPFLAGS = -I. -Igropt/incl/ -Ifdaqmap/incl/
 PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS)
 
 CXX_STD = CXX11