diff --git a/inst/com/Makefile.am b/inst/com/Makefile.am
index 96b5a03..691ec32 100644
--- a/inst/com/Makefile.am
+++ b/inst/com/Makefile.am
@@ -37,7 +37,7 @@ caldb_irfs = caldb/data/cgro/comptel/bcf/u47512_iaq.fits.gz \
 # Build libtool library
 noinst_LTLIBRARIES = libcom.la
 libcom_la_SOURCES = $(sources)
-libcom_la_LDFLAGS = -version-info $(GAMMALIB_LT_VERSION)
+libcom_la_LDFLAGS =
 
 # Distribute calibration database files
 EXTRA_DIST     = $(caldb_indx) $(caldb_irfs)
diff --git a/inst/cta/Makefile.am b/inst/cta/Makefile.am
index c8be2a6..5774afc 100644
--- a/inst/cta/Makefile.am
+++ b/inst/cta/Makefile.am
@@ -110,7 +110,7 @@ pkginclude_HEADERS = include/GCTATypemaps.hpp \
 # Build libtool library
 noinst_LTLIBRARIES = libcta.la
 libcta_la_SOURCES = $(sources)
-libcta_la_LDFLAGS = -version-info $(GAMMALIB_LT_VERSION)
+libcta_la_LDFLAGS =
 
 # Distribute calibration database files
 #EXTRA_DIST     = $(caldb_pinx) $(caldb_perf) $(caldb_indx) $(caldb_irf1) $(caldb_irf2)
diff --git a/inst/lat/Makefile.am b/inst/lat/Makefile.am
index 2eece5e..b09ed3b 100644
--- a/inst/lat/Makefile.am
+++ b/inst/lat/Makefile.am
@@ -112,7 +112,7 @@ caldb_psf   = caldb/data/glast/lat/bcf/psf/psf_P6_v3_diff_front.fits \
 # Build libtool library
 noinst_LTLIBRARIES = liblat.la
 liblat_la_SOURCES = $(sources)
-liblat_la_LDFLAGS = -version-info $(GAMMALIB_LT_VERSION)
+liblat_la_LDFLAGS =
 
 # Distribute calibration database files
 EXTRA_DIST      = $(caldb_indx) $(caldb_add) $(caldb_ea) $(caldb_edisp) $(caldb_psf)
diff --git a/inst/mwl/Makefile.am b/inst/mwl/Makefile.am
index bbc3203..3a9e721 100644
--- a/inst/mwl/Makefile.am
+++ b/inst/mwl/Makefile.am
@@ -25,4 +25,4 @@ pkginclude_HEADERS = include/GMWLException.hpp \
 # Build libtool library
 noinst_LTLIBRARIES = libmwl.la
 libmwl_la_SOURCES = $(sources)
-libmwl_la_LDFLAGS = -version-info $(GAMMALIB_LT_VERSION)
+libmwl_la_LDFLAGS =