diff --git a/src/components/ElementPopup.vue b/src/components/ElementPopup.vue
index cd3eee9..7baae2b 100644
--- a/src/components/ElementPopup.vue
+++ b/src/components/ElementPopup.vue
@@ -60,7 +60,7 @@
                 >
                   px
                 </button>
-                <button
+                <!-- <button
                   type="button"
                   :class="{ active: fontSize.unit === 'em' }"
                   :disabled="inheritanceLocked"
@@ -75,7 +75,7 @@
                   @click="updateFontSizeUnit('rem')"
                 >
                   rem
-                </button>
+                </button> -->
               </div>
             </div>
           </div>
diff --git a/src/components/PagePopup.vue b/src/components/PagePopup.vue
index 293bdab..8c78480 100644
--- a/src/components/PagePopup.vue
+++ b/src/components/PagePopup.vue
@@ -50,14 +50,14 @@
                   >
                     px
                   </button>
-                  <button
+                  <!-- <button
                     type="button"
                     :class="{ active: margins.top.unit === 'rem' }"
                     :disabled="inheritanceLocked"
                     @click="margins.top.unit = 'rem'"
                   >
                     rem
-                  </button>
+                  </button> -->
                 </div>
               </div>
             </div>
@@ -91,14 +91,14 @@
                   >
                     px
                   </button>
-                  <button
+                  <!-- <button
                     type="button"
                     :class="{ active: margins.bottom.unit === 'rem' }"
                     :disabled="inheritanceLocked"
                     @click="margins.bottom.unit = 'rem'"
                   >
                     rem
-                  </button>
+                  </button> -->
                 </div>
               </div>
             </div>
@@ -132,14 +132,14 @@
                   >
                     px
                   </button>
-                  <button
+                  <!-- <button
                     type="button"
                     :class="{ active: margins.left.unit === 'rem' }"
                     :disabled="inheritanceLocked"
                     @click="margins.left.unit = 'rem'"
                   >
                     rem
-                  </button>
+                  </button> -->
                 </div>
               </div>
             </div>
@@ -173,14 +173,14 @@
                   >
                     px
                   </button>
-                  <button
+                  <!-- <button
                     type="button"
                     :class="{ active: margins.right.unit === 'rem' }"
                     :disabled="inheritanceLocked"
                     @click="margins.right.unit = 'rem'"
                   >
                     rem
-                  </button>
+                  </button> -->
                 </div>
               </div>
             </div>
diff --git a/src/components/editor/PageSettings.vue b/src/components/editor/PageSettings.vue
index caefbc8..6a1c187 100644
--- a/src/components/editor/PageSettings.vue
+++ b/src/components/editor/PageSettings.vue
@@ -77,13 +77,13 @@
             >
               px
             </button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: margins.top.unit === 'rem' }"
               @click="updateMarginUnit('top', 'rem')"
             >
               rem
-            </button>
+            </button> -->
           </div>
         </div>
       </div>
@@ -118,13 +118,13 @@
             >
               px
             </button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: margins.bottom.unit === 'rem' }"
               @click="updateMarginUnit('bottom', 'rem')"
             >
               rem
-            </button>
+            </button> -->
           </div>
         </div>
       </div>
@@ -159,13 +159,13 @@
             >
               px
             </button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: margins.left.unit === 'rem' }"
               @click="updateMarginUnit('left', 'rem')"
             >
               rem
-            </button>
+            </button> -->
           </div>
         </div>
       </div>
@@ -200,13 +200,13 @@
             >
               px
             </button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: margins.right.unit === 'rem' }"
               @click="updateMarginUnit('right', 'rem')"
             >
               rem
-            </button>
+            </button> -->
           </div>
         </div>
       </div>
diff --git a/src/components/editor/TextSettings.vue b/src/components/editor/TextSettings.vue
index 92d4775..8df45ab 100644
--- a/src/components/editor/TextSettings.vue
+++ b/src/components/editor/TextSettings.vue
@@ -38,7 +38,7 @@
         <label for="text-size-range" class="label-with-tooltip" data-css="font-size">Taille du texte</label>
         <InputWithUnit
           v-model="fontSize"
-          :units="['px', 'em', 'rem']"
+          :units="['px']"
           :min="8"
           :max="72"
           showRange
@@ -129,11 +129,11 @@
               :class="{ active: marginOuterDetailed.top.unit === 'px' }"
               @click="updateMarginOuterUnit('px')"
             >px</button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: marginOuterDetailed.top.unit === 'rem' }"
               @click="updateMarginOuterUnit('rem')"
-            >rem</button>
+            >rem</button> -->
           </div>
         </div>
       </div>
@@ -159,11 +159,11 @@
               :class="{ active: marginOuterDetailed.bottom.unit === 'px' }"
               @click="updateMarginOuterUnit('px')"
             >px</button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: marginOuterDetailed.bottom.unit === 'rem' }"
               @click="updateMarginOuterUnit('rem')"
-            >rem</button>
+            >rem</button> -->
           </div>
         </div>
       </div>
@@ -189,11 +189,11 @@
               :class="{ active: marginOuterDetailed.left.unit === 'px' }"
               @click="updateMarginOuterUnit('px')"
             >px</button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: marginOuterDetailed.left.unit === 'rem' }"
               @click="updateMarginOuterUnit('rem')"
-            >rem</button>
+            >rem</button> -->
           </div>
         </div>
       </div>
@@ -219,11 +219,11 @@
               :class="{ active: marginOuterDetailed.right.unit === 'px' }"
               @click="updateMarginOuterUnit('px')"
             >px</button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: marginOuterDetailed.right.unit === 'rem' }"
               @click="updateMarginOuterUnit('rem')"
-            >rem</button>
+            >rem</button> -->
           </div>
         </div>
       </div>
@@ -266,11 +266,11 @@
               :class="{ active: marginInnerDetailed.top.unit === 'px' }"
               @click="updateMarginInnerUnit('px')"
             >px</button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: marginInnerDetailed.top.unit === 'rem' }"
               @click="updateMarginInnerUnit('rem')"
-            >rem</button>
+            >rem</button> -->
           </div>
         </div>
       </div>
@@ -296,11 +296,11 @@
               :class="{ active: marginInnerDetailed.bottom.unit === 'px' }"
               @click="updateMarginInnerUnit('px')"
             >px</button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: marginInnerDetailed.bottom.unit === 'rem' }"
               @click="updateMarginInnerUnit('rem')"
-            >rem</button>
+            >rem</button> -->
           </div>
         </div>
       </div>
@@ -326,11 +326,11 @@
               :class="{ active: marginInnerDetailed.left.unit === 'px' }"
               @click="updateMarginInnerUnit('px')"
             >px</button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: marginInnerDetailed.left.unit === 'rem' }"
               @click="updateMarginInnerUnit('rem')"
-            >rem</button>
+            >rem</button> -->
           </div>
         </div>
       </div>
@@ -356,11 +356,11 @@
               :class="{ active: marginInnerDetailed.right.unit === 'px' }"
               @click="updateMarginInnerUnit('px')"
             >px</button>
-            <button
+            <!-- <button
               type="button"
               :class="{ active: marginInnerDetailed.right.unit === 'rem' }"
               @click="updateMarginInnerUnit('rem')"
-            >rem</button>
+            >rem</button> -->
           </div>
         </div>
       </div>
@@ -675,7 +675,7 @@ const syncFromStore = () => {
   const fontWeight = extractValue('p', 'font-weight');
   if (fontWeight) weight.value = fontWeight;
 
-  const fontSizeVal = extractNumericValue('p', 'font-size', ['px', 'em', 'rem']);
+  const fontSizeVal = extractNumericValue('p', 'font-size', ['px']); // ['px', 'em', 'rem']
   if (fontSizeVal) fontSize.value = fontSizeVal;
 
   // Margins
diff --git a/src/composables/useCssSync.js b/src/composables/useCssSync.js
index 3588635..9f0b584 100644
--- a/src/composables/useCssSync.js
+++ b/src/composables/useCssSync.js
@@ -18,7 +18,7 @@ export function useCssSync() {
    * Extract a numeric CSS value with unit
    * Returns { value: number, unit: string } or null
    */
-  const extractNumericValue = (selector, property, allowedUnits = ['px', 'em', 'rem', 'mm']) => {
+  const extractNumericValue = (selector, property, allowedUnits = ['px', 'mm']) => { // ['px', 'em', 'rem', 'mm']
     const block = store.extractBlock(selector);
     if (!block) return null;
 
@@ -38,7 +38,7 @@ export function useCssSync() {
    * Extract margin/padding shorthand (handles 1 or 4 values)
    * Returns { simple: { value, unit } } or { detailed: { top, right, bottom, left } }
    */
-  const extractSpacing = (selector, property, allowedUnits = ['mm', 'px', 'rem']) => {
+  const extractSpacing = (selector, property, allowedUnits = ['mm', 'px']) => { // ['mm', 'px', 'rem']
     const block = store.extractBlock(selector);
     if (!block) return null;