diff --git a/math/arpack/Makefile b/math/arpack/Makefile
index 28cf5f245f40..36198b30f717 100644
--- a/math/arpack/Makefile
+++ b/math/arpack/Makefile
@@ -52,7 +52,6 @@ F77=		gfortran42
 WRKSRC=		${WRKDIR}/ARPACK
 WRKSRC_SHARED=	${WRKDIR}/ARPACK_SHARED
 FFLAGS_SHARED=	${FFLAGS} ${PICFLAG}
-CONFLICTS=	elmer-mathlibs-1*
 USE_LDCONFIG=	yes
 
 pre-patch:
diff --git a/math/atlas-devel/Makefile b/math/atlas-devel/Makefile
index ec64938b9076..e0fd81f1fdc7 100644
--- a/math/atlas-devel/Makefile
+++ b/math/atlas-devel/Makefile
@@ -22,8 +22,6 @@ COMMENT=	Development version of math/atlas
 
 NO_PACKAGE=	Optimizes for the local machine, so a package is not generally useful.  Set FORCE_PACKAGE to override
 
-CONFLICTS=	elmer-mathlibs-1*
-
 USE_BZIP2=	yes
 USE_GMAKE=	yes
 WRKSRC=		${WRKDIR}/ATLAS
diff --git a/math/atlas/Makefile b/math/atlas/Makefile
index 60be7015ca7b..864d2f44bae9 100644
--- a/math/atlas/Makefile
+++ b/math/atlas/Makefile
@@ -22,8 +22,6 @@ COMMENT=	Automatically Tuned Linear Algebra Software (ATLAS)
 
 NO_PACKAGE=	Optimizes for the local machine, so a package is not generally useful.  Set FORCE_PACKAGE to override
 
-CONFLICTS=	elmer-mathlibs-1*
-
 USE_BZIP2=	yes
 USE_GMAKE=	yes
 WRKSRC=		${WRKDIR}/ATLAS
diff --git a/math/blas/Makefile b/math/blas/Makefile
index df5e28e829d9..17dda71b6338 100644
--- a/math/blas/Makefile
+++ b/math/blas/Makefile
@@ -18,8 +18,6 @@ EXTRACT_SUFX=	.tgz
 MAINTAINER=	stas@FreeBSD.org
 COMMENT=	Basic Linear Algebra, level 1, 2, and 3
 
-CONFLICTS=	elmer-mathlibs-1*
-
 USE_LDCONFIG=	yes
 NO_WRKSUBDIR=	yes
 WANT_FORTRAN=	yes
diff --git a/math/lapack/Makefile b/math/lapack/Makefile
index ebbc0a496efb..463a17cff71c 100644
--- a/math/lapack/Makefile
+++ b/math/lapack/Makefile
@@ -20,8 +20,6 @@ LIB_DEPENDS=	blas.2:${PORTSDIR}/math/blas
 WANT_FORTRAN=	yes
 USE_GCC=	4.2+
 
-CONFLICTS=	elmer-mathlibs-1*
-
 DIST_SUBDIR=	lapack
 
 INSTALLS_SHLIB=	yes
diff --git a/math/scalapack/Makefile b/math/scalapack/Makefile
index 71e0de44129a..458fd974adf1 100644
--- a/math/scalapack/Makefile
+++ b/math/scalapack/Makefile
@@ -25,8 +25,6 @@ COMMENT=	The ScaLAPACK Scalable LAPACK library
 BUILD_DEPENDS=	${LOCALBASE}/lib/libblacs.a:${PORTSDIR}/math/blacs \
 		${LOCALBASE}/bin/f2c:${PORTSDIR}/lang/f2c
 
-CONFLICTS=	elmer-mathlibs-1*
-
 WANT_FORTRAN=	yes #dummy but future use
 BUILD_DEPENDS+=	gfortran42:${PORTSDIR}/lang/gcc42
 FC=		gfortran42