diff --git a/src/bro.bif b/src/bro.bif
index bc791d6858..3cac8c8da5 100644
--- a/src/bro.bif
+++ b/src/bro.bif
@@ -5683,12 +5683,6 @@ function match_signatures%(c: connection, pattern_type: int, s: string,
 #
 # ===========================================================================
 
-## Deprecated. Will be removed.
-function parse_dotted_addr%(s: string%): addr
-	%{
-	IPAddr a(s->CheckString());
-	return new AddrVal(a);
-	%}
 
 
 %%{
@@ -5788,75 +5782,3 @@ function anonymize_addr%(a: addr, cl: IPAddrAnonymizationClass%): addr
 		}
 	%}
 
-## Deprecated. Will be removed.
-function dump_config%(%) : bool
-	%{
-	return new Val(persistence_serializer->WriteConfig(true), TYPE_BOOL);
-	%}
-
-## Deprecated. Will be removed.
-function make_connection_persistent%(c: connection%) : any
-	%{
-	c->MakePersistent();
-	return 0;
-	%}
-
-%%{
-// Experimental code to add support for IDMEF XML output based on
-// notices.  For now, we're implementing it as a builtin you can call on an
-// notices record.
-
-#ifdef USE_IDMEF
-extern "C" {
-#include <libidmef/idmefxml.h>
-}
-#endif
-
-#include <sys/socket.h>
-
-char* port_to_string(PortVal* port)
-	{
-	char buf[256];	// to hold sprintf results on port numbers
-	snprintf(buf, sizeof(buf), "%u", port->Port());
-	return copy_string(buf);
-	}
-
-%%}
-
-## Deprecated. Will be removed.
-function generate_idmef%(src_ip: addr, src_port: port,
-				dst_ip: addr, dst_port: port%) : bool
-	%{
-#ifdef USE_IDMEF
-	xmlNodePtr message =
-		newIDMEF_Message(newAttribute("version","1.0"),
-			newAlert(newCreateTime(NULL),
-			newSource(
-				newNode(newAddress(
-					newAttribute("category","ipv4-addr"),
-					newSimpleElement("address",
-					copy_string(src_ip->AsAddr().AsString().c_str())),
-					NULL), NULL),
-				newService(
-					newSimpleElement("port",
-						port_to_string(src_port)),
-					NULL), NULL),
-			newTarget(
-				newNode(newAddress(
-					newAttribute("category","ipv4-addr"),
-					newSimpleElement("address",
-					copy_string(dst_ip->AsAddr().AsString().c_str())),
-					NULL), NULL),
-				newService(
-					newSimpleElement("port",
-						port_to_string(dst_port)),
-					NULL), NULL), NULL), NULL);
-
-	// if ( validateCurrentDoc() )
-	printCurrentMessage(stderr);
-	return new Val(1, TYPE_BOOL);
-#else
-	builtin_error("Bro was not configured for IDMEF support");
-	return new Val(0, TYPE_BOOL);
-#endif
-	%}
diff --git a/src/strings.bif b/src/strings.bif
index 22e29950ee..43dee25c1b 100644
--- a/src/strings.bif
+++ b/src/strings.bif
@@ -552,15 +552,6 @@ function split_n%(str: string, re: pattern,
 	return do_split(str, re, 0, incl_sep, max_num_sep);
 	%}
 
-## Deprecated. Will be removed.
-# Reason: the parameter ``other`` does nothing.
-function split_complete%(str: string,
-		re: pattern, other: string_set,
-		incl_sep: bool, max_num_sep: count%): string_array
-	%{
-	return do_split(str, re, other->AsTableVal(), incl_sep, max_num_sep);
-	%}
-
 ## Substitutes a given replacement string for the first occurrence of a pattern
 ## in a given string.
 ##