diff --git a/collects/tests/mzscheme/rx.ss b/collects/tests/mzscheme/rx.ss
index 8778951251..62a32cf8b2 100644
--- a/collects/tests/mzscheme/rx.ss
+++ b/collects/tests/mzscheme/rx.ss
@@ -1658,8 +1658,6 @@
 ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 ;; Check that rx doesn't parse as px:
-(test '(#"") regexp-match #px#"\\$" #"a$b")
-(test '(#"$") regexp-match #rx#"\\$" #"a$b")
 (test '(#"aa" #"a") regexp-match #px#"(a)\\1" #"aa")
 (test '(#"a1" #"a") regexp-match #rx#"(a)\\1" #"a1")
 (test '(#"a") regexp-match #px#"\\w" #"aw")
diff --git a/src/mzscheme/src/regexp.c b/src/mzscheme/src/regexp.c
index 795efc0d09..593a9b1cd6 100644
--- a/src/mzscheme/src/regexp.c
+++ b/src/mzscheme/src/regexp.c
@@ -1263,11 +1263,7 @@ regatom(int *flagp, int parse_flags, int at_start)
       if (regparse == regparse_end)
 	FAIL("trailing backslash in pattern");
       c = regparsestr[regparse++];
-      if ((c == '$') && (parse_flags & PARSE_PCRE)) {
-	ret = regnode(NOTHING);
-	regmatchmin = regmatchmax = 0;
-	*flagp |= SIMPLE|SPNOTHING;
-      } else if ((parse_flags & PARSE_PCRE) && (c == 'b')) {
+      if ((parse_flags & PARSE_PCRE) && (c == 'b')) {
 	ret = regnode(WORDBOUND);
 	regmatchmin = regmatchmax = 0;
 	if (!regmaxlookback)