diff --git a/_data/WP280-bibliography.tsv b/_data/WP280-bibliography.tsv
deleted file mode 100644
index 97167462a..000000000
--- a/_data/WP280-bibliography.tsv
+++ /dev/null
@@ -1 +0,0 @@
-ID	Database	Citation
diff --git a/_data/WP280-datanodes.tsv b/_data/WP280-datanodes.tsv
deleted file mode 100644
index 0bcaf40f8..000000000
--- a/_data/WP280-datanodes.tsv
+++ /dev/null
@@ -1,13 +0,0 @@
-Label	Type	Identifier	Comment	Ensembl	NCBI gene	HGNC	UniProt	Wikidata	ChEBI	InChI	PubChem	ChemSpider	HMDB	KEGG	LipidMaps
-acetyl-CoA	Metabolite	cas:72-89-9	""					wikidata:Q715317	chebi:15351	inchikey:ZSLZBFCDCINBPY-ZSJPKINUSA-N	pubchem.compound:444493	chemspider:392413	hmdb:HMDB0001206	kegg.compound:C00024	lipidmaps:LMFA07050281
-Coenzyme A	Metabolite	cas:64885-97-8	""					wikidata:Q412727	chebi:16848	inchikey:XXFFZHQKSZLLIT-NALJQGANSA-N	pubchem.compound:123996	chemspider:110515		kegg.compound:C00876	
-acetylphosphate	Metabolite	cas:590-54-5	""					wikidata:Q15495451	chebi:15350	inchikey:LIPOUNRJVLNBCD-UHFFFAOYSA-N	pubchem.compound:186	chemspider:181	hmdb:HMDB0001494	kegg.compound:C00227	
-phosphate	Metabolite	cas:14265-44-2	""					wikidata:Q177811	chebi:26078;chebi:18367	inchikey:NBIIXXVUZAFLBC-UHFFFAOYSA-K;inchikey:NBIIXXVUZAFLBC-UHFFFAOYSA-N	pubchem.compound:1004;pubchem.compound:1061	chemspider:979;chemspider:1032	hmdb:HMDB0001429	kegg.compound:C00009	
-10-formyl-THF	Metabolite	cas:2800-34-2	""					wikidata:Q47459238	chebi:15637	inchikey:AUFGTPPARQZWDO-YUZLPWPTSA-N	pubchem.compound:122347;pubchem.compound:135450591	chemspider:109092	hmdb:HMDB0000972	kegg.compound:C00234	
-5,10-methylene-THF	Metabolite	cas:31690-11-6	""					wikidata:Q26995704	chebi:1989;chebi:15636	inchikey:QYNUQALWYRSVHF-PZORYLMUSA-N;inchikey:QYNUQALWYRSVHF-OLZOCXBDSA-N	pubchem.compound:439175;pubchem.compound:163026560;pubchem.compound:445117;pubchem.compound:135398645;pubchem.compound:163026559	chemspider:388320;chemspider:392851	hmdb:HMDB0001533	kegg.compound:C00143	
-5-methyl-THF	Metabolite	cas:134-35-0	""					wikidata:Q27290485	chebi:15641	inchikey:ZNOVTXRBGFNYRX-ZGTCLIOFSA-N;inchikey:ZNOVTXRBGFNYRX-ABLWVSNPSA-N	pubchem.compound:439234;pubchem.compound:9825434;pubchem.compound:135415868	chemspider:388371;chemspider:8001181	hmdb:HMDB0001396	kegg.compound:C00440	
-NADPH	Metabolite	cas:53-57-6	""					wikidata:Q26841327	chebi:16474	inchikey:ACFIXJIJDZMPPO-NNYOXOHSSA-N	pubchem.compound:5884	chemspider:5673	hmdb:HMDB0000221	kegg.compound:C00005	
-ATP	Metabolite	cas:1927-31-7	""					wikidata:Q201090	chebi:16284	inchikey:SUYVUBYJARFZHO-RRKCRQDMSA-N	pubchem.compound:15993	chemspider:15194	hmdb:HMDB0001532	kegg.compound:C00131	
-ADP	Metabolite	cas:58-64-0	""					wikidata:Q185253	chebi:16761	inchikey:XTWYTFMLZFPYCI-KQYNXXCUSA-N	pubchem.compound:6022	chemspider:5800	hmdb:HMDB0001341	kegg.compound:C00008	
-MIS1	GeneProduct	sgd:S000000288	""	ensembl:YBR084W	ncbigene:852378		uniprot:P09440								
-ADE3	GeneProduct	sgd:S000003436	""	ensembl:YGR204W	ncbigene:853118		uniprot:P07245								
diff --git a/_pathways/WP280.md b/_pathways/WP280.md
deleted file mode 100644
index 247ddada2..000000000
--- a/_pathways/WP280.md
+++ /dev/null
@@ -1,48 +0,0 @@
----
-annotations:
-- id: PW:0000002
-  parent: classic metabolic pathway
-  type: Pathway Ontology
-  value: classic metabolic pathway
-authors:
-- J.Heckman
-- MaintBot
-- Egonw
-- Mkutmon
-- Ariutta
-description: ''
-last-edited: 2016-09-27
-organisms:
-- Saccharomyces cerevisiae
-redirect_from:
-- /index.php/Pathway:WP280
-- /instance/WP280
-- /instance/WP280_r89704
-revision: r89704
-schema-jsonld:
-- '@context': https://schema.org/
-  '@id': https://wikipathways.github.io/pathways/WP280.html
-  '@type': Dataset
-  creator:
-    '@type': Organization
-    name: WikiPathways
-  description: ''
-  keywords:
-  - 10-formyl-THF
-  - 5,10-methylene-THF
-  - 5-methyl-THF
-  - ADE3
-  - ADP
-  - ATP
-  - Coenzyme A
-  - MIS1
-  - NADPH
-  - acetyl-CoA
-  - acetylphosphate
-  - phosphate
-  license: CC0
-  name: Carbon monoxide dehydrogenase pathway
-seo: CreativeWork
-title: Carbon monoxide dehydrogenase pathway
-wpid: WP280
----
\ No newline at end of file
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deleted file mode 100644
index 91c44ba5b..000000000
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