diff --git a/src/xrt/include/xrt/xrt_prober.h b/src/xrt/include/xrt/xrt_prober.h
index 9b33f7f06..eb224e405 100644
--- a/src/xrt/include/xrt/xrt_prober.h
+++ b/src/xrt/include/xrt/xrt_prober.h
@@ -152,12 +152,6 @@ enum xrt_prober_string
 	XRT_PROBER_STRING_SERIAL_NUMBER,
 };
 
-const char *
-xrt_prober_string_to_string(enum xrt_prober_string t);
-
-const char *
-xrt_bus_type_to_string(enum xrt_bus_type t);
-
 /*!
  * A probed device, may or may not be opened.
  *
@@ -473,14 +467,6 @@ xrt_prober_destroy(struct xrt_prober **xp_ptr)
 int
 xrt_prober_create_with_lists(struct xrt_prober **out_xp, struct xrt_prober_entry_lists *list);
 
-/*!
- * @public @memberof xrt_prober
- */
-bool
-xrt_prober_match_string(struct xrt_prober *xp,
-                        struct xrt_prober_device *dev,
-                        enum xrt_prober_string type,
-                        const char *to_match);
 
 /*
  *
diff --git a/src/xrt/state_trackers/prober/p_prober.c b/src/xrt/state_trackers/prober/p_prober.c
index 590d50b6c..a39d04cfd 100644
--- a/src/xrt/state_trackers/prober/p_prober.c
+++ b/src/xrt/state_trackers/prober/p_prober.c
@@ -144,46 +144,6 @@ xrt_prober_create_with_lists(struct xrt_prober **out_xp, struct xrt_prober_entry
 	return 0;
 }
 
-#define ENUM_TO_STR(r)                                                                                                 \
-	case r: return #r
-
-const char *
-xrt_prober_string_to_string(enum xrt_prober_string t)
-{
-	switch (t) {
-		ENUM_TO_STR(XRT_PROBER_STRING_MANUFACTURER);
-		ENUM_TO_STR(XRT_PROBER_STRING_PRODUCT);
-		ENUM_TO_STR(XRT_PROBER_STRING_SERIAL_NUMBER);
-	}
-	return "";
-}
-
-const char *
-xrt_bus_type_to_string(enum xrt_bus_type t)
-{
-	switch (t) {
-		ENUM_TO_STR(XRT_BUS_TYPE_UNKNOWN);
-		ENUM_TO_STR(XRT_BUS_TYPE_USB);
-		ENUM_TO_STR(XRT_BUS_TYPE_BLUETOOTH);
-	}
-	return "";
-}
-
-bool
-xrt_prober_match_string(struct xrt_prober *xp,
-                        struct xrt_prober_device *dev,
-                        enum xrt_prober_string type,
-                        const char *to_match)
-{
-	unsigned char s[256] = {0};
-	int len = xrt_prober_get_string_descriptor(xp, dev, type, s, sizeof(s));
-	if (len <= 0) {
-		return false;
-	}
-
-	return 0 == strncmp(to_match, (const char *)s, sizeof(s));
-}
-
 int
 p_dev_get_usb_dev(struct prober *p,
                   uint16_t bus,