diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c
index f2898fee5fc..6f753ab6d7a 100644
--- a/src/backend/commands/indexcmds.c
+++ b/src/backend/commands/indexcmds.c
@@ -2469,8 +2469,8 @@ GetOperatorFromCompareType(Oid opclass, Oid rhstype, CompareType cmptype,
 					cmptype == COMPARE_EQ ? errmsg("could not identify an equality operator for type %s", format_type_be(opcintype)) :
 					cmptype == COMPARE_OVERLAP ? errmsg("could not identify an overlaps operator for type %s", format_type_be(opcintype)) :
 					cmptype == COMPARE_CONTAINED_BY ? errmsg("could not identify a contained-by operator for type %s", format_type_be(opcintype)) : 0,
-					errdetail("Could not translate compare type %d for operator family \"%s\", input type %s, access method \"%s\".",
-							  cmptype, get_opfamily_name(opfamily, false), format_type_be(opcintype), get_am_name(amid)));
+					errdetail("Could not translate compare type %d for operator family \"%s\" of access method \"%s\".",
+							  cmptype, get_opfamily_name(opfamily, false), get_am_name(amid)));
 
 		/*
 		 * We parameterize rhstype so foreign keys can ask for a <@ operator
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 1c3ad74e7b9..e2b94c8c609 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -10330,8 +10330,8 @@ ATAddForeignKeyConstraint(List **wqueue, AlteredTableInfo *tab, Relation rel,
 					for_overlaps
 					? errmsg("could not identify an overlaps operator for foreign key")
 					: errmsg("could not identify an equality operator for foreign key"),
-					errdetail("Could not translate compare type %d for operator family \"%s\", input type %s, access method \"%s\".",
-							  cmptype, get_opfamily_name(opfamily, false), format_type_be(opcintype), get_am_name(amid)));
+					errdetail("Could not translate compare type %d for operator family \"%s\" of access method \"%s\".",
+							  cmptype, get_opfamily_name(opfamily, false), get_am_name(amid)));
 
 		/*
 		 * There had better be a primary equality operator for the index.