diff --git a/sysinfo/os/bsd.mk b/sysinfo/os/bsd.mk
index 61a3a05..67453da 100644
--- a/sysinfo/os/bsd.mk
+++ b/sysinfo/os/bsd.mk
@@ -9,8 +9,6 @@ OS_ARCHIVE_EXT	= .a
 OS_SONAME	= symlink
 OS_BINFMT	= ELF
 
-.PHONY:		$(IMPLIB_DEF) $(IMPLIB_VER) $(IMPLIB_SONAME) $(IMPLIB_SOLINK)
-
 # dso suffix notation
 OS_LIB_PREFIXED_SUFFIX  = $(OS_LIB_SUFFIX)
 OS_LIB_SUFFIXED_SUFFIX  =
diff --git a/sysinfo/os/linux.mk b/sysinfo/os/linux.mk
index fffe324..b9a5f5c 100644
--- a/sysinfo/os/linux.mk
+++ b/sysinfo/os/linux.mk
@@ -9,8 +9,6 @@ OS_ARCHIVE_EXT	= .a
 OS_SONAME	= symlink
 OS_BINFMT	= ELF
 
-.PHONY:		$(IMPLIB_DEF) $(IMPLIB_VER) $(IMPLIB_SONAME) $(IMPLIB_SOLINK)
-
 # dso suffix notation
 OS_LIB_PREFIXED_SUFFIX  = $(OS_LIB_SUFFIX)
 OS_LIB_SUFFIXED_SUFFIX  =