diff --git a/litedram/core/.keep_me b/litedram/core/.keep_me
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index 0000000..e69de29
diff --git a/litedram/frontend/.keep_me b/litedram/frontend/.keep_me
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index 0000000..e69de29
diff --git a/litedram/generic/.keep_me b/litedram/generic/.keep_me
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index 0000000..e69de29
diff --git a/litedram/phy/.keep_me b/litedram/phy/.keep_me
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index 0000000..e69de29
diff --git a/litedram/test/.keep_me b/litedram/test/.keep_me
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index 0000000..e69de29
diff --git a/targets/.keep_me b/targets/.keep_me
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index 0000000..e69de29
diff --git a/test/.keep_me b/test/.keep_me
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index 0000000..e69de29