diff --git a/source/operand.cpp b/source/operand.cpp
index 39d17a6..00782cd 100644
--- a/source/operand.cpp
+++ b/source/operand.cpp
@@ -503,9 +503,6 @@
     case SpvOpTypeForwardPointer:
       out = [](unsigned index) { return index == 0; };
       break;
-    case SpvOpTypeArray:
-      out = [](unsigned index) { return index == 1; };
-      break;
     default:
       out = [](unsigned) { return false; };
       break;
diff --git a/test/val/val_id_test.cpp b/test/val/val_id_test.cpp
index 019d91a..f3240fb 100644
--- a/test/val/val_id_test.cpp
+++ b/test/val/val_id_test.cpp
@@ -6572,6 +6572,25 @@
           "Operand 3[%_ptr_Uniform__struct_2] requires a previous definition"));
 }
 
+TEST_F(ValidateIdWithMessage, ArrayTypeForwardReference) {
+  const std::string spirv = R"(
+OpCapability Linkage
+OpCapability MinLod
+OpCapability GenericPointer
+OpMemoryModel Logical Simple
+OpName %_ptr_Input__arr_9_uint_7 "ptr"
+%uint = OpTypeInt 32 0
+%uint_7 = OpConstant %uint 7
+%_arr_9_uint_7 = OpTypeArray %_ptr_Input__arr_9_uint_7 %uint_7
+%_ptr_Input__arr_9_uint_7 = OpTypePointer Input %_arr_9_uint_7
+)";
+
+  CompileSuccessfully(spirv);
+  EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
+  EXPECT_THAT(getDiagnosticString(),
+              HasSubstr("ID 1[%ptr] has not been defined"));
+}
+
 }  // namespace
 }  // namespace val
 }  // namespace spvtools