diff --git a/changelog.md b/changelog.md
index c4341538..cff962b4 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,11 @@
+TBD
+==============
+
+Internal
+--------
+* Remove `align_decimals` preprocessor, which had no effect.
+
+
 1.48.0 (2026/01/27)
 ==============
 
diff --git a/mycli/main.py b/mycli/main.py
index fadffc19..90aaf2a3 100755
--- a/mycli/main.py
+++ b/mycli/main.py
@@ -1409,10 +1409,7 @@ def format_output(
 
         if use_formatter.format_name not in sql_format.supported_formats:
             # will run before preprocessors defined as part of the format in cli_helpers
-            output_kwargs["preprocessors"] = (
-                preprocessors.convert_to_undecoded_string,
-                preprocessors.align_decimals,
-            )
+            output_kwargs["preprocessors"] = (preprocessors.convert_to_undecoded_string,)
 
         if title:  # Only print the title if it's not None.
             output = itertools.chain(output, [title])