diff --git a/CHANGELOG.md b/CHANGELOG.md
index 14e9ff8c98..bbe664aa2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ The format is *loosely* based on [Keep a Changelog](https://keepachangelog.com/e
- *de.slisson.mps.tables* IllegalArgumentException thrown when copy-paste support is not defined for a table node (#1650).
- *de.slisson.mps.tables* Textgen warning about duplicate unit name when an editor model contains multiple tables without an action map.
- *de.itemis.mps.editor.pagination* A NullPointerException was fixed for cases where the clicked node was null.
+- *de.itemis.mps.spellcheck* Custom dictionaries are not saved in the .mps/dictionaries/project.xml files anymore and pollute the file that is normally used for words saved manually by the user.
## October 2025
diff --git a/code/.mps/dictionaries/project.xml b/code/.mps/dictionaries/project.xml
deleted file mode 100644
index 82914d616d..0000000000
--- a/code/.mps/dictionaries/project.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-
-
-
- blutil
- celllayout
- conceptswitch
- construx
- genify
- grammarcells
- hyperedges
- langcraft
- langextend
- langvis
- layouter
- layouting
- linenumbers
- mbeddr
- modelix
- modulize
- mouselistener
- mpsutil
- nativelibs
- nodeplex
- noderversioning
- plaintextgen
- polymorphicfunctions
- projectview
- projedit
- q60
- richtext
- shadowmodels
- slisson
- structurecheck
- syntaxify
- testutils
- treenotation
- typemorph
- virtualinterfaces
- visuform
- xmodelgen
-
-
-
\ No newline at end of file
diff --git a/code/solutions/de.itemis.mps.extensions.changelog/models/de.itemis.mps.extensions.changelog.mps b/code/solutions/de.itemis.mps.extensions.changelog/models/de.itemis.mps.extensions.changelog.mps
index 54db8caa41..f6af39bfcb 100644
--- a/code/solutions/de.itemis.mps.extensions.changelog/models/de.itemis.mps.extensions.changelog.mps
+++ b/code/solutions/de.itemis.mps.extensions.changelog/models/de.itemis.mps.extensions.changelog.mps
@@ -401,6 +401,92 @@
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diff --git a/code/spellcheck/languages/de.itemis.mps.spellcheck/generator/templates/de.itemis.mps.spellcheck.generator.templates@generator.mps b/code/spellcheck/languages/de.itemis.mps.spellcheck/generator/templates/de.itemis.mps.spellcheck.generator.templates@generator.mps
index ef6fbc7c2d..9b81aac4a2 100644
--- a/code/spellcheck/languages/de.itemis.mps.spellcheck/generator/templates/de.itemis.mps.spellcheck.generator.templates@generator.mps
+++ b/code/spellcheck/languages/de.itemis.mps.spellcheck/generator/templates/de.itemis.mps.spellcheck.generator.templates@generator.mps
@@ -6,6 +6,7 @@
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@@ -15,24 +16,54 @@
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