diff --git a/filter/filter.c b/filter/filter.c
index 85721dbd..023f7e2f 100644
--- a/filter/filter.c
+++ b/filter/filter.c
@@ -641,10 +641,6 @@ interpret(struct f_inst *what)
   for ( ; what; what = what->next) {
   res.type = T_VOID;
   switch(what->fi_code) {
-  case FI_COMMA:
-    TWOARGS;
-    break;
-
 /* Binary operators */
   case FI_ADD:
     TWOARGS_C;
@@ -1541,8 +1537,7 @@ i_same(struct f_inst *f1, struct f_inst *f2)
     return 1;
 
   switch(f1->fi_code) {
-  case FI_COMMA: /* fall through */
-  case FI_ADD:
+  case FI_ADD: /* fall through */
   case FI_SUBTRACT:
   case FI_MULTIPLY:
   case FI_DIVIDE:
diff --git a/filter/filter.h b/filter/filter.h
index 09f96084..1d0f389e 100644
--- a/filter/filter.h
+++ b/filter/filter.h
@@ -18,7 +18,6 @@
 
 #define FI__TWOCHAR(a,b)	((a<<8) | b)
 #define FI__LIST \
-  F(FI_COMMA,			  0, ',') \
   F(FI_ADD,			  0, '+') \
   F(FI_SUBTRACT,		  0, '-') \
   F(FI_MULTIPLY,		  0, '*') \