diff --git a/lib/misc/bitstring.c b/lib/misc/bitstring.c
index 5372626..d1ff0fd 100644
--- a/lib/misc/bitstring.c
+++ b/lib/misc/bitstring.c
@@ -563,5 +563,4 @@ void elk_init_lib_bitstring() {
     Def_Prim(P_Bitstring_Xor,    "bitstring-xor!",              2, 2, EVAL);
     Def_Prim(P_Substring_Move,   "bitstring-substring-move!",   5, 5, EVAL);
     P_Provide (Intern ("bitstring.so"));
-    P_Provide (Intern ("bitstring.o"));
 }
diff --git a/lib/misc/gdbm.c b/lib/misc/gdbm.c
index a7fe083..0f7a634 100644
--- a/lib/misc/gdbm.c
+++ b/lib/misc/gdbm.c
@@ -288,5 +288,4 @@ void elk_init_lib_gdbm () {
         sizeof (struct S_gdbm_fh), Gdbm_fh_Equal, Gdbm_fh_Equal,
         Gdbm_fh_Print, NOFUNC);
     P_Provide (Intern ("gdbm.so"));
-    P_Provide (Intern ("gdbm.o"));
 }
diff --git a/lib/misc/hack.c b/lib/misc/hack.c
index fad0b65..5998867 100644
--- a/lib/misc/hack.c
+++ b/lib/misc/hack.c
@@ -41,5 +41,4 @@ void elk_init_lib_hack () {
     Define_Primitive (P_Hack_Procedure_Environment,
         "hack-procedure-environment!", 2, 2, EVAL);
     P_Provide (Intern ("hack.so"));
-    P_Provide (Intern ("hack.o"));
 }
diff --git a/lib/misc/record.c b/lib/misc/record.c
index a0b61a4..89d9397 100644
--- a/lib/misc/record.c
+++ b/lib/misc/record.c
@@ -169,5 +169,4 @@ void elk_init_lib_record () {
     Def_Prim (P_Record_Values,    "record-values",            1, 1, EVAL);
     Def_Prim (P_Make_Record,      "make-record",              2, 2, EVAL);
     P_Provide (Intern ("record.so"));
-    P_Provide (Intern ("record.o"));
 }
diff --git a/lib/misc/regexp.c b/lib/misc/regexp.c
index d815514..3aabb45 100644
--- a/lib/misc/regexp.c
+++ b/lib/misc/regexp.c
@@ -250,5 +250,4 @@ void elk_init_lib_regexp() {
     P_Provide(Intern(":regular-expressions"));
 #endif
     P_Provide(Intern ("regexp.so"));
-    P_Provide(Intern ("regexp.o"));
 }
diff --git a/lib/misc/struct.c b/lib/misc/struct.c
index 717df34..1ad570f 100644
--- a/lib/misc/struct.c
+++ b/lib/misc/struct.c
@@ -139,5 +139,4 @@ void elk_init_lib_struct () {
     Define_Primitive (P_Structure_Set,    "structure-set!",   4, 4, EVAL);
     Define_Primitive (P_Make_Structure,   "make-structure",   2, 2, EVAL);
     P_Provide (Intern ("struct.so"));
-    P_Provide (Intern ("struct.o"));
 }
diff --git a/lib/unix/unix.c b/lib/unix/unix.c
index fd26d3e..e73eaa8 100644
--- a/lib/unix/unix.c
+++ b/lib/unix/unix.c
@@ -65,5 +65,4 @@ void Check_Result_Vector(x, len) Object x; {
 
 elk_init_unix_unix() {
     P_Provide(Intern("unix.so"));
-    P_Provide(Intern("unix.o"));
 }
diff --git a/lib/xlib/xinit.c b/lib/xlib/xinit.c
index d25b7e7..5f61bba 100644
--- a/lib/xlib/xinit.c
+++ b/lib/xlib/xinit.c
@@ -58,7 +58,6 @@ elk_init_xlib_init () {
     Define_Primitive (P_Xlib_Release_6_Or_Laterp,
                         "xlib-release-6-or-later?",               0, 0, EVAL);
     P_Provide (Intern ("xlib.so"));
-    P_Provide (Intern ("xlib.o"));
 }
 
 #if defined(XLIB_RELEASE_5_OR_LATER) && (defined(sun) || defined(__sun__)) &&\
diff --git a/lib/xwidgets/xtinit.c b/lib/xwidgets/xtinit.c
index 456ed72..51fa874 100644
--- a/lib/xwidgets/xtinit.c
+++ b/lib/xwidgets/xtinit.c
@@ -74,5 +74,4 @@ elk_init_xt_init () {
         0, 0, EVAL);
     XtToolkitInitialize ();
     P_Provide (Intern ("xt.so"));
-    P_Provide (Intern ("xt.o"));
 }