diff --git a/configure/os/CONFIG.darwin-ppc.darwin-ppc b/configure/os/CONFIG.darwin-ppc.darwin-ppc
index fff1a4b28..58c6102f1 100644
--- a/configure/os/CONFIG.darwin-ppc.darwin-ppc
+++ b/configure/os/CONFIG.darwin-ppc.darwin-ppc
@@ -25,8 +25,6 @@ SHRLIB_SUFFIX = .$(EPICS_VERSION).$(EPICS_REVISION).$(EPICS_MODIFICATION).dylib
 SHRLIB_VERSION = $(EPICS_VERSION).$(EPICS_REVISION).$(EPICS_MODIFICATION)
 
 LOADABLE_SHRLIB_LDFLAGS = -bundle -flat_namespace -undefined suppress
-LOADABLE_SHRLIB_SUFFIX = .so
-LOADABLE_SHRLIB_PREFIX = lib
 
 #
 # Position-independent code is the default on Darwin.