diff --git a/lib/pure/strformat.nim b/lib/pure/strformat.nim
index e12ca3c896..19fbf8ab30 100644
--- a/lib/pure/strformat.nim
+++ b/lib/pure/strformat.nim
@@ -513,14 +513,6 @@ template formatValue(result: var string; value: char; specifier: string) =
 template formatValue(result: var string; value: cstring; specifier: string) =
   result.add value
 
-proc formatValue(result: var string; value: (array|seq|openArray); specifier: string) =
-  result.add "["
-  for i, it in value:
-    if i != 0:
-      result.add ", "
-    result.formatValue(it, specifier)
-  result.add "]"
-
 macro `&`*(pattern: string): untyped =
   ## For a specification of the ``&`` macro, see the module level documentation.
   if pattern.kind notin {nnkStrLit..nnkTripleStrLit}:
diff --git a/tests/stdlib/tstrformat.nim b/tests/stdlib/tstrformat.nim
index 86125ca00f..ec74323d32 100644
--- a/tests/stdlib/tstrformat.nim
+++ b/tests/stdlib/tstrformat.nim
@@ -65,6 +65,14 @@ doAssert fmt"{0.0: g}" == " 0"
 let data1 = [1'i64, 10000'i64, 10000000'i64]
 let data2 = [10000000'i64, 100'i64, 1'i64]
 
+proc formatValue(result: var string; value: (array|seq|openArray); specifier: string) =
+  result.add "["
+  for i, it in value:
+    if i != 0:
+      result.add ", "
+    result.formatValue(it, specifier)
+  result.add "]"
+
 doAssert fmt"data1: {data1:8} #" == "data1: [       1,    10000, 10000000] #"
 doAssert fmt"data2: {data2:8} =" == "data2: [10000000,      100,        1] ="