diff --git a/test/expected/halfvec_functions.out b/test/expected/halfvec_functions.out
index ddf8d1c..7957749 100644
--- a/test/expected/halfvec_functions.out
+++ b/test/expected/halfvec_functions.out
@@ -24,13 +24,13 @@ SELECT '[65519]'::halfvec * '[65519]';
 ERROR:  value out of range: overflow
 SELECT '[1e-7]'::halfvec * '[1e-7]';
 ERROR:  value out of range: underflow
-SELECT '[1,2,3]'::halfvec || '[4,5]'::halfvec;
+SELECT '[1,2,3]'::halfvec || '[4,5]';
   ?column?   
 -------------
  [1,2,3,4,5]
 (1 row)
 
-SELECT array_fill(0, ARRAY[16000])::halfvec || '[1]'::halfvec;
+SELECT array_fill(0, ARRAY[16000])::halfvec || '[1]';
 ERROR:  halfvec cannot have more than 16000 dimensions
 SELECT '[1,2,3]'::halfvec < '[1,2,3]';
  ?column? 
diff --git a/test/expected/vector_functions.out b/test/expected/vector_functions.out
index 71cd438..3dee33d 100644
--- a/test/expected/vector_functions.out
+++ b/test/expected/vector_functions.out
@@ -24,13 +24,13 @@ SELECT '[1e37]'::vector * '[1e37]';
 ERROR:  value out of range: overflow
 SELECT '[1e-37]'::vector * '[1e-37]';
 ERROR:  value out of range: underflow
-SELECT '[1,2,3]'::vector || '[4,5]'::vector;
+SELECT '[1,2,3]'::vector || '[4,5]';
   ?column?   
 -------------
  [1,2,3,4,5]
 (1 row)
 
-SELECT array_fill(0, ARRAY[16000])::vector || '[1]'::vector;
+SELECT array_fill(0, ARRAY[16000])::vector || '[1]';
 ERROR:  vector cannot have more than 16000 dimensions
 SELECT '[1,2,3]'::vector < '[1,2,3]';
  ?column? 
diff --git a/test/sql/halfvec_functions.sql b/test/sql/halfvec_functions.sql
index a20b083..4abe479 100644
--- a/test/sql/halfvec_functions.sql
+++ b/test/sql/halfvec_functions.sql
@@ -6,8 +6,8 @@ SELECT '[1,2,3]'::halfvec * '[4,5,6]';
 SELECT '[65519]'::halfvec * '[65519]';
 SELECT '[1e-7]'::halfvec * '[1e-7]';
 
-SELECT '[1,2,3]'::halfvec || '[4,5]'::halfvec;
-SELECT array_fill(0, ARRAY[16000])::halfvec || '[1]'::halfvec;
+SELECT '[1,2,3]'::halfvec || '[4,5]';
+SELECT array_fill(0, ARRAY[16000])::halfvec || '[1]';
 
 SELECT '[1,2,3]'::halfvec < '[1,2,3]';
 SELECT '[1,2,3]'::halfvec < '[1,2]';
diff --git a/test/sql/vector_functions.sql b/test/sql/vector_functions.sql
index 1a1fe5f..f80cdd5 100644
--- a/test/sql/vector_functions.sql
+++ b/test/sql/vector_functions.sql
@@ -6,8 +6,8 @@ SELECT '[1,2,3]'::vector * '[4,5,6]';
 SELECT '[1e37]'::vector * '[1e37]';
 SELECT '[1e-37]'::vector * '[1e-37]';
 
-SELECT '[1,2,3]'::vector || '[4,5]'::vector;
-SELECT array_fill(0, ARRAY[16000])::vector || '[1]'::vector;
+SELECT '[1,2,3]'::vector || '[4,5]';
+SELECT array_fill(0, ARRAY[16000])::vector || '[1]';
 
 SELECT '[1,2,3]'::vector < '[1,2,3]';
 SELECT '[1,2,3]'::vector < '[1,2]';