diff --git a/.github/workflows/ci_cd.yml b/.github/workflows/ci_cd.yml
index 8e741c2..1ba164f 100644
--- a/.github/workflows/ci_cd.yml
+++ b/.github/workflows/ci_cd.yml
@@ -137,7 +137,6 @@ jobs:
           sudo make fetch-modules
           cd ${{ vars.REPO_CLONE_PATH }}/backend/apps/ifc_validation/checks/ifc_gherkin_rules && git checkout -q ${{ vars.BRANCH_NAME }} && git pull
           cd ./ifc_validation_models && git checkout -q ${{ vars.BRANCH_NAME }} && git pull
-          cd ${{ vars.REPO_CLONE_PATH }}/backend/apps/ifc_validation/checks/step_file_parser && git checkout -q master && git pull
           cd ${{ vars.REPO_CLONE_PATH }}/backend/apps/ifc_validation_models && git checkout -q ${{ vars.BRANCH_NAME }} && git pull
           cd ${{ vars.REPO_CLONE_PATH }}
           ./check-submodules.sh
diff --git a/.gitmodules b/.gitmodules
index 4706ccf..ffa044a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,10 +2,6 @@
 	path = backend/apps/ifc_validation/checks/ifc_gherkin_rules
 	url = https://github.com/buildingSMART/ifc-gherkin-rules
 	branch = development
-[submodule "backend/apps/ifc_validation/checks/step_file_parser"]
-	path = backend/apps/ifc_validation/checks/step_file_parser
-	url = https://github.com/IfcOpenShell/step-file-parser
-	branch = master
 [submodule "backend/apps/ifc_validation_models"]
 	path = backend/apps/ifc_validation_models
 	url = https://github.com/buildingSMART/ifc-validation-data-model
diff --git a/README.md b/README.md
index d6587ad..2f11a0a 100644
--- a/README.md
+++ b/README.md
@@ -5,14 +5,13 @@
 
 # Application Structure
 
-The application consists of three main submodules, each hosted in separate GitHub repositories. Docker Compose is configured to automatically bind the correct submodule versions for local deployment.
+The application consists of two main submodules, each hosted in separate GitHub repositories. Docker Compose is configured to automatically bind the correct submodule versions for local deployment.
 
 ### Submodules
 
 Documentation of the seperate functionalities can be found within each submodule.
 
-1. **File Parser**: A module within IfcOpenShell, dedicated to parsing files. https://github.com/IfcOpenShell/step-file-parser
-2. **Gherkin Rules**: Contains the rules for validation. It can be run independently by cloning the repository and executing:
+1. **Gherkin Rules**: Contains the rules for validation. It can be run independently by cloning the repository and executing:
 https://github.com/buildingSMART/ifc-gherkin-rules
 
    ```
@@ -27,7 +26,7 @@ https://github.com/buildingSMART/ifc-gherkin-rules
    python test/test_main.py path_to_separate_file.py # For a separate file
    ``````
 
-3. **Shared DataModel**: This module includes Django data models shared between the main repository and the Gherkin repository, serving as a submodule for both.
+2. **Shared DataModel**: This module includes Django data models shared between the main repository and the Gherkin repository, serving as a submodule for both.
 https://github.com/buildingSMART/ifc-validation-data-model
 
 ## Running Validation Checks
diff --git a/backend/README.md b/backend/README.md
index d306a77..565ae00 100644
--- a/backend/README.md
+++ b/backend/README.md
@@ -5,7 +5,7 @@
 1. Syntax Validation
 
 ```shell
-python3 apps/ifc_validation/checks/step_file_parser/main.py --json filename 
+python3 -m ifcopenshell.simple_spf --json filename 
 ```
 
 2. Parse Info
diff --git a/backend/apps/ifc_validation/checks/step_file_parser b/backend/apps/ifc_validation/checks/step_file_parser
deleted file mode 160000
index 8a5349f..0000000
--- a/backend/apps/ifc_validation/checks/step_file_parser
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 8a5349f57eadcbc280f8578cf5f6a1c006189533