diff --git a/map/martin/sprites/navigatum/s-bahn.svg b/map/martin/sprites/navigatum/s-bahn.svg
index c98ff5e15..1eef72ea4 100644
--- a/map/martin/sprites/navigatum/s-bahn.svg
+++ b/map/martin/sprites/navigatum/s-bahn.svg
@@ -1,41 +1,3 @@
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-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:svg="http://www.w3.org/2000/svg">
-  <defs
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-  <sodipodi:namedview
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-     pagecolor="#ffffff"
-     bordercolor="#000000"
-     borderopacity="0.25"
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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">
+  <path fill-rule="evenodd" d="M7.5 0a7.5 7.5 0 1 0.0 15.0A7.5 7.5 0 0 0 7.5 0Zm-.22 1.63c1.7 0 3.21.55 4.42 1.49v1.97a6.21 6.21 0 0 0-4.46-2.12c-1.04 0-1.64.55-1.64 1.2 0 2.75 6.82.82 6.82 5.32 0 1.82-1.76 3.94-4.73 3.94a7.57 7.57 0 0 1-4.61-1.68V9.39a5.9 5.9 0 0 0 4.6 2.52c1.12 0 2.02-.64 2.02-1.32 0-2.56-6.72-.98-6.72-5.4 0-2.31 2.27-3.56 4.3-3.56z" clip-rule="evenodd"/>
+</svg>
\ No newline at end of file
diff --git a/map/martin/sprites/navigatum/u-bahn.svg b/map/martin/sprites/navigatum/u-bahn.svg
index 1c3c4e14e..a4a07fe3b 100644
--- a/map/martin/sprites/navigatum/u-bahn.svg
+++ b/map/martin/sprites/navigatum/u-bahn.svg
@@ -1,38 +1,3 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
-   viewBox="0 0 500 500"
-   version="1.1"
-   id="svg1"
-   sodipodi:docname="U-Bahn.svg"
-   inkscape:version="1.4 (e7c3feb1, 2024-10-09)"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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-   xmlns:svg="http://www.w3.org/2000/svg">
-  <defs
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-  <sodipodi:namedview
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-     pagecolor="#ffffff"
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-     borderopacity="0.25"
-     inkscape:showpageshadow="2"
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-     inkscape:pagecheckerboard="0"
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-</svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">
+  <path d="M0 0v15h15V0Zm2.45 1.18h2.96v7.84c0 1.43.5 2.45 2.08 2.45 1.55 0 2.06-1.02 2.06-2.45V1.18h3v8.13c0 3.4-2.79 4.65-5.07 4.65-2.29 0-5.03-1.25-5.03-4.65z"/>
+</svg>
\ No newline at end of file