diff --git a/package-lock.json b/package-lock.json
index 03b3a73c..fc48fb1a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,6 @@
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         "bootstrap": "^5.1.3",
         "cookieconsent": "^3.1.1",
-        "datejs": "0.0.2",
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         "jquery": "^3.5.1",
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@@ -2283,6 +2283,7 @@
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@@ -2639,7 +2640,8 @@
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-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
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@@ -2850,14 +2841,6 @@
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-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
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@@ -3568,6 +3544,7 @@
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@@ -4298,6 +4275,7 @@
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       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
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@@ -4306,7 +4284,8 @@
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+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+      "dev": true
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@@ -5125,6 +5104,7 @@
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@@ -5535,6 +5515,7 @@
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       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
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@@ -5656,6 +5637,7 @@
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       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true,
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@@ -7566,19 +7548,6 @@
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-      "resolved": "https://registry.npmjs.org/vows/-/vows-0.8.3.tgz",
-      "integrity": "sha512-PVIxa/ovXhrw5gA3mz6M+ZF3PHlqX4tutR2p/y9NWPAaFVKcWBE8b2ktfr0opQM/qFmcOVWKjSCJVjnYOvjXhw==",
-      "dependencies": {
-        "diff": "^4.0.1",
-        "eyes": "~0.1.6",
-        "glob": "^7.1.2"
-      },
-      "bin": {
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       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -7634,7 +7603,8 @@
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       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
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     "node_modules/xtend": {
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@@ -9210,7 +9180,8 @@
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       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
-      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
+      "dev": true
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@@ -9299,6 +9270,7 @@
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+      "dev": true,
       "requires": {
         "balanced-match": "^1.0.0",
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@@ -9589,7 +9561,8 @@
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       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
     },
     "concat-stream": {
       "version": "1.6.2",
@@ -9667,14 +9640,6 @@
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-    "datejs": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/datejs/-/datejs-0.0.2.tgz",
-      "integrity": "sha1-JCzy4cczjZUCpa5Blv1p4jQhH0o=",
-      "requires": {
-        "vows": ">=0.5.2"
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@@ -9751,11 +9716,6 @@
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       "dev": true
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-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
-      "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A=="
-    },
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       "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
@@ -10019,11 +9979,6 @@
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-    "eyes": {
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-      "resolved": "https://registry.npmjs.org/eyes/-/eyes-0.1.8.tgz",
-      "integrity": "sha1-Ys8SAjTGg3hdkCNIqADvPgzCC8A="
-    },
     "fancy-log": {
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       "resolved": "https://registry.npmjs.org/fancy-log/-/fancy-log-1.3.3.tgz",
@@ -10289,7 +10244,8 @@
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       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
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@@ -10347,6 +10303,7 @@
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+      "dev": true,
       "requires": {
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         "inflight": "^1.0.4",
@@ -10910,6 +10867,7 @@
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       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
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         "once": "^1.3.0",
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@@ -10918,7 +10876,8 @@
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+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+      "dev": true
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@@ -11565,6 +11524,7 @@
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       "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
       "requires": {
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       }
@@ -11887,6 +11847,7 @@
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       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
       "requires": {
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@@ -11980,7 +11941,8 @@
     "path-is-absolute": {
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       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
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     "path-parse": {
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@@ -13489,16 +13451,6 @@
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-      "resolved": "https://registry.npmjs.org/vows/-/vows-0.8.3.tgz",
-      "integrity": "sha512-PVIxa/ovXhrw5gA3mz6M+ZF3PHlqX4tutR2p/y9NWPAaFVKcWBE8b2ktfr0opQM/qFmcOVWKjSCJVjnYOvjXhw==",
-      "requires": {
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-        "eyes": "~0.1.6",
-        "glob": "^7.1.2"
-      }
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       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -13544,7 +13496,8 @@
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       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
     },
     "xtend": {
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diff --git a/package.json b/package.json
index 7ed6923e..795fee0e 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,6 @@
     "@popperjs/core": "^2.10.2",
     "bootstrap": "^5.1.3",
     "cookieconsent": "^3.1.1",
-    "datejs": "0.0.2",
     "fullcalendar": "^3.10.4",
     "jquery": "^3.5.1",
     "jquery-jeditable": "^2.0.19",