diff --git a/config/rules.mk b/config/rules.mk
index ca2a58f3d4e9..e40e1792b5d2 100644
--- a/config/rules.mk
+++ b/config/rules.mk
@@ -863,9 +863,6 @@ endif	# WINNT && !GCC
 ifdef ENABLE_STRIP
 	$(STRIP) $(STRIP_FLAGS) $@
 endif
-ifdef MOZ_POST_DSO_LIB_COMMAND
-	$(MOZ_POST_DSO_LIB_COMMAND) $@
-endif
 
 ifeq ($(SOLARIS_SUNPRO_CC),1)
 _MDDEPFILE = $(MDDEPDIR)/$(@F).pp
diff --git a/configure.in b/configure.in
index bef32fce9faa..d74d2f43ec83 100644
--- a/configure.in
+++ b/configure.in
@@ -8475,7 +8475,6 @@ AC_SUBST(USE_DEPENDENT_LIBS)
 
 AC_SUBST(MOZ_BUILD_ROOT)
 
-AC_SUBST(MOZ_POST_DSO_LIB_COMMAND)
 AC_SUBST(MOZ_POST_PROGRAM_COMMAND)
 AC_SUBST(MOZ_LINKER_EXTRACT)
 
diff --git a/js/src/configure.in b/js/src/configure.in
index d6a80a99a727..fa85cf44588a 100644
--- a/js/src/configure.in
+++ b/js/src/configure.in
@@ -3467,7 +3467,6 @@ AC_SUBST(USE_DEPENDENT_LIBS)
 
 AC_SUBST(MOZ_BUILD_ROOT)
 
-AC_SUBST(MOZ_POST_DSO_LIB_COMMAND)
 AC_SUBST(MOZ_POST_PROGRAM_COMMAND)
 
 AC_SUBST(MOZ_APP_NAME)