diff --git a/icc-scram.spec b/icc-scram.spec
deleted file mode 100644
index 22b4d6bc750..00000000000
--- a/icc-scram.spec
+++ /dev/null
@@ -1,9 +0,0 @@
-### RPM cms icc-scram 2018.0.128
-## NOCOMPILER
-Requires: icc-provides
-%prep
-%build
-%install
-cd %i
-ln -s /cvmfs/projects.cern.ch/intelsw/psxe/linux/x86_64/2018/compilers_and_libraries_%{realversion}/linux installation
-ln -s /cvmfs/projects.cern.ch/intelsw/psxe/linux/x86_64/2018/compilers_and_libraries_%{realversion}/linux ifort
diff --git a/lcg-dummy.spec b/lcg-dummy.spec
deleted file mode 100644
index cfd0750c0ba..00000000000
--- a/lcg-dummy.spec
+++ /dev/null
@@ -1,6 +0,0 @@
-### RPM lcg lcg-dummy 1
-Source: none
-
-%prep
-%build
-%install
diff --git a/libatomic_ops.spec b/libatomic_ops.spec
deleted file mode 100644
index d8d5f15ca9b..00000000000
--- a/libatomic_ops.spec
+++ /dev/null
@@ -1,11 +0,0 @@
-### RPM external libatomic_ops 7.4.0
-Source0: http://www.hpl.hp.com/research/linux/atomic_ops/download/%{n}-%{realversion}.tar.gz
-%prep
-%setup -b 0 -n %{n}-%{realversion}
-
-%build
-./configure --prefix=%{i}
-make %{makeprocesses} install
-
-%install
-%define drop_files %{i}/share/man
diff --git a/libffi-3.2.1-fix-include-path.patch b/libffi-3.2.1-fix-include-path.patch
deleted file mode 100644
index 56d1131ade1..00000000000
--- a/libffi-3.2.1-fix-include-path.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-diff --git a/include/Makefile.am b/include/Makefile.am
-index fd28024..8090684 100644
---- a/include/Makefile.am
-+++ b/include/Makefile.am
-@@ -5,5 +5,5 @@ AUTOMAKE_OPTIONS=foreign
- DISTCLEANFILES=ffitarget.h
- EXTRA_DIST=ffi.h.in ffi_common.h
- 
--includesdir = $(libdir)/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
-+includesdir = $(includedir)/
- nodist_includes_HEADERS = ffi.h ffitarget.h
-diff --git a/include/Makefile.in b/include/Makefile.in
-index 9d747e8..b1c939e 100644
---- a/include/Makefile.in
-+++ b/include/Makefile.in
-@@ -314,7 +314,7 @@ top_srcdir = @top_srcdir@
- AUTOMAKE_OPTIONS = foreign
- DISTCLEANFILES = ffitarget.h
- EXTRA_DIST = ffi.h.in ffi_common.h
--includesdir = $(libdir)/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
-+includesdir = $(includedir)/
- nodist_includes_HEADERS = ffi.h ffitarget.h
- all: all-am
- 
-diff --git a/libffi.pc.in b/libffi.pc.in
-index edf6fde..6fad83b 100644
---- a/libffi.pc.in
-+++ b/libffi.pc.in
-@@ -2,7 +2,7 @@ prefix=@prefix@
- exec_prefix=@exec_prefix@
- libdir=@libdir@
- toolexeclibdir=@toolexeclibdir@
--includedir=${libdir}/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
-+includedir=@includedir@
- 
- Name: @PACKAGE_NAME@
- Description: Library supporting Foreign Function Interfaces
diff --git a/libunwind-fix-comma.patch b/libunwind-fix-comma.patch
deleted file mode 100644
index 5d1dfd10a3d..00000000000
--- a/libunwind-fix-comma.patch
+++ /dev/null
@@ -1,52 +0,0 @@
-diff --git a/include/libunwind-aarch64.h b/include/libunwind-aarch64.h
-index 85812e1..18e47d6 100644
---- a/include/libunwind-aarch64.h
-+++ b/include/libunwind-aarch64.h
-@@ -154,7 +154,7 @@ typedef enum
- 
-     UNW_TDEP_IP = UNW_AARCH64_X30,
-     UNW_TDEP_SP = UNW_AARCH64_SP,
--    UNW_TDEP_EH = UNW_AARCH64_X0,
-+    UNW_TDEP_EH = UNW_AARCH64_X0
- 
-   }
- aarch64_regnum_t;
-diff --git a/include/libunwind-common.h.in b/include/libunwind-common.h.in
-index 8d96ddc..6cc2bb6 100644
---- a/include/libunwind-common.h.in
-+++ b/include/libunwind-common.h.in
-@@ -88,7 +88,7 @@ unw_caching_policy_t;
- 
- typedef enum
-   {
--    UNW_INIT_SIGNAL_FRAME = 1,          /* We know this is a signal frame */
-+    UNW_INIT_SIGNAL_FRAME = 1          /* We know this is a signal frame */
-   }
- unw_init_local2_flags_t;
- 
-diff --git a/include/libunwind-dynamic.h b/include/libunwind-dynamic.h
-index edb0bbd..c902ccd 100644
---- a/include/libunwind-dynamic.h
-+++ b/include/libunwind-dynamic.h
-@@ -77,7 +77,7 @@ typedef enum
-     UNW_INFO_FORMAT_TABLE,              /* unw_dyn_table_t */
-     UNW_INFO_FORMAT_REMOTE_TABLE,       /* unw_dyn_remote_table_t */
-     UNW_INFO_FORMAT_ARM_EXIDX,          /* ARM specific unwind info */
--    UNW_INFO_FORMAT_IP_OFFSET,          /* Like UNW_INFO_FORMAT_REMOTE_TABLE, but
-+    UNW_INFO_FORMAT_IP_OFFSET           /* Like UNW_INFO_FORMAT_REMOTE_TABLE, but
-                                            table entries are considered
-                                            relative to di->start_ip, rather
-                                            than di->segbase */
-diff --git a/configure.ac b/configure.ac
-index c8d68f7..6f7e9dc 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -207,7 +207,7 @@ AM_CONDITIONAL(USE_DWARF, [test x$use_dwarf = xyes])
- AC_MSG_RESULT([$use_dwarf])
- 
- if test x$target_arch = xppc64; then
--        libdir='${exec_prefix}/lib64'
-+        libdir='${exec_prefix}/lib'
-         AC_MSG_NOTICE([PowerPC64 detected, lib will be installed ${libdir}]);
-         AC_SUBST([libdir])
- fi